{"title":"Heavy Duty Replacement Parts","description":"","products":[{"product_id":"hendrickson-s-28929-heavy-duty-air-spring","title":"Hendrickson S-28929 | Heavy-Duty Air Spring","description":"\u003ch2\u003eHendrickson S-28929 Heavy-Duty Air Spring for Commercial Trailer Air Suspensions\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eHendrickson S-28929 Heavy-Duty Air Spring\u003c\/strong\u003e is a genuine OEM replacement air suspension spring engineered specifically for Hendrickson trailer suspension systems. Designed to restore proper ride height, suspension performance, and load support, the S-28929 delivers exceptional durability and ride quality for commercial trailers operating in demanding highway and vocational applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured and validated by Hendrickson, this premium air spring utilizes a low-frequency design that improves ride quality while helping reduce vibration, suspension wear, and maintenance costs. Built with premium rubber compounds and engineered piston technology, the S-28929 provides long-lasting performance for fleets, owner-operators, and trailer repair facilities.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe Hendrickson S-28929 is commonly used on \u003cstrong\u003eVANTRAAX® HKANT 40K trailer suspension systems manufactured after January 2008.\u003c\/strong\u003e Always verify your suspension model before ordering.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Hendrickson OEM air spring\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Hendrickson trailer suspensions\u003c\/li\u003e\n\u003cli\u003eRestores proper ride height and suspension performance\u003c\/li\u003e\n\u003cli\u003ePremium heavy-duty rubber construction\u003c\/li\u003e\n\u003cli\u003eLow-frequency design improves ride quality\u003c\/li\u003e\n\u003cli\u003eExcellent resistance to harsh road conditions\u003c\/li\u003e\n\u003cli\u003eOEM fit, function, and reliability\u003c\/li\u003e\n\u003cli\u003eIdeal for commercial fleets and owner-operators\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hendrickson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e S-28929\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heavy-Duty Air Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuspension Type:\u003c\/strong\u003e Trailer Air Suspension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVerified Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eHendrickson VANTRAAX® HKANT 40K Trailer Suspension (January 2008 and newer)\u003c\/li\u003e\n\u003cli\u003eCommercial Dry Van Trailers\u003c\/li\u003e\n\u003cli\u003eRefrigerated Trailers\u003c\/li\u003e\n\u003cli\u003eFlatbed Trailers\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Air Ride Trailer Suspensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Hendrickson advises that the newer S-28929 air spring should \u003cstrong\u003enot\u003c\/strong\u003e be mixed with the earlier S-22948 design on the same suspension. Replace both air springs together when converting from the older design. This helps maintain proper suspension performance and prevents premature wear.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eVerified Cross Reference Part Numbers\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eHendrickson C-28929\u003c\/li\u003e\n\u003cli\u003eHendrickson S-28929-48\u003c\/li\u003e\n\u003cli\u003eFirestone W01-358-9978\u003c\/li\u003e\n\u003cli\u003eFirestone 1T15M-4\u003c\/li\u003e\n\u003cli\u003eContiTech AS9978\u003c\/li\u003e\n\u003cli\u003eContiTech 67588\u003c\/li\u003e\n\u003cli\u003eGoodyear 1R12-668\u003c\/li\u003e\n\u003cli\u003eGoodyear 1R12-1179\u003c\/li\u003e\n\u003cli\u003eMeritor FS9978\u003c\/li\u003e\n\u003cli\u003eWorld American WA01-9978C\u003c\/li\u003e\n\u003cli\u003eAutomann MHSK485\u003c\/li\u003e\n\u003cli\u003eTriangle AS8959\u003c\/li\u003e\n\u003cli\u003eTorque TR9978\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eAlways verify your VIN, suspension model, or existing air spring before ordering to ensure proper fitment.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Restores factory ride quality\u003c\/li\u003e\n\u003cli\u003e✔ Reduces vibration and road shock\u003c\/li\u003e\n\u003cli\u003e✔ Supports proper trailer ride height\u003c\/li\u003e\n\u003cli\u003e✔ Improves suspension stability\u003c\/li\u003e\n\u003cli\u003e✔ Helps extend suspension component life\u003c\/li\u003e\n\u003cli\u003e✔ OEM-engineered for maximum durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Genuine Hendrickson Air Springs?\u003c\/h3\u003e\n\n\u003cp\u003e\nHendrickson engineers its air springs as part of a complete suspension system—not as universal replacements. Genuine Hendrickson air springs are designed, tested, and validated to deliver the correct spring rate, ride height, and durability for your specific suspension, helping maximize uptime and reduce long-term maintenance costs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔧 Complete Your Suspension Service\u003c\/h3\u003e\n\n\u003cp\u003eRestore your trailer suspension with premium replacement components for maximum reliability and ride quality.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e✔ Shock Absorbers\u003c\/li\u003e\n\u003cli\u003e✔ Height Control Valves\u003c\/li\u003e\n\u003cli\u003e✔ Suspension Bushings\u003c\/li\u003e\n\u003cli\u003e✔ Torque Rods\u003c\/li\u003e\n\u003cli\u003e✔ Air Brake Components\u003c\/li\u003e\n\u003cli\u003e✔ Wheel Bearings \u0026amp; Seals\u003c\/li\u003e\n\u003cli\u003e✔ Preventive Maintenance Supplies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ ATRO Suspension Bushings\u003c\/li\u003e\n\u003cli\u003e✔ ContiTech Air Springs\u003c\/li\u003e\n\u003cli\u003e✔ Shock Absorbers\u003c\/li\u003e\n\u003cli\u003e✔ Air Brake Parts\u003c\/li\u003e\n\u003cli\u003e✔ Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Hub Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKeep your trailer operating at peak performance with premium suspension and wheel-end components trusted by commercial fleets and professional technicians.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hendrickson","offers":[{"title":"Default Title","offer_id":44890961248301,"sku":"S-28929","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/hendrickson-s-28929-air-spring-heavy-duty-suspension-bagair-springshendricksonperformance-diesel-groups-28929-8895702.jpg?v=1782860889"},{"product_id":"rev-hd-r1-s01-steer-axle-wheel-seal-12k","title":"REV HD R1-S01 Steer Axle Wheel Seal | 12K Axle","description":"\u003ch2\u003eREV HD R1-S01 Severe Duty Steer Axle Wheel Seal | 12,000 lb Axles\u003c\/h2\u003e\n\u003cp\u003eThe REV HD R1-S01 REV-1 Severe Duty Wheel Seal is a premium steer axle seal engineered for heavy-duty trucks equipped with 12,000 lb steer axles. Designed to prevent lubricant loss while keeping water, dirt, and road contaminants out of the wheel end, the R1-S01 helps maximize bearing life and reduce costly wheel end failures.\u003c\/p\u003e\n\u003cp\u003eFeaturing REV HD's innovative Flex Seal™ design, the R1-S01 installs easier than conventional wheel seals while reducing the chance of cocked seal installation. Its heavy-duty construction, wider sealing surface, and multiple internal sealing lips provide superior sealing performance for both oil and grease lubricated hubs.\u003c\/p\u003e\n\u003cp\u003eTrusted by fleets, owner-operators, and heavy-duty repair shops across North America, the REV HD R1-S01 is built to withstand the demanding conditions of commercial trucking, severe-duty applications, and off-road environments. :contentReference[oaicite:0]{index=0}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium REV HD REV-1 Severe Duty wheel seal\u003c\/li\u003e\n\u003cli\u003eDesigned for 12,000 lb steer axles\u003c\/li\u003e\n\u003cli\u003eCompatible with oil and grease lubricated hubs\u003c\/li\u003e\n\u003cli\u003eFlex Seal™ design helps prevent cocked installation\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steel case construction\u003c\/li\u003e\n\u003cli\u003eMultiple internal sealing lips for superior protection\u003c\/li\u003e\n\u003cli\u003eWide sealing surface improves sealing performance\u003c\/li\u003e\n\u003cli\u003eExcellent protection against dirt, water and road contaminants\u003c\/li\u003e\n\u003cli\u003eIncludes Seal Extend installation lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REV HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e R1-S01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e REV-1 Severe Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Steer Axle Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 12,000 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Outside Diameter:\u003c\/strong\u003e 4.840\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inside Diameter:\u003c\/strong\u003e 3.500\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lubricants:\u003c\/strong\u003e Oil or Grease\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 35058\u003c\/li\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 35059\u003c\/li\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 35066\u003c\/li\u003e\n\u003cli\u003eSKF 35103\u003c\/li\u003e\n\u003cli\u003eNational 370001A\u003c\/li\u003e\n\u003cli\u003eNational 380001A\u003c\/li\u003e\n\u003cli\u003eStemco 308-0836\u003c\/li\u003e\n\u003cli\u003eStemco 382-8036\u003c\/li\u003e\n\u003cli\u003eStemco 383-0136\u003c\/li\u003e\n\u003cli\u003eStemco 383-0236\u003c\/li\u003e\n\u003cli\u003eConMet 10045885\u003c\/li\u003e\n\u003cli\u003eMeritor MER0136\u003c\/li\u003e\n\u003cli\u003eMeritor MER0236\u003c\/li\u003e\n\u003cli\u003eTimken 370001A\u003c\/li\u003e\n\u003cli\u003eTruckPro RHR1-S01\u003c\/li\u003e\n\u003cli\u003eTMC 65263U\u003c\/li\u003e\n\u003cli\u003eREV HD R1-S01\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Columbia\u003c\/li\u003e\n\u003cli\u003eFreightliner FLD120\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth T800\u003c\/li\u003e\n\u003cli\u003eKenworth W900\u003c\/li\u003e\n\u003cli\u003ePeterbilt 379\u003c\/li\u003e\n\u003cli\u003ePeterbilt 389\u003c\/li\u003e\n\u003cli\u003eVolvo VNL Series\u003c\/li\u003e\n\u003cli\u003eMack CH \u0026amp; CX Series\u003c\/li\u003e\n\u003cli\u003eWestern Star 4900\u003c\/li\u003e\n\u003cli\u003eClass 6–8 Trucks with 12K Steer Axles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Replace Your Wheel Seal?\u003c\/h3\u003e\n\u003cp\u003eA leaking wheel seal allows lubricant to escape while permitting dirt and moisture to enter the hub assembly. This can lead to premature wheel bearing failure, overheated hubs, contaminated brake components, and expensive roadside repairs. Replacing worn seals during brake or wheel bearing service helps maintain proper lubrication and extends wheel end service life. :contentReference[oaicite:1]{index=1}\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #f8f8f8; padding: 25px; border-left: 4px solid #ff6a00; margin: 25px 0;\"\u003e\n\u003ch3\u003e🔥Complete Your Wheel End Service\u003c\/h3\u003e\n\u003cp\u003eFor maximum reliability, replace wheel bearings, hub caps, spindle nuts, hub oil, and wheel seals together during wheel end service. Preventive maintenance helps reduce downtime, extend bearing life, and avoid expensive roadside failures.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Severe-Duty Construction\u003c\/li\u003e\n\u003cli\u003e✔ Oil \u0026amp; Grease Hub Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Flex Seal™ Installation Design\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Commercial Truck Applications\u003c\/li\u003e\n\u003cli\u003e✔ Premium Wheel End Protection\u003c\/li\u003e\n\u003cli\u003e✔ Fleet Proven Performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #fff7ef; padding: 20px; border: 1px solid #ffb366; border-radius: 8px; margin-top: 20px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Wheel Bearing Sets\u003c\/li\u003e\n\u003cli\u003e✔ Hub Oil\u003c\/li\u003e\n\u003cli\u003e✔ Hub Caps\u003c\/li\u003e\n\u003cli\u003e✔ Spindle Nut Kits\u003c\/li\u003e\n\u003cli\u003e✔ Brake Drums \u0026amp; Rotors\u003c\/li\u003e\n\u003cli\u003e✔ Complete Wheel End Service Kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your wheel end service with premium bearings, seals, hub oil, and spindle hardware to maximize uptime and reduce maintenance costs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"RevHD","offers":[{"title":"Default Title","offer_id":67018937794605,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/RNG_R1-T04_Front_Asset_1.jpg?v=1789965736"},{"product_id":"rev-hd-r1-d02-drive-axle-wheel-seal","title":"REV HD R1-D02 Drive Axle Wheel Seal | Eaton \u0026 Meritor","description":"\u003ch2\u003eREV HD R1-D02 Severe Duty Drive Axle Wheel Seal | Eaton \u0026amp; Meritor Axles\u003c\/h2\u003e\n\u003cp\u003eThe REV HD R1-D02 REV-1 Drive Axle Wheel Seal is a premium severe-duty wheel end seal engineered for heavy-duty commercial trucks equipped with Eaton® and Meritor® drive axles. Designed to prevent gear oil leaks while protecting wheel bearings from dirt, water, and road contaminants, the R1-D02 helps maximize wheel end reliability and reduce costly downtime.\u003c\/p\u003e\n\u003cp\u003eFeaturing REV HD's innovative Flex Seal™ technology, the R1-D02 is designed to reduce installation errors by allowing the sealing element to flex during hub installation. The heavy-duty steel case, multiple sealing lips, and premium elastomer construction provide outstanding durability in both on-highway and vocational applications.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing scheduled wheel end maintenance or replacing a leaking drive axle seal, the REV HD R1-D02 delivers OEM-quality sealing performance for today's demanding Class 6, 7, and 8 trucks.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium REV HD REV-1 Severe Duty wheel seal\u003c\/li\u003e\n\u003cli\u003eDesigned for Eaton® and Meritor® drive axles\u003c\/li\u003e\n\u003cli\u003eCompatible with oil-lubricated wheel ends\u003c\/li\u003e\n\u003cli\u003eInnovative Flex Seal™ design helps prevent cocked installation\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steel case construction\u003c\/li\u003e\n\u003cli\u003eMultiple sealing lips for superior contamination protection\u003c\/li\u003e\n\u003cli\u003eIncludes Seal Extend installation lubricant\u003c\/li\u003e\n\u003cli\u003eExcellent resistance to heat, oil, and road contaminants\u003c\/li\u003e\n\u003cli\u003eEngineered for commercial fleet service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REV HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e R1-D02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e REV-1 Severe Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Drive Axle Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Compatibility:\u003c\/strong\u003e Eaton® \u0026amp; Meritor® Drive Axles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 6.310\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 4.767\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Material:\u003c\/strong\u003e Premium Nitrile (NBR)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNational 370003A\u003c\/li\u003e\n\u003cli\u003eNational 380003A\u003c\/li\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 47691\u003c\/li\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 47692\u003c\/li\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 47695\u003c\/li\u003e\n\u003cli\u003eSKF \/ Chicago Rawhide 47697\u003c\/li\u003e\n\u003cli\u003eStemco 393-0173\u003c\/li\u003e\n\u003cli\u003eStemco 393-0273\u003c\/li\u003e\n\u003cli\u003eStemco 392-9131\u003c\/li\u003e\n\u003cli\u003eStemco 309-0973\u003c\/li\u003e\n\u003cli\u003eConMet 10045887\u003c\/li\u003e\n\u003cli\u003eMeritor MER0173\u003c\/li\u003e\n\u003cli\u003eMeritor MER0273\u003c\/li\u003e\n\u003cli\u003eTimken 11S47670\u003c\/li\u003e\n\u003cli\u003eTruckPro RHR1-D02\u003c\/li\u003e\n\u003cli\u003eREV HD R1-D02\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth W900\u003c\/li\u003e\n\u003cli\u003ePeterbilt 579\u003c\/li\u003e\n\u003cli\u003ePeterbilt 389\u003c\/li\u003e\n\u003cli\u003eVolvo VNL Series\u003c\/li\u003e\n\u003cli\u003eMack Anthem\u003c\/li\u003e\n\u003cli\u003eWestern Star Trucks\u003c\/li\u003e\n\u003cli\u003eInternational LT Series\u003c\/li\u003e\n\u003cli\u003eClass 6–8 Trucks with Eaton or Meritor Drive Axles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Replace Your Drive Axle Wheel Seal?\u003c\/h3\u003e\n\u003cp\u003eA leaking drive axle wheel seal can allow gear oil to contaminate brake shoes or brake pads, reduce bearing lubrication, and cause premature wheel end failure. Replacing worn seals during wheel bearing or brake service helps protect expensive wheel end components while maintaining safe braking performance and reducing unplanned downtime.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #f8f8f8; padding: 25px; border-left: 4px solid #ff6a00; margin: 25px 0;\"\u003e\n\u003ch3\u003e🔥Complete Your Wheel End Service\u003c\/h3\u003e\n\u003cp\u003eGet the most from your repair by replacing wheel bearings, hub caps, hub oil, spindle nuts, and axle gaskets at the same time. Preventive maintenance helps extend wheel bearing life and reduces the risk of costly roadside failures.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Severe-Duty Construction\u003c\/li\u003e\n\u003cli\u003e✔ Eaton \u0026amp; Meritor Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Flex Seal™ Technology\u003c\/li\u003e\n\u003cli\u003e✔ Premium Wheel End Protection\u003c\/li\u003e\n\u003cli\u003e✔ Fleet-Proven Performance\u003c\/li\u003e\n\u003cli\u003e✔ Easy Installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #fff7ef; padding: 20px; border: 1px solid #ffb366; border-radius: 8px; margin-top: 20px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Drive Axle Bearing Sets\u003c\/li\u003e\n\u003cli\u003e✔ Hub Oil\u003c\/li\u003e\n\u003cli\u003e✔ Hub Caps\u003c\/li\u003e\n\u003cli\u003e✔ Spindle Nut Kits\u003c\/li\u003e\n\u003cli\u003e✔ Brake Drums \u0026amp; Brake Shoes\u003c\/li\u003e\n\u003cli\u003e✔ Complete Wheel End Service Kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your drive axle service with premium bearings, hub oil, seals, and brake components to maximize reliability and minimize downtime.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"RevHD","offers":[{"title":"Default Title","offer_id":67018948542509,"sku":null,"price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/RNG_R1-T04_Front_Asset_1.jpg?v=1789965736"},{"product_id":"rev-hd-r1-t03-trailer-wheel-seal","title":"REV HD R1-T03 Trailer Wheel Seal | TN Spindle","description":"\u003ch2\u003eREV HD R1-T03 REV-1 Trailer Wheel Seal | TN Spindle | Severe Duty Wheel End Seal\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eREV HD R1-T03 REV-1 Trailer Wheel Seal\u003c\/strong\u003e is a premium severe-duty wheel seal engineered for commercial trailer axles with TN (Tapered Narrow) spindles. Designed to protect trailer wheel bearings from dirt, water, road debris, and lubricant loss, the R1-T03 delivers exceptional sealing performance for dry vans, refrigerated trailers, flatbeds, tank trailers, and vocational equipment.\u003c\/p\u003e\n\u003cp\u003eBuilt with REV HD's innovative \u003cstrong\u003eFlex Seal™ Technology\u003c\/strong\u003e, the R1-T03 helps reduce installation errors by allowing the seal to flex during hub installation, significantly reducing the chance of cocked seals—the leading cause of premature wheel seal failure. The heavy-duty steel construction, wider sealing surfaces, and multiple internal sealing lips provide superior durability in even the harshest operating environments. :contentReference[oaicite:0]{index=0}\u003c\/p\u003e\n\u003cp\u003eWhether you're servicing a fleet trailer or performing preventive wheel-end maintenance, the REV HD R1-T03 provides OEM-quality performance that helps maximize bearing life, reduce downtime, and lower maintenance costs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium REV HD REV-1 severe-duty trailer wheel seal\u003c\/li\u003e\n\u003cli\u003eDesigned for TN (Tapered Narrow) trailer spindles\u003c\/li\u003e\n\u003cli\u003eCompatible with both oil and grease lubricated hubs\u003c\/li\u003e\n\u003cli\u003eExclusive Flex Seal™ design helps prevent cocked installation\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steel top plate protects against installation damage and brake heat\u003c\/li\u003e\n\u003cli\u003eWider inside and outside sealing surfaces for improved coverage\u003c\/li\u003e\n\u003cli\u003eMultiple internal sealing lips for maximum contamination protection\u003c\/li\u003e\n\u003cli\u003eIncludes complimentary Seal Extend installation compound\u003c\/li\u003e\n\u003cli\u003eBuilt for on-highway, off-road, and severe-duty applications\u003c\/li\u003e\n\u003cli\u003e1-Year REV HD warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REV HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e R1-T03\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e REV-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Trailer Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Type:\u003c\/strong\u003e TN (Tapered Narrow)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 6.000\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 4.625\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication:\u003c\/strong\u003e Oil or Grease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Material:\u003c\/strong\u003e Premium NBR Elastomer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSKF \/ CR 46300\u003c\/li\u003e\n\u003cli\u003eSKF \/ CR 46304\u003c\/li\u003e\n\u003cli\u003eSKF \/ CR 46305\u003c\/li\u003e\n\u003cli\u003eSKF \/ CR 46306\u003c\/li\u003e\n\u003cli\u003eSKF \/ CR 46308\u003c\/li\u003e\n\u003cli\u003eNational 370025A\u003c\/li\u003e\n\u003cli\u003eNational 380025A\u003c\/li\u003e\n\u003cli\u003eNational 455211\u003c\/li\u003e\n\u003cli\u003eStemco 373-0143\u003c\/li\u003e\n\u003cli\u003eStemco 373-0243\u003c\/li\u003e\n\u003cli\u003eStemco 372-7097\u003c\/li\u003e\n\u003cli\u003eStemco 307-0743\u003c\/li\u003e\n\u003cli\u003eConMet 10005436\u003c\/li\u003e\n\u003cli\u003eConMet 10045888\u003c\/li\u003e\n\u003cli\u003eMeritor A1205G2191\u003c\/li\u003e\n\u003cli\u003eMeritor A1205R2566\u003c\/li\u003e\n\u003cli\u003eMeritor A1205X1662\u003c\/li\u003e\n\u003cli\u003eMeritor A1205C2343\u003c\/li\u003e\n\u003cli\u003eDexter 1005503\u003c\/li\u003e\n\u003cli\u003eGreat Dane 42478\u003c\/li\u003e\n\u003cli\u003eHendrickson A-11571\u003c\/li\u003e\n\u003cli\u003eHendrickson A-25540\u003c\/li\u003e\n\u003cli\u003eREV HD R1-T03\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDry Van Trailers\u003c\/li\u003e\n\u003cli\u003eRefrigerated (Reefer) Trailers\u003c\/li\u003e\n\u003cli\u003eFlatbed Trailers\u003c\/li\u003e\n\u003cli\u003eTank Trailers\u003c\/li\u003e\n\u003cli\u003eUtility Trailers\u003c\/li\u003e\n\u003cli\u003eGreat Dane Trailers\u003c\/li\u003e\n\u003cli\u003eWabash Trailers\u003c\/li\u003e\n\u003cli\u003eHyundai Translead Trailers\u003c\/li\u003e\n\u003cli\u003eVanguard Trailers\u003c\/li\u003e\n\u003cli\u003eWilson Trailers\u003c\/li\u003e\n\u003cli\u003eTimpte Trailers\u003c\/li\u003e\n\u003cli\u003eTrailmobile Trailers\u003c\/li\u003e\n\u003cli\u003eFontaine Trailers\u003c\/li\u003e\n\u003cli\u003eMost North American TN-Spindle Trailer Hubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Replace Your Trailer Wheel Seal?\u003c\/h3\u003e\n\u003cp\u003eA leaking wheel seal can contaminate brake linings, damage wheel bearings, and allow moisture and debris into the hub assembly. Replacing worn seals during wheel bearing service helps maintain proper lubrication, extend bearing life, improve braking performance, and reduce costly roadside breakdowns.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv style=\"background: #f8f8f8; padding: 25px; border-left: 4px solid #ff6a00; margin: 25px 0;\"\u003e\n\u003ch3\u003e🔥Complete Your Trailer Wheel End Service\u003c\/h3\u003e\n\u003cp\u003eProtect your trailer investment by replacing wheel seals, bearings, hub caps, hub oil, and spindle hardware together. 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Designed to help prevent wheel-end lubricant leaks and protect critical wheel bearings from dirt, water, and road contaminants, the RM-S01 delivers dependable sealing performance for demanding over-the-road and vocational truck operations.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing REV HD's innovative \u003cstrong\u003eFlex Seal technology\u003c\/strong\u003e, increased sealing contact areas, and heavy-duty construction, the RM-S01 offers a premium replacement option for compatible SKF, Stemco, National, and other commercial truck wheel seal applications.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-S01 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Rev Max Series:\u003c\/strong\u003e Severe-duty wheel seal designed for demanding commercial truck applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12,000 lb Steer Axle Applications:\u003c\/strong\u003e Engineered for compatible front steer axle wheel ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex Seal Technology:\u003c\/strong\u003e Unique flexible design helps prevent cocked seals during hub installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Sealing Contact:\u003c\/strong\u003e Wider inner and outer contact areas help improve sealing coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Internal Sealing Points:\u003c\/strong\u003e Designed to help retain lubricant and reduce contaminant entry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Grease Compatibility:\u003c\/strong\u003e Suitable for compatible oil-lubricated and grease-lubricated wheel hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere-Duty Construction:\u003c\/strong\u003e Designed for demanding highway, vocational, and off-road environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Top Plate:\u003c\/strong\u003e Helps protect the seal from installation impacts and brake heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Installation:\u003c\/strong\u003e Designed for installation using a suitable flat installation surface without requiring a proprietary seal driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Extend:\u003c\/strong\u003e Includes REV HD's seal treatment product to help improve sealing at mating surfaces when applied according to instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Manufacturer Warranty:\u003c\/strong\u003e Subject to REV HD warranty terms and applicable requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Front Wheel Seal for Semi Trucks\u003c\/h2\u003e\n\n\u003cp\u003eSteer axle wheel seals play a critical role in protecting wheel bearings and maintaining proper wheel-end lubrication. A worn or damaged front axle wheel seal can allow oil or grease to escape while exposing bearings and other components to damaging contaminants.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-S01 front steer axle seal\u003c\/strong\u003e is designed to help maintain lubricant retention and protect wheel-end components in compatible heavy-duty diesel trucks.\u003c\/p\u003e\n\n\u003cp\u003eIt is an excellent replacement option for qualifying commercial truck applications operating under demanding conditions, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOver-the-road semi trucks\u003c\/li\u003e\n\u003cli\u003eClass 8 commercial trucks\u003c\/li\u003e\n\u003cli\u003eRegional delivery trucks\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eDump trucks\u003c\/li\u003e\n\u003cli\u003eConstruction and severe-duty applications\u003c\/li\u003e\n\u003cli\u003eCommercial fleet vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eREV HD Flex Seal Technology\u003c\/h2\u003e\n\n\u003cp\u003eImproper seal alignment during installation is a common cause of premature wheel seal failure. REV HD developed its unique \u003cstrong\u003eFlex Seal design\u003c\/strong\u003e to help reduce the risk of seal cocking as the wheel hub is installed onto the spindle.\u003c\/p\u003e\n\n\u003cp\u003eThe flexible sealing design allows movement at the seal's inner diameter during hub installation, helping maintain alignment and support consistent sealing performance.\u003c\/p\u003e\n\n\u003cp\u003eCombined with increased sealing contact areas and additional internal sealing points, this design helps protect the wheel end from lubricant loss and contamination.\u003c\/p\u003e\n\n\u003ch2\u003eOil \u0026amp; Grease Wheel Hub Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eThe REV HD RM-S01 is designed for use with compatible \u003cstrong\u003eoil-bath and grease-lubricated wheel hubs\u003c\/strong\u003e. This versatility makes it a practical wheel-end replacement component for many heavy-duty commercial truck maintenance applications.\u003c\/p\u003e\n\n\u003cp\u003eAlways confirm the axle spindle dimensions, hub bore, and original wheel seal specifications before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-S01 Wheel Seal Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe REV HD RM-S01 is commonly cross-referenced with the following heavy-duty steer axle wheel seal part numbers:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF \/ Chicago Rawhide:\u003c\/strong\u003e 35058, 35059, 35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 383-0236, 383-0136, 382-8036, 308-0836\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 380001A, 370001A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConMet:\u003c\/strong\u003e 10045885\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MER0236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREV HD:\u003c\/strong\u003e R1-S01 (alternative series; confirm application)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Cross-reference numbers are provided to assist with parts identification. Verify actual dimensions and wheel-end compatibility before installation. Some cross-referenced products may differ in design or performance characteristics.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Steer Axle Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eA leaking or damaged steer axle wheel seal can lead to lubricant loss, wheel bearing damage, and contamination of nearby brake components.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil or grease leaking around the front wheel hub\u003c\/li\u003e\n\u003cli\u003eLubricant accumulation on the inside of the wheel\u003c\/li\u003e\n\u003cli\u003eOil or grease contamination near brake components\u003c\/li\u003e\n\u003cli\u003eLow wheel hub lubricant level\u003c\/li\u003e\n\u003cli\u003eVisible wheel seal damage\u003c\/li\u003e\n\u003cli\u003eWheel bearing wear associated with lubrication loss or contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf wheel-end leakage is detected, inspect the seal, hub bore, spindle sealing surfaces, wheel bearings, and associated components before completing the repair.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-S01 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REV HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e Rev Max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e RM-S01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Steer Axle Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Position:\u003c\/strong\u003e Front Steer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Application:\u003c\/strong\u003e Compatible 12,000 lb Steer Axles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inner Diameter:\u003c\/strong\u003e 3.500 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Outer Diameter:\u003c\/strong\u003e 4.840 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Lubrication:\u003c\/strong\u003e Oil or Grease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Severe-Duty Flex Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 3 Years, Subject to Warranty Terms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 603016607104\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Wheel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSteer Axle Wheel Seal Fitment \u0026amp; Installation\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-S01\u003c\/strong\u003e is designed for specific heavy-duty steer axle wheel-end configurations. Compatibility must be confirmed using the original seal part number and the actual spindle and hub bore dimensions.\u003c\/p\u003e\n\n\u003cp\u003eA 12,000 lb steer axle rating does not guarantee that this seal will fit every 12,000 lb axle.\u003c\/p\u003e\n\n\u003cp\u003eBefore installation, inspect all sealing surfaces for damage, corrosion, scoring, and excessive wear. Follow REV HD installation instructions and the vehicle or axle manufacturer's wheel-end service procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Wheel-end seals are critical components of commercial truck bearing and lubrication systems. Professional installation is recommended. Always inspect the wheel-end assembly for underlying causes of seal failure and verify proper lubricant levels before returning the vehicle to service.\u003c\/p\u003e\n","brand":"RevHD","offers":[{"title":"Default Title","offer_id":67052013125677,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/RNG_RM-T04_Front_Asset_1.jpg?v=1789965724"},{"product_id":"rev-hd-rm-d02-drive-axle-wheel-seal","title":"REV HD RM-D02 | Rev Max Drive Axle Wheel Seal – Eaton \u0026 Meritor","description":"\n\u003ch2\u003eREV HD RM-D02 Rev Max Drive Axle Wheel Seal – Eaton \u0026amp; Meritor\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-D02 Rev Max Drive Axle Wheel Seal\u003c\/strong\u003e is a premium severe-duty wheel-end seal engineered for compatible Eaton and Meritor drive axle applications. Designed to help prevent wheel hub oil leaks, retain essential lubricants, and protect wheel bearings against dirt, water, and road contaminants, the RM-D02 is a dependable sealing solution for heavy-duty commercial trucks.\u003c\/p\u003e\n\n\u003cp\u003eBuilt for demanding over-the-road and vocational applications, the \u003cstrong\u003eREV HD Rev Max RM-D02\u003c\/strong\u003e features advanced sealing construction, a unique Flex Design, wider sealing contact areas, and multiple internal sealing points. Its heavy-duty design makes it an excellent replacement option for compatible semi truck rear drive axle wheel ends.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-D02 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRev Max Premium Series:\u003c\/strong\u003e Designed for severe-duty commercial truck wheel-end applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEaton \u0026amp; Meritor Drive Axles:\u003c\/strong\u003e Intended for compatible rear drive axle wheel-end assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex Seal Design:\u003c\/strong\u003e Helps reduce the risk of cocked or misaligned seals during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider Sealing Contact Areas:\u003c\/strong\u003e Increased inner and outer contact surfaces help improve sealing coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Internal Sealing Points:\u003c\/strong\u003e Help retain lubricant and protect against contamination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Top Plate:\u003c\/strong\u003e Helps protect the seal against installation impacts and brake heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Grease Compatibility:\u003c\/strong\u003e Designed for compatible oil-lubricated and grease-lubricated wheel hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere-Duty Construction:\u003c\/strong\u003e Suitable for demanding highway, construction, vocational, and off-road service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Installation:\u003c\/strong\u003e Designed for installation with an appropriate flat installation tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Extend Included:\u003c\/strong\u003e Includes REV HD's sealing treatment for use according to manufacturer instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Manufacturer Warranty:\u003c\/strong\u003e Subject to applicable REV HD warranty terms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Drive Axle Wheel Seal for Semi Trucks\u003c\/h2\u003e\n\n\u003cp\u003eDrive axle wheel seals are essential components of a commercial truck's wheel-end lubrication system. They help retain lubricant inside the hub assembly while preventing contaminants from entering the wheel bearings.\u003c\/p\u003e\n\n\u003cp\u003eWhen a rear axle wheel seal begins to leak, the resulting lubricant loss can contribute to premature bearing wear, overheating, and wheel-end component damage. Leaking lubricant may also contaminate nearby brake components, creating additional repair and safety concerns.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-D02 rear wheel seal\u003c\/strong\u003e is engineered to provide dependable sealing performance in compatible Eaton and Meritor drive axle assemblies used in demanding commercial truck applications.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD Flex Seal Technology\u003c\/h2\u003e\n\n\u003cp\u003eProper wheel seal alignment is critical during hub installation. An improperly positioned seal can cause premature leakage and unnecessary wheel-end repairs.\u003c\/p\u003e\n\n\u003cp\u003eREV HD's unique \u003cstrong\u003eFlex Design\u003c\/strong\u003e helps reduce the risk of seal cocking during installation. Combined with wider inner and outer sealing surfaces and additional internal sealing points, this design helps maintain consistent sealing contact and protect the wheel end from lubricant loss and contamination.\u003c\/p\u003e\n\n\u003cp\u003eThe protective top plate also helps shield the seal from installation impacts and brake heat encountered during heavy-duty operation.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Eaton \u0026amp; Meritor Drive Axle Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe REV HD RM-D02 is intended for compatible \u003cstrong\u003eEaton and Meritor heavy-duty drive axle wheel ends\u003c\/strong\u003e. It is commonly associated with certain commercial drive axle configurations in the 38,000 to 46,000 lb rating range.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include properly matched drive axle assemblies used in:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFreightliner semi trucks\u003c\/li\u003e\n\u003cli\u003eKenworth heavy-duty trucks\u003c\/li\u003e\n\u003cli\u003ePeterbilt commercial trucks\u003c\/li\u003e\n\u003cli\u003eVolvo semi trucks\u003c\/li\u003e\n\u003cli\u003eMack heavy-duty trucks\u003c\/li\u003e\n\u003cli\u003eInternational commercial trucks\u003c\/li\u003e\n\u003cli\u003eWestern Star vocational trucks\u003c\/li\u003e\n\u003cli\u003eOver-the-road tractor trailers\u003c\/li\u003e\n\u003cli\u003eHeavy-duty fleet vehicles\u003c\/li\u003e\n\u003cli\u003eConstruction and vocational equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Vehicle make, model, and axle capacity alone do not guarantee fitment. Verify the original wheel seal part number, hub bore, spindle dimensions, and axle configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-D02 Wheel Seal Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-D02\u003c\/strong\u003e is commonly cross-referenced with the following commercial truck drive axle wheel seal part numbers:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF \/ Chicago Rawhide:\u003c\/strong\u003e 47691, 47692, 47693, 47694, 47695, 47696, 47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 370003A, 380003A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 393-0173, 393-0273, 392-9131, 309-0973\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConMet:\u003c\/strong\u003e 10045887\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MER0173, MER0273\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREV HD:\u003c\/strong\u003e RM-D02\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCross-reference numbers are provided for parts identification purposes. Different seal manufacturers may use different designs or installation methods. Always verify dimensional compatibility and the applicable wheel-end specifications before installation.\u003c\/p\u003e\n\n\u003ch2\u003eOil \u0026amp; Grease Wheel Hub Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eThe REV HD RM-D02 is designed for use with compatible oil-bath and grease-lubricated wheel hub assemblies. This makes it a practical replacement option for commercial trucks operating with different approved wheel-end lubrication systems.\u003c\/p\u003e\n\n\u003cp\u003eFollow the axle and hub manufacturer's specifications for lubricant type, fill level, and wheel-end maintenance procedures.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Drive Axle Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eA damaged or worn rear drive axle wheel seal may cause several warning signs, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eGear oil leaking from the rear wheel hub\u003c\/li\u003e\n\u003cli\u003eOil or grease accumulation around the inside of the wheel\u003c\/li\u003e\n\u003cli\u003eLubricant contamination on brake components\u003c\/li\u003e\n\u003cli\u003eLow wheel-end lubricant levels\u003c\/li\u003e\n\u003cli\u003eVisible wheel seal damage or deterioration\u003c\/li\u003e\n\u003cli\u003eAbnormal wheel bearing wear\u003c\/li\u003e\n\u003cli\u003eWheel-end overheating related to lubrication problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhen replacing a failed wheel seal, inspect the wheel bearings, hub bore, spindle sealing surfaces, and related wheel-end components to identify any underlying causes of leakage.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-D02 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REV HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e Rev Max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e RM-D02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Drive Axle Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Position:\u003c\/strong\u003e Rear Drive Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Applications:\u003c\/strong\u003e Compatible Eaton \u0026amp; Meritor Drive Axles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Axle Rating Range:\u003c\/strong\u003e 38,000–46,000 lbs, Application Dependent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inner Diameter:\u003c\/strong\u003e Approximately 4.765–4.767 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Lubrication:\u003c\/strong\u003e Oil or Grease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Design:\u003c\/strong\u003e Severe-Duty Rev Max Flex Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 3 Years, Subject to Warranty Terms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 603016607111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Wheel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Fitment Verification\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-D02 Drive Axle Wheel Seal\u003c\/strong\u003e is designed for specific heavy-duty wheel-end configurations. Before installation, confirm the original seal number and verify all applicable spindle, hub bore, and wheel-end measurements.\u003c\/p\u003e\n\n\u003cp\u003eInspect sealing surfaces for scoring, corrosion, excessive wear, and other damage that may affect seal performance. Follow REV HD's installation instructions and the axle manufacturer's service procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Wheel-end seals are critical to bearing lubrication and commercial vehicle safety. Always verify correct bearing adjustment, lubricant levels, and wheel-end condition before returning the vehicle to service.\u003c\/p\u003e\n","brand":"RevHD","offers":[{"title":"Default Title","offer_id":67052022235181,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/RNG_RM-T04_Front_Asset_1.jpg?v=1789965724"},{"product_id":"rev-hd-rm-t03-trailer-wheel-seal","title":"REV HD RM-T03 | Rev Max Trailer Wheel Seal – TN Spindle","description":"\n\u003ch2\u003eREV HD RM-T03 Rev Max Trailer Wheel Seal – TN Spindle\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-T03 Rev Max Trailer Wheel Seal\u003c\/strong\u003e is a premium, severe-duty wheel-end seal designed for heavy-duty semi trailers equipped with compatible \u003cstrong\u003eTN (tapered) axle spindles\u003c\/strong\u003e. Engineered to help prevent wheel hub lubricant leaks and protect trailer wheel bearings from dirt, water, and road contaminants, the RM-T03 provides dependable sealing performance for demanding commercial trailer applications.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing REV HD's innovative \u003cstrong\u003eFlex Seal technology\u003c\/strong\u003e, HNBR sealing material, wider sealing contact areas, and multiple internal sealing points, the RM-T03 offers a premium replacement solution for compatible SKF, Stemco, National, ConMet, and Meritor trailer wheel seal applications.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-T03 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRev Max Premium Series:\u003c\/strong\u003e Severe-duty wheel seal designed for demanding commercial trailer wheel ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTN Spindle Compatibility:\u003c\/strong\u003e Designed for compatible tapered trailer axle spindle configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex Seal Technology:\u003c\/strong\u003e Helps reduce the risk of cocked or misaligned seals during hub installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHNBR Sealing Material:\u003c\/strong\u003e Premium sealing material used in REV HD's Rev Max product line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider Sealing Contact Areas:\u003c\/strong\u003e Increased contact coverage at the hub bore and spindle shoulder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Internal Sealing Points:\u003c\/strong\u003e Help retain wheel-end lubricant and reduce contaminant entry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Top Plate:\u003c\/strong\u003e Helps protect the seal against installation impacts and brake heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil \u0026amp; Grease Compatibility:\u003c\/strong\u003e Designed for compatible oil, grease, and semi-fluid grease wheel-end lubrication systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSevere-Duty Construction:\u003c\/strong\u003e Suitable for demanding highway, vocational, and off-road trailer applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Installation:\u003c\/strong\u003e Designed for installation using a suitable flat installation surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Extend Included:\u003c\/strong\u003e Includes REV HD's proprietary sealing compound for use according to manufacturer instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Manufacturer Warranty:\u003c\/strong\u003e Subject to REV HD warranty terms and conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Trailer Wheel Seal for TN Spindles\u003c\/h2\u003e\n\n\u003cp\u003eTrailer axle wheel seals are essential components of the wheel-end lubrication system. They help retain oil or grease inside the hub assembly while protecting wheel bearings from contamination.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-T03 trailer hub seal\u003c\/strong\u003e is designed for compatible TN spindle trailer axle configurations commonly used in commercial semi trailers. Its severe-duty construction makes it an excellent option for fleet maintenance, trailer repair shops, and owner-operators seeking reliable wheel-end sealing components.\u003c\/p\u003e\n\n\u003cp\u003eApplications may include compatible dry van, refrigerated, flatbed, tanker, and other commercial trailers equipped with the correct TN spindle and hub configuration.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD Flex Seal Technology\u003c\/h2\u003e\n\n\u003cp\u003eImproper wheel seal alignment during hub installation can contribute to premature leakage and wheel-end failures.\u003c\/p\u003e\n\n\u003cp\u003eREV HD's unique \u003cstrong\u003eFlex Seal design\u003c\/strong\u003e allows controlled movement at the seal's inner diameter as the hub is positioned onto the spindle, helping reduce the risk of seal cocking during installation.\u003c\/p\u003e\n\n\u003cp\u003eCombined with wider inner and outer sealing surfaces, multiple internal sealing points, and a protective top plate, the design helps provide dependable lubricant retention and contaminant protection in demanding trailer service.\u003c\/p\u003e\n\n\u003ch2\u003ePremium HNBR Sealing Technology\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD Rev Max series\u003c\/strong\u003e incorporates HNBR sealing material for demanding wheel-end applications. Its premium construction is designed to provide durable sealing performance in commercial trucking environments involving vibration, temperature changes, and extended highway operation.\u003c\/p\u003e\n\n\u003cp\u003eThe RM-T03 also features sealing lips that operate against a polished sealing surface to support consistent sealing performance.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-T03 Wheel Seal Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe REV HD RM-T03 is commonly cross-referenced with the following heavy-duty trailer wheel seal part numbers:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF \/ Chicago Rawhide:\u003c\/strong\u003e 46300, 46304, 46305, 46308\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 370025A, 380025A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 373-0143, 373-0243, 372-7097, 307-0743\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConMet:\u003c\/strong\u003e 10045888\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MER0243\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREV HD Rev 1:\u003c\/strong\u003e R1-T03\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Note:\u003c\/strong\u003e These numbers are provided for parts identification and interchange research. Seal designs and installation requirements may differ by manufacturer. Always confirm the spindle configuration, hub bore, and original seal dimensions before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Trailer Axle Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-T03 TN spindle wheel seal\u003c\/strong\u003e may be used in compatible trailer wheel-end assemblies from axle manufacturers such as Hendrickson, Meritor, and Dana\/Spicer when the required seal specifications match.\u003c\/p\u003e\n\n\u003cp\u003ePotential commercial trailer applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDry van trailers\u003c\/li\u003e\n\u003cli\u003eRefrigerated trailers\u003c\/li\u003e\n\u003cli\u003eFlatbed trailers\u003c\/li\u003e\n\u003cli\u003eTank trailers\u003c\/li\u003e\n\u003cli\u003eHeavy-duty commercial trailers\u003c\/li\u003e\n\u003cli\u003eRegional delivery trailers\u003c\/li\u003e\n\u003cli\u003eOver-the-road semi trailers\u003c\/li\u003e\n\u003cli\u003eVocational and severe-duty trailer applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCompatible TN spindle wheel ends may be found on trailers manufactured by Great Dane, Utility, Wabash, Vanguard, Hyundai Translead, Stoughton, and other commercial trailer manufacturers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Trailer brand alone does not guarantee compatibility. Confirm the actual spindle type, wheel hub configuration, and original seal specifications.\u003c\/p\u003e\n\n\u003ch2\u003eOil \u0026amp; Grease Wheel Hub Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eThe REV HD RM-T03 is designed for use with compatible oil-bath, grease, and semi-fluid grease wheel-end lubrication systems. This versatility makes it a practical replacement option for many commercial trailer maintenance applications.\u003c\/p\u003e\n\n\u003cp\u003eAlways follow the axle and hub manufacturer's requirements for approved lubricants, lubricant quantity, bearing adjustment, and wheel-end service procedures.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Trailer Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eA leaking trailer wheel seal can cause lubricant loss, wheel bearing damage, and contamination of nearby brake components.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil or grease leaking from the trailer wheel hub\u003c\/li\u003e\n\u003cli\u003eLubricant accumulation on the inside of the trailer wheel\u003c\/li\u003e\n\u003cli\u003eGrease or oil contamination around brake components\u003c\/li\u003e\n\u003cli\u003eLow hub lubricant levels\u003c\/li\u003e\n\u003cli\u003eVisible damage to the existing wheel seal\u003c\/li\u003e\n\u003cli\u003eAbnormal wheel bearing wear\u003c\/li\u003e\n\u003cli\u003eWheel-end overheating associated with lubrication problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhen replacing a failed wheel seal, inspect the hub bore, spindle sealing surfaces, bearings, and related wheel-end components for wear or damage.\u003c\/p\u003e\n\n\u003ch2\u003eREV HD RM-T03 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REV HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e Rev Max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e RM-T03\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Trailer Axle Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Position:\u003c\/strong\u003e Trailer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Type:\u003c\/strong\u003e TN (Tapered)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inner Diameter:\u003c\/strong\u003e 4.625 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Outer Diameter:\u003c\/strong\u003e 6.000 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing Material:\u003c\/strong\u003e HNBR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication Compatibility:\u003c\/strong\u003e Oil, Grease, and Compatible Semi-Fluid Grease\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Design:\u003c\/strong\u003e Rev Max Severe-Duty Flex Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Warranty:\u003c\/strong\u003e 3 Years, Subject to Warranty Terms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 603016607128\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Wheel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Fitment Verification\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eREV HD RM-T03\u003c\/strong\u003e is designed for specific TN spindle trailer wheel-end configurations. It should not be assumed to fit every commercial trailer axle.\u003c\/p\u003e\n\n\u003cp\u003eBefore installation, verify the original seal part number, spindle dimensions, hub bore, and wheel-end configuration. Inspect sealing surfaces for scoring, corrosion, excessive wear, or damage that may affect sealing performance.\u003c\/p\u003e\n\n\u003cp\u003eFollow REV HD installation instructions and the axle manufacturer's recommended wheel-end service procedures. Use the included Seal Extend compound only as directed by REV HD.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Wheel-end seals are critical to trailer bearing lubrication and commercial vehicle safety. Always verify correct bearing adjustment, approved lubricant levels, and wheel-end condition before returning the trailer to service.\u003c\/p\u003e\n","brand":"RevHD","offers":[{"title":"Default Title","offer_id":67052024070189,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/RNG_RM-T04_Front_Asset_1.jpg?v=1789965724"},{"product_id":"skf-35066-wheel-seal-ff-steer-axle-12k","title":"SKF 35066 Wheel Seal | FF Steer Axle 12K lb","description":"\u003ch2\u003eSKF 35066 Wheel Seal – FF Steer Axle, 12,000 lb\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eSKF 35066 Wheel Seal\u003c\/strong\u003e is a heavy-duty tractor wheel seal designed for \u003cstrong\u003eFF steer axle applications rated up to 12,000 lb\u003c\/strong\u003e. Engineered to help retain lubricant and protect wheel-end components from contaminants, this seal is an important component for maintaining reliable steer axle performance on commercial trucks.\n\u003c\/p\u003e\n\n\u003cp\u003e\nA properly functioning wheel seal helps prevent lubricant leakage while keeping dirt, moisture, and road contaminants away from wheel-end bearings and related components. The SKF 35066 is designed for professional heavy-duty truck repair, fleet maintenance, and wheel-end service applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhen servicing a steer axle, replacing a worn or leaking wheel seal can help protect bearings, reduce lubricant loss, and prevent premature wheel-end component wear.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSKF heavy-duty wheel seal\u003c\/li\u003e\n\u003cli\u003ePart number 35066\u003c\/li\u003e\n\u003cli\u003eDesigned for FF steer axle applications\u003c\/li\u003e\n\u003cli\u003eRated for 12,000 lb steer axle applications\u003c\/li\u003e\n\u003cli\u003eHelps retain wheel-end lubricant\u003c\/li\u003e\n\u003cli\u003eHelps protect bearings from dirt, moisture, and contaminants\u003c\/li\u003e\n\u003cli\u003eIdeal for commercial trucks and heavy-duty fleet applications\u003c\/li\u003e\n\u003cli\u003eDesigned for professional wheel-end service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SKF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Tractor \/ Steer Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Type:\u003c\/strong\u003e FF Steer Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 12,000 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Heavy-Duty Commercial Truck\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eHeavy-duty tractor steer axles\u003c\/li\u003e\n\u003cli\u003eFF steer axle applications\u003c\/li\u003e\n\u003cli\u003e12K lb steer axle service\u003c\/li\u003e\n\u003cli\u003eCommercial truck wheel-end repair\u003c\/li\u003e\n\u003cli\u003eFleet maintenance\u003c\/li\u003e\n\u003cli\u003eWheel bearing service\u003c\/li\u003e\n\u003cli\u003ePreventive wheel-end maintenance\u003c\/li\u003e\n\u003cli\u003eHeavy-duty truck repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Helps prevent lubricant leakage\u003c\/li\u003e\n\u003cli\u003e✔ Helps protect wheel bearings from contamination\u003c\/li\u003e\n\u003cli\u003e✔ Supports proper wheel-end lubrication\u003c\/li\u003e\n\u003cli\u003e✔ Designed for demanding commercial truck applications\u003c\/li\u003e\n\u003cli\u003e✔ Quality replacement for worn or damaged wheel seals\u003c\/li\u003e\n\u003cli\u003e✔ Helps protect expensive wheel-end components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose SKF Wheel Seals?\u003c\/h3\u003e\n\n\u003cp\u003e\nSKF is a recognized manufacturer of bearings, seals, and wheel-end components used across automotive, commercial vehicle, and industrial applications. The SKF 35066 provides a dependable replacement solution for qualifying FF steer axle applications and is designed to meet the demands of professional heavy-duty truck service.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWheel Seal Replacement\u003c\/h3\u003e\n\n\u003cp\u003e\nWheel seals should be inspected whenever wheel-end components are serviced. Signs of a failing wheel seal may include \u003cstrong\u003evisible lubricant around the wheel hub, low lubricant levels, contaminated bearings, or repeated wheel-end leaks\u003c\/strong\u003e. Replacing the seal during appropriate wheel-end service can help prevent further damage and unnecessary downtime.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔧 Complete Your Wheel-End Service\u003c\/h3\u003e\n\n\u003cp\u003ePair your wheel seal with the components and supplies needed for professional heavy-duty truck maintenance.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Steer Axle Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Drive Axle Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Trailer Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Wheel Bearings\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Grease\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Heavy-Duty Wheel Bearings\u003c\/li\u003e\n\u003cli\u003e✔ Super Lube Grease\u003c\/li\u003e\n\u003cli\u003e✔ Lubriplate No. 105 Grease\u003c\/li\u003e\n\u003cli\u003e✔ Scott® Blue Shop Towels\u003c\/li\u003e\n\u003cli\u003e✔ WypAll® Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Mechanix Wear Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eKeep your wheel-end service stocked with quality seals, bearings, lubricants, cleaning products, and heavy-duty maintenance supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":67352094146605,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/SKF_Seal.jpg?v=1790129072"},{"product_id":"skf-47697-tractor-wheel-seal-drive-axle","title":"SKF 47697 Tractor Wheel Seal | 38K\/46K Drive Axle","description":"\u003ch2\u003eSKF 47697 Tractor Wheel Seal – 38K\/46K lb Drive Axle\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eSKF 47697 Tractor Wheel Seal\u003c\/strong\u003e is a heavy-duty wheel-end seal designed for \u003cstrong\u003e38,000 to 46,000 lb drive axle applications\u003c\/strong\u003e. This SKF Scotseal Classic wheel seal helps retain axle lubricant while protecting wheel-end components from dirt, dust, moisture, and other contaminants.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe SKF 47697 features a durable, unitized seal design with a spring-loaded sealing lip to provide dependable sealing performance in demanding heavy-duty truck and tractor applications. It is commonly used on commercial trucks, tractors, and other heavy-duty vehicles requiring reliable drive axle wheel-end protection.\n\u003c\/p\u003e\n\n\u003cp\u003e\nReplacing a worn or leaking wheel seal during wheel-end service helps prevent lubricant loss and contamination that can contribute to premature bearing and wheel-end component wear.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSKF Scotseal Classic wheel seal\u003c\/li\u003e\n\u003cli\u003ePart number 47697\u003c\/li\u003e\n\u003cli\u003eDesigned for drive axle applications\u003c\/li\u003e\n\u003cli\u003e38,000–46,000 lb drive axle rating\u003c\/li\u003e\n\u003cli\u003eUnitized one-piece seal design\u003c\/li\u003e\n\u003cli\u003eThree sealing lips with spring-loaded design\u003c\/li\u003e\n\u003cli\u003eNitrile rubber sealing material\u003c\/li\u003e\n\u003cli\u003eHelps retain wheel-end lubricant\u003c\/li\u003e\n\u003cli\u003eHelps protect wheel-end components from contaminants\u003c\/li\u003e\n\u003cli\u003eDesigned for heavy-duty commercial truck applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SKF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Tractor Wheel Seal \/ Drive Axle Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Series:\u003c\/strong\u003e Scotseal Classic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Drive Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 38,000–46,000 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Diameter:\u003c\/strong\u003e 4.766 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 6.316 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Bore:\u003c\/strong\u003e 6.311 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Width:\u003c\/strong\u003e 1.125 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLip Material:\u003c\/strong\u003e Nitrile Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eHeavy-duty tractor drive axles\u003c\/li\u003e\n\u003cli\u003e38K drive axle applications\u003c\/li\u003e\n\u003cli\u003e46K drive axle applications\u003c\/li\u003e\n\u003cli\u003eCommercial truck wheel-end service\u003c\/li\u003e\n\u003cli\u003eTractor-trailer maintenance\u003c\/li\u003e\n\u003cli\u003eFleet maintenance\u003c\/li\u003e\n\u003cli\u003eWheel bearing and hub service\u003c\/li\u003e\n\u003cli\u003eHeavy-duty drive axle repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Helps prevent axle lubricant leakage\u003c\/li\u003e\n\u003cli\u003e✔ Helps protect bearings from dirt and contaminants\u003c\/li\u003e\n\u003cli\u003e✔ Durable unitized seal construction\u003c\/li\u003e\n\u003cli\u003e✔ Spring-loaded sealing design\u003c\/li\u003e\n\u003cli\u003e✔ Designed for demanding heavy-duty applications\u003c\/li\u003e\n\u003cli\u003e✔ Helps protect wheel-end components\u003c\/li\u003e\n\u003cli\u003e✔ Reliable choice for professional fleet maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose SKF 47697?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eSKF 47697 Scotseal Classic\u003c\/strong\u003e is designed for demanding heavy-duty drive axle applications. Its unitized construction, spring-loaded sealing design, and nitrile rubber sealing lips provide dependable protection against lubricant loss and contamination in commercial truck wheel ends.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWheel Seal Replacement\u003c\/h3\u003e\n\n\u003cp\u003e\nInspect wheel seals whenever drive axle and wheel-end components are serviced. Signs of a worn or damaged seal can include \u003cstrong\u003elubricant leakage around the hub, low lubricant levels, contaminated bearings, or excessive wheel-end wear\u003c\/strong\u003e. Replacing the seal when necessary can help protect bearings and reduce the risk of costly wheel-end repairs.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔧 Complete Your Wheel-End Service\u003c\/h3\u003e\n\n\u003cp\u003eStock the components and shop supplies needed for professional heavy-duty wheel-end maintenance.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Drive Axle Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Steer Axle Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Trailer Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Wheel Bearings\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Grease\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ REV HD Drive Axle Seals\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Wheel Bearings\u003c\/li\u003e\n\u003cli\u003e✔ Super Lube Grease\u003c\/li\u003e\n\u003cli\u003e✔ Lubriplate No. 105 Grease\u003c\/li\u003e\n\u003cli\u003e✔ Scott® Blue Shop Towels\u003c\/li\u003e\n\u003cli\u003e✔ WypAll® Cleaning Cloths\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your wheel-end service with quality seals, bearings, lubricants, cleaning products, and heavy-duty maintenance supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":67352107122733,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/SKF_Seal.jpg?v=1790129072"},{"product_id":"skf-46305-trailer-wheel-seal-tn-225k","title":"SKF 46305 Trailer Wheel Seal | TN 22.5K Axle","description":"\u003ch2\u003eSKF 46305 Trailer Wheel Seal – TN 22,500 lb Trailer Axle\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eSKF 46305 Trailer Wheel Seal\u003c\/strong\u003e is a heavy-duty Scotseal Classic wheel seal designed for \u003cstrong\u003eTN trailer axle applications rated up to 22,500 lb\u003c\/strong\u003e. Engineered to help retain wheel-end lubricant and protect bearings from dirt, moisture, and other contaminants, this seal is an excellent choice for commercial trailer wheel-end service and fleet maintenance.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe SKF 46305 features a \u003cstrong\u003eunitized, one-piece design with three spring-loaded sealing lips\u003c\/strong\u003e and a nitrile rubber sealing material. Its durable construction provides dependable sealing performance in demanding trailer applications while helping reduce lubricant loss and contamination. citeturn0search3turn0search4\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis seal is commonly used with \u003cstrong\u003eDana Spicer, Rockwell, Eaton, and Standard Forge\u003c\/strong\u003e trailer axle applications. Always verify the axle model, seal dimensions, and application before installation. citeturn0search0\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eSKF Scotseal Classic trailer wheel seal\u003c\/li\u003e\n\u003cli\u003ePart number 46305\u003c\/li\u003e\n\u003cli\u003eDesigned for TN trailer axle applications\u003c\/li\u003e\n\u003cli\u003eRated for 22,500 lb trailer axles\u003c\/li\u003e\n\u003cli\u003eUnitized one-piece seal design\u003c\/li\u003e\n\u003cli\u003eThree spring-loaded sealing lips\u003c\/li\u003e\n\u003cli\u003eNitrile rubber sealing material\u003c\/li\u003e\n\u003cli\u003eBore coated with Bore-Tite\u003c\/li\u003e\n\u003cli\u003eHelps retain wheel-end lubricant\u003c\/li\u003e\n\u003cli\u003eHelps protect bearings from dirt and contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SKF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Scotseal Classic Trailer Wheel Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Trailer Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Type:\u003c\/strong\u003e TN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 22,500 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft \/ Seal Inner Diameter:\u003c\/strong\u003e 4.625 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Outer Diameter:\u003c\/strong\u003e 6.006 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Bore:\u003c\/strong\u003e 6.001 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Width:\u003c\/strong\u003e 1.063 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLip Material:\u003c\/strong\u003e Nitrile Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Type:\u003c\/strong\u003e Triple Lip with Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eTN 22.5K trailer axles\u003c\/li\u003e\n\u003cli\u003eCommercial trailer wheel ends\u003c\/li\u003e\n\u003cli\u003eHeavy-duty trailer maintenance\u003c\/li\u003e\n\u003cli\u003eTrailer wheel bearing service\u003c\/li\u003e\n\u003cli\u003eFleet maintenance\u003c\/li\u003e\n\u003cli\u003eTrailer axle repairs\u003c\/li\u003e\n\u003cli\u003eWheel-end seal replacement\u003c\/li\u003e\n\u003cli\u003ePreventive wheel-end maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Helps prevent wheel-end lubricant leakage\u003c\/li\u003e\n\u003cli\u003e✔ Helps protect bearings from contamination\u003c\/li\u003e\n\u003cli\u003e✔ Durable unitized seal construction\u003c\/li\u003e\n\u003cli\u003e✔ Spring-loaded sealing lips provide dependable sealing\u003c\/li\u003e\n\u003cli\u003e✔ Bore-Tite coating helps support proper installation\u003c\/li\u003e\n\u003cli\u003e✔ Designed for demanding commercial trailer applications\u003c\/li\u003e\n\u003cli\u003e✔ Helps protect expensive wheel-end components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose SKF 46305?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eSKF 46305 Scotseal Classic\u003c\/strong\u003e is designed specifically for demanding trailer wheel-end applications. Its unitized construction, triple-lip sealing design, and nitrile rubber sealing material provide dependable protection against lubricant loss and contamination.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor fleet operators and professional trailer technicians, replacing a worn or leaking wheel seal during wheel-end service can help protect bearings, reduce lubricant loss, and minimize the risk of premature wheel-end component failure.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWheel Seal Replacement\u003c\/h3\u003e\n\n\u003cp\u003e\nInspect the wheel seal whenever trailer hubs or wheel-end bearings are serviced. Signs of a damaged or worn seal can include \u003cstrong\u003elubricant around the hub, low lubricant levels, contaminated bearings, or recurring wheel-end leaks\u003c\/strong\u003e. Proper seal replacement helps maintain wheel-end lubrication and protect critical components.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCross Reference Part Numbers\u003c\/h3\u003e\n\n\u003cp\u003e\nThe SKF 46305 has numerous published cross-reference numbers, including \u003cstrong\u003eNational 370025A, National 380025A, Meritor MER0143, PAI BOS-7262, STEMCO 372-7097, Cummins 3070743, and REVHD R1-T03 \/ RM-T03\u003c\/strong\u003e. Cross-reference numbers should be used for identification only; always verify the exact axle and seal dimensions before ordering. citeturn0search2turn0search4\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔧 Complete Your Wheel-End Service\u003c\/h3\u003e\n\n\u003cp\u003eStock the components and shop supplies needed for professional heavy-duty trailer maintenance.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Trailer Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Drive Axle Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Steer Axle Wheel Seals\u003c\/li\u003e\n\u003cli\u003e✔ Wheel Bearings\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Grease\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ REV HD R1-T03 Trailer Wheel Seal\u003c\/li\u003e\n\u003cli\u003e✔ REV HD RM-T03 Trailer Axle Seal\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Wheel Bearings\u003c\/li\u003e\n\u003cli\u003e✔ Super Lube Grease\u003c\/li\u003e\n\u003cli\u003e✔ Lubriplate No. 105 Grease\u003c\/li\u003e\n\u003cli\u003e✔ Scott® Blue Shop Towels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your trailer wheel-end service with quality seals, bearings, lubricants, cleaning products, and heavy-duty maintenance supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SKF","offers":[{"title":"Default Title","offer_id":67352113152045,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/SKF_Seal.jpg?v=1790129072"},{"product_id":"gates-k120476hd-paccar-mx13-fan-drive-belt","title":"Gates K120476HD | PACCAR MX-13 Fan Drive Belt","description":"\u003ch2\u003eGates K120476HD PACCAR MX-13 Fan Drive Belt\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eGates K120476HD FleetRunner Heavy-Duty Micro-V Belt\u003c\/strong\u003e is a heavy-duty 12-rib serpentine belt designed for qualifying \u003cstrong\u003ePACCAR MX-13 fan drive applications\u003c\/strong\u003e. Engineered for demanding diesel engine environments, this belt is designed to provide durability, flexibility, stability, and reliable power transmission.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe K120476HD features Gates' heavy-duty \u003cstrong\u003eEPDM construction\u003c\/strong\u003e and a 12-rib Micro-V design. It has an effective length of \u003cstrong\u003e47.72 inches\u003c\/strong\u003e, an outside circumference of \u003cstrong\u003e48.25 inches\u003c\/strong\u003e, and a top width of \u003cstrong\u003e42 mm\u003c\/strong\u003e. Gates specifically identifies the FleetRunner line as being engineered for extreme operating temperatures and demanding heavy-duty drives. citeturn0search1\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis belt is commonly associated with qualifying \u003cstrong\u003ePACCAR MX-13 diesel engine fan applications\u003c\/strong\u003e, including select Peterbilt and Kenworth models. Always verify the existing belt, engine application, belt routing, and part number before ordering. citeturn0search0\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eGates K120476HD FleetRunner Heavy-Duty Micro-V Belt\u003c\/li\u003e\n\u003cli\u003eDesigned for qualifying PACCAR MX-13 fan drive applications\u003c\/li\u003e\n\u003cli\u003e12-rib serpentine \/ Micro-V design\u003c\/li\u003e\n\u003cli\u003e47.72\" effective length\u003c\/li\u003e\n\u003cli\u003e48.25\" outside circumference\u003c\/li\u003e\n\u003cli\u003e42 mm top width\u003c\/li\u003e\n\u003cli\u003eHeavy-duty EPDM construction\u003c\/li\u003e\n\u003cli\u003ePolyester cord construction\u003c\/li\u003e\n\u003cli\u003eDesigned for extreme operating temperatures\u003c\/li\u003e\n\u003cli\u003eResists cracking and wear\u003c\/li\u003e\n\u003cli\u003eDesigned for demanding heavy-duty belt drives\u003c\/li\u003e\n\u003cli\u003eHelps provide flexibility and load-carrying capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K120476HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e FleetRunner Heavy-Duty Micro-V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e V-Ribbed \/ Serpentine Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e PACCAR MX-13 Fan Drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRib Count:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSection:\u003c\/strong\u003e K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 47.72\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 1212 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 48.25\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 1226 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1.647\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 42 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCord Material:\u003c\/strong\u003e Polyester\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e OE Improved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\n\u003cp\u003e\nThe Gates K120476HD is used in qualifying \u003cstrong\u003ePACCAR MX-13 diesel engine fan drive applications\u003c\/strong\u003e. Published application information includes select:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePeterbilt 579\u003c\/li\u003e\n\u003cli\u003ePeterbilt 567\u003c\/li\u003e\n\u003cli\u003ePeterbilt 587\u003c\/li\u003e\n\u003cli\u003ePeterbilt 365\u003c\/li\u003e\n\u003cli\u003ePeterbilt 367\u003c\/li\u003e\n\u003cli\u003ePeterbilt 384\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth T880\u003c\/li\u003e\n\u003cli\u003eKenworth T800\u003c\/li\u003e\n\u003cli\u003eKenworth T660\u003c\/li\u003e\n\u003cli\u003eKenworth W900\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nApplication years and configurations vary by vehicle and engine. The published application data identifies the K120476HD with \u003cstrong\u003ePACCAR MX-13 diesel engine fan applications\u003c\/strong\u003e, so fitment should always be confirmed before ordering. citeturn0search0\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eOEM \u0026amp; Cross Reference Part Numbers\u003c\/h3\u003e\n\n\u003cp\u003e\nThe Gates K120476HD is cross-referenced with several heavy-duty belt part numbers, including:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePACCAR:\u003c\/strong\u003e 1956747\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePACCAR:\u003c\/strong\u003e D841003121212\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDayco:\u003c\/strong\u003e 5120477\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodyear:\u003c\/strong\u003e 1120477\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e 4120476FX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinental:\u003c\/strong\u003e 4120476F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAPA:\u003c\/strong\u003e 25-120476\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAPA:\u003c\/strong\u003e 25-120476HD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eACDelco:\u003c\/strong\u003e 12K476\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric:\u003c\/strong\u003e 12PK1212\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nAdditional cross-reference listings include \u003cstrong\u003e12PK1210, 12PK1214, 12PK1211, 12PK1215, and D841000121212\u003c\/strong\u003e. Cross-reference numbers are provided for identification purposes only; always verify the exact application before ordering. citeturn0search0turn0search4\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Replace Your Fan Drive Belt?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe fan drive belt is an important component of the engine accessory drive system. A worn, cracked, glazed, or damaged belt can cause belt noise, slippage, reduced accessory performance, or belt failure.\n\u003c\/p\u003e\n\n\u003cp\u003e\nOn a PACCAR MX-13 engine, a properly functioning fan drive system is important for maintaining the engine cooling system's ability to provide airflow when required. Regular belt inspection and replacement can help prevent unexpected downtime and roadside failures.\n\u003c\/p\u003e\n\n\u003cp\u003e\nGates recommends inspecting the belt drive system and notes that worn or failed tensioners can contribute to symptoms such as squealing, vibration, and excessive belt wear. citeturn0search1\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Gates FleetRunner K120476HD?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eGates K120476HD FleetRunner\u003c\/strong\u003e is engineered specifically for demanding heavy-duty belt-drive environments. Its EPDM construction is designed to resist cracking and wear while maintaining flexibility, stability, and load-carrying capability under prolonged operating temperatures.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor qualifying PACCAR MX-13 fan drive applications, the K120476HD provides a heavy-duty replacement option from Gates' FleetRunner line. citeturn0search1\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFan Drive Belt Fitment Verification\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eVerify fitment before ordering.\u003c\/strong\u003e PACCAR MX-13 engines can use different belt configurations depending on engine, chassis, model year, and accessory arrangement.\n\u003c\/p\u003e\n\n\u003cp\u003e\nCompare the existing belt's \u003cstrong\u003epart number, rib count, effective length, width, belt routing, and engine application\u003c\/strong\u003e before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIf the application is uncertain, provide the \u003cstrong\u003eVIN or engine serial number\u003c\/strong\u003e so the correct belt application can be confirmed.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#f8f8f8;padding:25px;border-left:4px solid #ff6a00;margin:25px 0;\"\u003e\n\u003ch3\u003e🔧 Complete Your PACCAR MX-13 Maintenance\u003c\/h3\u003e\n\n\u003cp\u003eKeep your MX-13 maintenance service stocked with quality belts, filters, lubricants, and professional shop supplies.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Gates Heavy-Duty Belts\u003c\/li\u003e\n\u003cli\u003e✔ PACCAR MX-13 Filters\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Engine Assembly Lubricants\u003c\/li\u003e\n\u003cli\u003e✔ Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ PACCAR MX-13 Oil Filters\u003c\/li\u003e\n\u003cli\u003e✔ PACCAR MX-13 Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Engine Belts\u003c\/li\u003e\n\u003cli\u003e✔ Belt Tensioners\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Work Gloves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your PACCAR MX-13 maintenance service with quality engine parts, filtration, belts, lubricants, and professional shop supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67496087453741,"sku":null,"price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/Untitled_-_September_24_2026_at_21.42.17.png?v=1790307793"},{"product_id":"gates-k080808hd-paccar-mx13-ac-belt","title":"Gates K080808HD | PACCAR MX-13 A\/C Belt","description":"\u003ch2\u003eGates K080808HD PACCAR MX-13 A\/C Belt\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGates K080808HD\u003c\/strong\u003e is a FleetRunner Heavy-Duty Micro-V serpentine belt designed for demanding heavy-duty applications, including \u003cstrong\u003ePACCAR MX-13 diesel engines\u003c\/strong\u003e with air conditioning systems. This 8-rib belt is engineered for durability, flexibility, and reliable performance under prolonged heat and operating loads.\u003c\/p\u003e\n\n\u003cp\u003eThe K080808HD features Gates heavy-duty EPDM construction with polyester cord and is designed to resist cracking, wear, and deterioration in demanding engine environments. It is an excellent replacement choice for trucks requiring a heavy-duty \u003cstrong\u003eMX-13 A\/C serpentine belt\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gates\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K080808HD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e FleetRunner Heavy-Duty Micro-V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e PACCAR MX-13 A\/C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Type:\u003c\/strong\u003e Heavy-Duty V-Ribbed \/ Serpentine Belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRib Count:\u003c\/strong\u003e 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSection:\u003c\/strong\u003e K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 80.82 in. \/ 2053 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 81.38 in. \/ 2067 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1.087 in. \/ 28 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCord Material:\u003c\/strong\u003e Polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e OE Improved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePACCAR MX-13 A\/C Belt Application\u003c\/h2\u003e\n\n\u003cp\u003eThe Gates K080808HD is listed for \u003cstrong\u003ePACCAR MX-13 diesel applications with air conditioning\u003c\/strong\u003e, including Peterbilt 579 applications. It is also cataloged for other heavy-duty truck applications depending on the vehicle configuration and belt routing.\u003c\/p\u003e\n\n\u003cp\u003eAlways verify belt routing, engine configuration, and existing belt dimensions before installation, especially when multiple accessory-drive configurations are available.\u003c\/p\u003e\n\n\u003ch2\u003eHeavy-Duty Gates FleetRunner Construction\u003c\/h2\u003e\n\n\u003cp\u003eGates FleetRunner Heavy-Duty Micro-V belts are designed for demanding commercial vehicle applications. The K080808HD uses EPDM construction engineered to withstand prolonged operating temperatures while providing flexibility, stability, load-carrying capacity, and resistance to cracking and wear.\u003c\/p\u003e\n\n\u003cp\u003eGates also recommends inspecting the belt tensioner when replacing a serpentine belt. A worn or failing tensioner can contribute to belt noise, vibration, uneven wear, and premature belt failure.\u003c\/p\u003e\n\n\u003ch2\u003eCross Reference Numbers\u003c\/h2\u003e\n\n\u003cp\u003eCommon cross-reference numbers for Gates K080808HD include \u003cstrong\u003eACDelco 8K808\u003c\/strong\u003e, \u003cstrong\u003eContinental 4080807X\u003c\/strong\u003e, \u003cstrong\u003eCummins 3103701\u003c\/strong\u003e, \u003cstrong\u003eDayco 5080810\u003c\/strong\u003e, \u003cstrong\u003eGoodyear 1080810\u003c\/strong\u003e, and \u003cstrong\u003eNAPA 25-080808 \/ 25-080808HD\u003c\/strong\u003e. Cross-reference numbers should be verified against the specific vehicle and belt-drive configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Gates K080808HD?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty FleetRunner Micro-V construction\u003c\/li\u003e\n  \u003cli\u003eDesigned for demanding commercial vehicle applications\u003c\/li\u003e\n  \u003cli\u003e8-rib serpentine belt configuration\u003c\/li\u003e\n  \u003cli\u003eEPDM construction for heat and wear resistance\u003c\/li\u003e\n  \u003cli\u003eDesigned for PACCAR MX-13 A\/C applications\u003c\/li\u003e\n  \u003cli\u003eEngineered for long service life and reduced downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Verify your truck's engine, accessory configuration, belt routing, and existing belt dimensions before ordering to ensure the K080808HD is the correct replacement.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67496109867053,"sku":null,"price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/Untitled_-_September_24_2026_at_21.44.41.png?v=1790307922"},{"product_id":"gates-k100643hd-detroit-dd15-fan-belt","title":"Gates K100643HD | Detroit DD15 Fan Belt","description":"\u003ch2\u003eGates K100643HD Detroit DD15 Fan Belt\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGates K100643HD\u003c\/strong\u003e is a FleetRunner Heavy-Duty Micro-V serpentine belt designed for the \u003cstrong\u003eDetroit Diesel DD15 fan drive\u003c\/strong\u003e. Built for demanding heavy-duty truck applications, this 10-rib belt provides the flexibility, strength, and durability needed for reliable operation in high-temperature engine environments.\u003c\/p\u003e\n\n\u003cp\u003eThe K100643HD is specifically cataloged for \u003cstrong\u003eDetroit DD15 diesel engines and fan applications\u003c\/strong\u003e, including Freightliner Cascadia and other compatible heavy-duty truck configurations.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gates\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K100643HD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e FleetRunner Heavy-Duty Micro-V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Detroit Diesel DD15 Fan Drive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Type:\u003c\/strong\u003e Heavy-Duty V-Ribbed \/ Serpentine Belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRib Count:\u003c\/strong\u003e 10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSection:\u003c\/strong\u003e K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 64.44 in. \/ 1637 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 65 in. \/ 1651 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1.367 in. \/ 35 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCord Material:\u003c\/strong\u003e Polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e OE Improved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDetroit DD15 Fan Belt Application\u003c\/h2\u003e\n\n\u003cp\u003eThe Gates K100643HD is cataloged as the \u003cstrong\u003efan belt for Detroit Diesel DD15 engines\u003c\/strong\u003e. Gates heavy-duty application catalogs identify the K100643HD for DD15-powered Freightliner Cascadia applications, with catalog coverage beginning in 2012 and extending through 2021 for the listed Cascadia application.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The DD15 accessory drive uses different belts for different components. The K100643HD is the \u003cstrong\u003efan belt\u003c\/strong\u003e and should not be confused with the separate belt used for the alternator, power steering, A\/C, and air compressor.\u003c\/p\u003e\n\n\u003ch2\u003eFleetRunner Heavy-Duty Construction\u003c\/h2\u003e\n\n\u003cp\u003eGates FleetRunner Micro-V belts are engineered for demanding commercial vehicle applications. The K100643HD uses durable \u003cstrong\u003eEPDM construction\u003c\/strong\u003e designed to withstand prolonged exposure to heat, oil, coolant, ozone, and other conditions commonly found in heavy-duty engine compartments.\u003c\/p\u003e\n\n\u003cp\u003eThe heavy-duty construction provides flexibility, stability, load-carrying capability, and resistance to cracking and wear. Gates also recommends inspecting the belt tensioner when replacing a serpentine belt to help prevent premature belt failure.\u003c\/p\u003e\n\n\u003ch2\u003eOEM \u0026amp; Cross Reference Numbers\u003c\/h2\u003e\n\n\u003cp\u003eCommon cross-reference numbers for the Gates K100643HD include \u003cstrong\u003eFreightliner 0131893635\u003c\/strong\u003e, \u003cstrong\u003eFreightliner 0132731635\u003c\/strong\u003e, \u003cstrong\u003eFreightliner 01-35625-635\u003c\/strong\u003e, \u003cstrong\u003eContinental 4100642FX\u003c\/strong\u003e, \u003cstrong\u003eContinental 4100644X\u003c\/strong\u003e, \u003cstrong\u003eDayco 5100640\u003c\/strong\u003e, \u003cstrong\u003eGoodyear 4100642 \/ 4100642F\u003c\/strong\u003e, and \u003cstrong\u003eNAPA 25-100643HD\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eMercedes-Benz cross-reference numbers associated with this belt include \u003cstrong\u003eA4719933496\u003c\/strong\u003e, \u003cstrong\u003eA4729930596\u003c\/strong\u003e, \u003cstrong\u003eA4729931396\u003c\/strong\u003e, \u003cstrong\u003eA4729931996\u003c\/strong\u003e, and \u003cstrong\u003eA4729932696\u003c\/strong\u003e. Verify the specific OEM number against the truck's VIN and belt-drive configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Gates K100643HD?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for Detroit Diesel DD15 fan applications\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty FleetRunner Micro-V construction\u003c\/li\u003e\n  \u003cli\u003e10-rib K-section belt\u003c\/li\u003e\n  \u003cli\u003eEPDM construction for demanding engine environments\u003c\/li\u003e\n  \u003cli\u003e64.44-inch effective length\u003c\/li\u003e\n  \u003cli\u003eDesigned for long service life and reduced downtime\u003c\/li\u003e\n  \u003cli\u003eExcellent replacement option for heavy-duty fleet applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Verify the truck's engine model, fan-drive configuration, existing belt dimensions, and OEM belt number before ordering. The DD15 uses different accessory-drive belts depending on the application.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67496127987757,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/Untitled_-_September_24_2026_at_21.33.17_1.png?v=1790307490"},{"product_id":"gates-k081059hd-detroit-dd15-ac-water-pump-alternator-belt","title":"Gates K081059HD | Detroit DD15 A\/C, Water Pump \u0026 Alternator Belt","description":"\u003ch2\u003eGates K081059HD Detroit DD15 A\/C, Water Pump \u0026amp; Alternator Belt\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGates K081059HD\u003c\/strong\u003e is a FleetRunner Heavy-Duty Micro-V serpentine belt designed for the \u003cstrong\u003eDetroit Diesel DD15 accessory drive\u003c\/strong\u003e. This 8-rib belt is used on compatible DD15 applications to drive the \u003cstrong\u003eA\/C compressor, water pump, and alternator\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with heavy-duty EPDM construction and polyester cord, the K081059HD is engineered to withstand the heat, load, and demanding operating conditions found in commercial diesel engines. It is an excellent replacement choice for Freightliner Cascadia and other compatible Detroit DD15 applications.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gates\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K081059HD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e FleetRunner Heavy-Duty Micro-V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Detroit Diesel DD15 accessory drive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Components:\u003c\/strong\u003e A\/C, Water Pump \u0026amp; Alternator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Type:\u003c\/strong\u003e Heavy-Duty V-Ribbed \/ Serpentine Belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRib Count:\u003c\/strong\u003e 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSection:\u003c\/strong\u003e K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 105.94 in. \/ 2691 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 106.5 in. \/ 2705 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1.087 in. \/ 28 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCord Material:\u003c\/strong\u003e Polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e OE Improved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDetroit DD15 Accessory Belt Application\u003c\/h2\u003e\n\n\u003cp\u003eThe Gates K081059HD is cataloged for \u003cstrong\u003eDetroit Diesel DD15\u003c\/strong\u003e applications, including Freightliner Cascadia. Application data identifies this belt for the DD15 A\/C and accessory drive. Depending on the engine and truck configuration, the belt drives the A\/C compressor, water pump, and alternator.\u003c\/p\u003e\n\n\u003cp\u003eGates catalog data lists the K081059HD for Freightliner Cascadia applications with the Detroit DD15, including model years within the 2012–2019 range in its heavy-duty catalog. Other vehicle catalogs may list additional compatible DD15 applications.\u003c\/p\u003e\n\n\u003ch2\u003eFleetRunner Heavy-Duty Construction\u003c\/h2\u003e\n\n\u003cp\u003eGates FleetRunner Heavy-Duty Micro-V belts are engineered for demanding commercial vehicle applications. The K081059HD uses durable \u003cstrong\u003eEPDM construction\u003c\/strong\u003e designed to resist cracking and wear while maintaining flexibility, stability, and load-carrying capability at prolonged operating temperatures.\u003c\/p\u003e\n\n\u003cp\u003eThe belt is designed to provide dependable power transfer across the accessory drive while helping fleets reduce maintenance and unplanned downtime.\u003c\/p\u003e\n\n\u003ch2\u003eOEM \u0026amp; Cross Reference Numbers\u003c\/h2\u003e\n\n\u003cp\u003eCommon cross-reference numbers for the Gates K081059HD include \u003cstrong\u003eDetroit Diesel A4729932296\u003c\/strong\u003e, \u003cstrong\u003eA4729933296\u003c\/strong\u003e, and \u003cstrong\u003eA4729933496\u003c\/strong\u003e; \u003cstrong\u003eFreightliner 0132732691\u003c\/strong\u003e and \u003cstrong\u003e4729933496\u003c\/strong\u003e; \u003cstrong\u003eContinental 4081060 \/ 4081060X\u003c\/strong\u003e; \u003cstrong\u003eDayco 5081059\u003c\/strong\u003e; \u003cstrong\u003eGoodyear 1081059\u003c\/strong\u003e; \u003cstrong\u003eACDelco 8K1059\u003c\/strong\u003e; and \u003cstrong\u003eNAPA 25-081059 \/ 25-081059HD\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eMetric equivalent designations include \u003cstrong\u003e8PK2691\u003c\/strong\u003e. Cross-reference numbers should be verified against the specific truck, engine configuration, and existing belt before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Gates K081059HD?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for Detroit Diesel DD15 accessory-drive applications\u003c\/li\u003e\n  \u003cli\u003eDrives compatible A\/C, water pump, and alternator configurations\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty FleetRunner Micro-V construction\u003c\/li\u003e\n  \u003cli\u003e8-rib K-section design\u003c\/li\u003e\n  \u003cli\u003e105.94-inch effective length\u003c\/li\u003e\n  \u003cli\u003eEPDM construction for heat and wear resistance\u003c\/li\u003e\n  \u003cli\u003eOE Improved grade\u003c\/li\u003e\n  \u003cli\u003eDesigned for demanding heavy-duty truck applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment Note\u003c\/h2\u003e\n\n\u003cp\u003eAlways verify the truck's \u003cstrong\u003eengine model, accessory-drive configuration, belt routing, rib count, and existing belt dimensions\u003c\/strong\u003e before ordering. DD15 trucks can use different belt configurations depending on the vehicle and accessory setup.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67496133656621,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/Untitled_-_September_24_2026_at_21.39.44.png?v=1790307659"},{"product_id":"gates-k120640hd-volvo-d13-fan-belt","title":"Gates K120640HD | Volvo D13 Fan Belt","description":"\u003ch2\u003eGates K120640HD Volvo D13 Fan Belt\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGates K120640HD\u003c\/strong\u003e is a FleetRunner Heavy-Duty Micro-V belt designed for the \u003cstrong\u003eVolvo D13 diesel engine fan drive\u003c\/strong\u003e. This 12-rib heavy-duty serpentine belt is engineered for demanding commercial truck applications and provides reliable power transfer in high-temperature engine environments.\u003c\/p\u003e\n\n\u003cp\u003eThe K120640HD is specifically cataloged for \u003cstrong\u003eVolvo D13 fan applications\u003c\/strong\u003e, including Volvo VN Series trucks. Its heavy-duty EPDM construction is designed to resist cracking, wear, heat, oil, and other conditions commonly encountered in heavy-duty diesel engine compartments.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gates\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K120640HD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e FleetRunner Heavy-Duty Micro-V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Volvo D13 Fan Drive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Type:\u003c\/strong\u003e Heavy-Duty V-Ribbed \/ Serpentine Belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRib Count:\u003c\/strong\u003e 12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSection:\u003c\/strong\u003e K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 64.07 in. \/ 1627 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e 64.625 in. \/ 1641 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1.647 in. \/ 42 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Heavy-Duty \/ FleetRunner\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eVolvo D13 Fan Belt Application\u003c\/h2\u003e\n\n\u003cp\u003eThe Gates K120640HD is cataloged as a \u003cstrong\u003efan belt for Volvo D13 diesel engines\u003c\/strong\u003e. Gates application data identifies it for Volvo VN Series applications, including D13-powered trucks.\u003c\/p\u003e\n\n\u003cp\u003eApplication catalogs also identify \u003cstrong\u003eVolvo OEM 20582557\u003c\/strong\u003e as a cross-reference for the K120640HD fan belt. Always verify the truck's engine and belt-drive configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eFleetRunner Heavy-Duty Construction\u003c\/h2\u003e\n\n\u003cp\u003eGates FleetRunner Micro-V belts are engineered for demanding heavy-duty applications. The K120640HD features Gates heavy-duty construction with EPDM material designed to provide flexibility, stability, load-carrying capacity, and extended belt life.\u003c\/p\u003e\n\n\u003cp\u003eThe belt's construction is designed to withstand prolonged operating temperatures while resisting cracking and wear. The undercord notch pattern also provides increased flexibility around smaller-diameter pulleys.\u003c\/p\u003e\n\n\u003ch2\u003eOEM \u0026amp; Cross Reference Numbers\u003c\/h2\u003e\n\n\u003cp\u003eCommon cross-reference numbers for Gates K120640HD include \u003cstrong\u003eVolvo 20582557\u003c\/strong\u003e, \u003cstrong\u003eVolvo 20582565\u003c\/strong\u003e, \u003cstrong\u003eMack 23961839\u003c\/strong\u003e, \u003cstrong\u003eContinental 4120640 \/ 4120640X\u003c\/strong\u003e, \u003cstrong\u003eDayco 5120640\u003c\/strong\u003e, \u003cstrong\u003eGoodyear 1120640\u003c\/strong\u003e, \u003cstrong\u003eCummins 3098364 \/ 3098371 \/ 3098746 \/ 3098758\u003c\/strong\u003e, and \u003cstrong\u003eNAPA 25-120640HD\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eMetric cross-reference designations include \u003cstrong\u003e12PK1624\u003c\/strong\u003e, \u003cstrong\u003e12PK1625\u003c\/strong\u003e, \u003cstrong\u003e12PK1626\u003c\/strong\u003e, \u003cstrong\u003e12PK1627\u003c\/strong\u003e, \u003cstrong\u003e12PK1628\u003c\/strong\u003e, \u003cstrong\u003e12PK1629\u003c\/strong\u003e, and \u003cstrong\u003e12PK1630\u003c\/strong\u003e. Cross-reference numbers should be verified against the specific vehicle and application before installation.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Gates K120640HD?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for Volvo D13 fan applications\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty Gates FleetRunner construction\u003c\/li\u003e\n  \u003cli\u003e12-rib K-section design\u003c\/li\u003e\n  \u003cli\u003e64.07-inch effective length\u003c\/li\u003e\n  \u003cli\u003e1.647-inch top width\u003c\/li\u003e\n  \u003cli\u003eEPDM construction for heat and wear resistance\u003c\/li\u003e\n  \u003cli\u003eDesigned for demanding commercial truck applications\u003c\/li\u003e\n  \u003cli\u003eExcellent replacement option for Volvo D13 fan-drive applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment Note\u003c\/h2\u003e\n\n\u003cp\u003eAlways verify the truck's \u003cstrong\u003eengine model, fan-drive configuration, belt routing, rib count, and existing belt dimensions\u003c\/strong\u003e before ordering. Volvo D13 trucks can have different accessory and belt configurations depending on the vehicle and model year.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67496145027117,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/Untitled_-_September_24_2026_at_21.46.17.png?v=1790308015"},{"product_id":"gates-k080630hd-volvo-d13-alternator-belt","title":"Gates K080630HD | Volvo D13 Alternator Belt","description":"\u003ch2\u003eGates K080630HD Volvo D13 Alternator Belt\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGates K080630HD\u003c\/strong\u003e is a FleetRunner Heavy-Duty Micro-V serpentine belt designed for compatible \u003cstrong\u003eVolvo D13 diesel engine alternator applications\u003c\/strong\u003e. This heavy-duty belt is engineered to provide dependable power transfer and long service life in demanding commercial truck environments.\u003c\/p\u003e\n\n\u003cp\u003eThe K080630HD is designed for the accessory drive on compatible Volvo D13 applications and is commonly used for the \u003cstrong\u003ealternator and A\/C drive\u003c\/strong\u003e. Its heavy-duty EPDM construction is designed to withstand heat, flexing, and the demanding operating conditions found in heavy-duty diesel engine compartments.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gates\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e K080630HD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e FleetRunner Heavy-Duty Micro-V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Volvo D13 Accessory \/ Alternator Drive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Type:\u003c\/strong\u003e Heavy-Duty V-Ribbed \/ Serpentine Belt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRib Count:\u003c\/strong\u003e 8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSection:\u003c\/strong\u003e K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffective Length:\u003c\/strong\u003e 62.99 in. \/ 1600 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Circumference:\u003c\/strong\u003e Approximately 63.57 in. \/ 1615 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop Width:\u003c\/strong\u003e 1.087 in. \/ 28 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e EPDM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCord Material:\u003c\/strong\u003e Polyester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e Heavy-Duty \/ FleetRunner\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eVolvo D13 Alternator Belt Application\u003c\/h2\u003e\n\n\u003cp\u003eThe Gates K080630HD is cataloged for \u003cstrong\u003eVolvo D13 diesel engine applications\u003c\/strong\u003e, including Volvo VN Series trucks. It is used in compatible accessory-drive configurations involving the alternator and A\/C system.\u003c\/p\u003e\n\n\u003cp\u003eBecause Volvo D13 trucks can have different accessory-drive configurations, always compare the existing belt, rib count, belt routing, and vehicle application before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eFleetRunner Heavy-Duty Construction\u003c\/h2\u003e\n\n\u003cp\u003eGates FleetRunner Heavy-Duty Micro-V belts are engineered for demanding commercial vehicle applications. The K080630HD features durable \u003cstrong\u003eEPDM construction\u003c\/strong\u003e designed to provide flexibility, stability, and resistance to heat and wear.\u003c\/p\u003e\n\n\u003cp\u003eThe belt is designed to maintain reliable power transfer through the accessory drive while helping reduce belt-related maintenance and unexpected vehicle downtime.\u003c\/p\u003e\n\n\u003ch2\u003eOEM \u0026amp; Cross Reference Numbers\u003c\/h2\u003e\n\n\u003cp\u003eCommon cross-reference numbers associated with Gates K080630HD include \u003cstrong\u003eVolvo 20582556\u003c\/strong\u003e, \u003cstrong\u003eMack 23961838\u003c\/strong\u003e, \u003cstrong\u003eContinental 4080630\u003c\/strong\u003e, \u003cstrong\u003eDayco 5080630\u003c\/strong\u003e, \u003cstrong\u003eGoodyear 1080630\u003c\/strong\u003e, and \u003cstrong\u003eNAPA 25-080630HD\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eCross-reference numbers can vary by vehicle configuration. Verify the specific OEM number and belt routing against the truck before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Gates K080630HD?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for compatible Volvo D13 accessory-drive applications\u003c\/li\u003e\n  \u003cli\u003eSuitable for alternator and A\/C drive configurations\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty Gates FleetRunner Micro-V construction\u003c\/li\u003e\n  \u003cli\u003e8-rib K-section design\u003c\/li\u003e\n  \u003cli\u003e62.99-inch effective length\u003c\/li\u003e\n  \u003cli\u003eEPDM construction for demanding engine environments\u003c\/li\u003e\n  \u003cli\u003eDesigned for reliable power transfer and long service life\u003c\/li\u003e\n  \u003cli\u003eExcellent replacement option for heavy-duty Volvo truck applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFitment Note\u003c\/h2\u003e\n\n\u003cp\u003eAlways verify the truck's \u003cstrong\u003eengine model, model year, accessory configuration, belt routing, rib count, and existing belt dimensions\u003c\/strong\u003e before ordering. Volvo D13 applications may use different belts depending on the vehicle and accessory-drive configuration.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":67496166817837,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/Untitled_-_September_24_2026_at_21.48.24.png?v=1790308138"},{"product_id":"odyssey-odx-agm31-group-31-agm-battery","title":"ODYSSEY ODX-AGM31 | Group 31 Extreme Series AGM Battery – 1150 CCA","description":"\u003ch2\u003eODYSSEY ODX-AGM31 | Group 31 Extreme Series AGM Battery\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eODYSSEY ODX-AGM31\u003c\/strong\u003e is a Group 31 Extreme Series AGM battery engineered for demanding commercial, heavy-duty, fleet, agricultural, and industrial applications. Built using \u003cstrong\u003eThin Plate Pure Lead (TPPL) AGM technology\u003c\/strong\u003e, the ODX-AGM31 combines high starting power with deep-cycle capability in a rugged, non-spillable battery design.\u003c\/p\u003e\n\n\u003cp\u003eWith \u003cstrong\u003e1,150 CCA\u003c\/strong\u003e and \u003cstrong\u003e2,150 PHCA\u003c\/strong\u003e, the ODX-AGM31 delivers the high starting power required by heavy-duty diesel engines while providing 103 Ah of nominal capacity and up to 220 minutes of reserve capacity.\u003c\/p\u003e\n\n\u003ch2\u003eODYSSEY ODX-AGM31 Features\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGroup 31 heavy-duty battery\u003c\/li\u003e\n  \u003cli\u003e12-volt AGM battery\u003c\/li\u003e\n  \u003cli\u003eThin Plate Pure Lead (TPPL) technology\u003c\/li\u003e\n  \u003cli\u003e1,150 Cold Cranking Amps (CCA)\u003c\/li\u003e\n  \u003cli\u003e2,150 Pulse Hot Cranking Amps (PHCA)\u003c\/li\u003e\n  \u003cli\u003e1,545 Hot Cranking Amps (HCA)\u003c\/li\u003e\n  \u003cli\u003e1,370 Marine Cranking Amps (MCA)\u003c\/li\u003e\n  \u003cli\u003e103 Ah nominal capacity at 20-hour rate\u003c\/li\u003e\n  \u003cli\u003e98 Ah nominal capacity at 10-hour rate\u003c\/li\u003e\n  \u003cli\u003e220 minutes reserve capacity\u003c\/li\u003e\n  \u003cli\u003e3\/8\"-16 stainless steel stud terminals\u003c\/li\u003e\n  \u003cli\u003eNon-spillable AGM construction\u003c\/li\u003e\n  \u003cli\u003eDesigned for engine starting and deep-cycle applications\u003c\/li\u003e\n  \u003cli\u003eRugged construction for demanding operating environments\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range of -40°F to 176°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGroup 31 AGM Battery for Heavy-Duty Diesel Trucks\u003c\/h2\u003e\n\n\u003cp\u003eThe ODYSSEY ODX-AGM31 is designed for commercial vehicles that demand substantial starting power and dependable battery performance. Its Group 31 footprint makes it suitable for many heavy-duty truck, fleet, agricultural, construction, and industrial battery applications that specify a Group 31 battery.\u003c\/p\u003e\n\n\u003cp\u003eThe TPPL AGM design uses pure lead plates tightly packed into the battery to provide high power density and resistance to the shock and vibration associated with demanding vehicle applications.\u003c\/p\u003e\n\n\u003ch2\u003eHigh Starting Power for Diesel Engines\u003c\/h2\u003e\n\n\u003cp\u003eDiesel engines require significant electrical power during starting, particularly in cold-weather conditions. The ODX-AGM31 provides \u003cstrong\u003e1,150 CCA\u003c\/strong\u003e and \u003cstrong\u003e2,150 PHCA\u003c\/strong\u003e to deliver substantial starting power for heavy-duty applications.\u003c\/p\u003e\n\n\u003cp\u003eThe battery also provides \u003cstrong\u003e103 Ah of nominal capacity\u003c\/strong\u003e and \u003cstrong\u003e220 minutes of reserve capacity\u003c\/strong\u003e, providing additional electrical energy for vehicle systems and accessories when required.\u003c\/p\u003e\n\n\u003ch2\u003eAGM \u0026amp; TPPL Battery Construction\u003c\/h2\u003e\n\n\u003cp\u003eThe ODX-AGM31 uses \u003cstrong\u003eAbsorbed Glass Mat (AGM)\u003c\/strong\u003e construction combined with ODYSSEY Thin Plate Pure Lead technology. AGM construction makes the battery non-spillable and helps it withstand vibration and demanding installation environments.\u003c\/p\u003e\n\n\u003cp\u003eODYSSEY states that its Extreme Series batteries are designed to provide high starting power, rapid recovery, and durability for commercial and heavy-duty applications.\u003c\/p\u003e\n\n\u003ch2\u003eODYSSEY ODX-AGM31 Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eODYSSEY\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eODX-AGM31\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eBattery Series\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eExtreme Series\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eGroup Size\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e31\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e12V\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003ePHCA\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e2,150 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eCCA\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1,150 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eHCA\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1,545 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eMCA\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1,370 A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003e20-Hour Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e103 Ah\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003e10-Hour Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e98 Ah\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eReserve Capacity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e220 minutes\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e13.0 in.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e6.8 in.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eTotal Height\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e9.5 in.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eContainer Height\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e8.5 in.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e77.8 lbs.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eTerminal\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e3\/8\"-16 Stud\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eInternal Resistance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e2.2 mΩ\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eTPPL AGM\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eHeavy-Duty Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eClass 8 trucks\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty diesel trucks\u003c\/li\u003e\n  \u003cli\u003eFreightliner trucks\u003c\/li\u003e\n  \u003cli\u003ePeterbilt trucks\u003c\/li\u003e\n  \u003cli\u003eKenworth trucks\u003c\/li\u003e\n  \u003cli\u003eInternational trucks\u003c\/li\u003e\n  \u003cli\u003eVolvo trucks\u003c\/li\u003e\n  \u003cli\u003eMack trucks\u003c\/li\u003e\n  \u003cli\u003eWestern Star trucks\u003c\/li\u003e\n  \u003cli\u003eFleet vehicles\u003c\/li\u003e\n  \u003cli\u003eAgricultural equipment\u003c\/li\u003e\n  \u003cli\u003eConstruction equipment\u003c\/li\u003e\n  \u003cli\u003eIndustrial equipment\u003c\/li\u003e\n  \u003cli\u003eOther vehicles requiring a Group 31 AGM battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eODYSSEY Extreme Series Battery\u003c\/h2\u003e\n\n\u003cp\u003eThe ODX-AGM31 is part of the \u003cstrong\u003eODYSSEY Extreme Series\u003c\/strong\u003e, which is designed for applications requiring high starting power and durable battery construction. ODYSSEY lists the battery as a dual-purpose design capable of supporting both engine starting and deep-cycle use.\u003c\/p\u003e\n\n\u003cp\u003eThe battery's rugged construction is designed to withstand vibration and demanding operating conditions commonly encountered in commercial vehicles and equipment.\u003c\/p\u003e\n\n\u003ch2\u003eFitment Note\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eVerify the vehicle's required battery group size, terminal configuration, physical dimensions, polarity, and charging system before ordering.\u003c\/strong\u003e The ODX-AGM31 uses 3\/8\"-16 stud terminals and measures approximately 13.0 x 6.8 x 9.5 inches. ODYSSEY also offers other Group 31 configurations, including the ODX-AGM31A with SAE terminals and the ODX-AGM31R with a different terminal layout.\u003c\/p\u003e\n\n\u003cp\u003eAlways replace batteries with the correct configuration specified by the vehicle or equipment manufacturer.\u003c\/p\u003e","brand":"ODYSSEY","offers":[{"title":"Default Title","offer_id":67576348442669,"sku":null,"price":989.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/ODY_ODX-AGM31_Front_Asset_1.jpg?v=1790311035"},{"product_id":"optima-d31t-yellowtop-group-31-agm-battery-900cca","title":"OPTIMA D31T | YELLOWTOP Group 31 AGM Battery 900 CCA – Heavy Duty OTR","description":"\n\u003ch2\u003eOPTIMA D31T YELLOWTOP Group 31 AGM Battery – 900 CCA Heavy Duty OTR\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eOPTIMA D31T YELLOWTOP\u003c\/strong\u003e is a premium 12-volt, Group 31 AGM battery engineered to deliver dependable engine starting power and deep-cycle performance in demanding heavy-duty truck and commercial vehicle applications. Featuring 900 cold cranking amps, 1,125 cranking amps, and OPTIMA's patented SPIRALCELL TECHNOLOGY, the D31T provides a powerful combination of starting performance, cycling capability, and vibration resistance.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for vehicles with demanding electrical requirements, the \u003cstrong\u003eOPTIMA YELLOWTOP D31T\u003c\/strong\u003e is an excellent battery option for compatible semi trucks, Class 8 commercial vehicles, over-the-road tractors, construction equipment, agricultural machinery, and other heavy-duty applications requiring a Group 31 battery with threaded stud terminals.\u003c\/p\u003e\n\n\u003ch2\u003eOPTIMA D31T Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e900 Cold Cranking Amps (CCA)\u003c\/strong\u003e for dependable diesel engine starting power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,125 Cranking Amps (CA)\u003c\/strong\u003e at 32°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e75 Amp-Hour Capacity\u003c\/strong\u003e at the 20-hour rate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e155-Minute Reserve Capacity\u003c\/strong\u003e at a 25-amp discharge rate\u003c\/li\u003e\n\u003cli\u003eDual-purpose starting and deep-cycle battery design\u003c\/li\u003e\n\u003cli\u003eAbsorbent Glass Mat (AGM) battery technology\u003c\/li\u003e\n\u003cli\u003ePatented OPTIMA SPIRALCELL TECHNOLOGY\u003c\/li\u003e\n\u003cli\u003eUp to 15 times more vibration resistance than conventional flooded batteries\u003c\/li\u003e\n\u003cli\u003eDesigned for repeated discharge and recharge cycles\u003c\/li\u003e\n\u003cli\u003eMaintenance-free, sealed battery construction\u003c\/li\u003e\n\u003cli\u003eSpill-resistant design for demanding operating environments\u003c\/li\u003e\n\u003cli\u003eLow internal resistance supports efficient power delivery and recharging\u003c\/li\u003e\n\u003cli\u003eGroup 31T configuration with 3\/8-inch threaded stud terminals\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible heavy-duty diesel and commercial equipment applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty AGM Battery for Semi Trucks \u0026amp; OTR Applications\u003c\/h2\u003e\n\n\u003cp\u003eOver-the-road semi trucks operate in demanding conditions involving continuous vibration, repeated engine starts, changing temperatures, and significant electrical loads. The \u003cstrong\u003eOPTIMA D31T Group 31 battery\u003c\/strong\u003e is designed to withstand demanding service conditions while delivering strong starting power and dependable electrical performance.\u003c\/p\u003e\n\n\u003cp\u003eIts AGM construction and SPIRALCELL design provide excellent vibration resistance, making it an attractive choice for compatible commercial trucks operating over long distances and rough road surfaces.\u003c\/p\u003e\n\n\u003cp\u003eThe D31T is suitable for properly specified battery systems in trucks manufactured by \u003cstrong\u003eFreightliner, Peterbilt, Kenworth, Volvo, Mack, International, Western Star, and other commercial vehicle manufacturers\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003e900 CCA Diesel Engine Starting Power\u003c\/h2\u003e\n\n\u003cp\u003eHeavy-duty diesel engines require substantial electrical power during starting, particularly in colder operating conditions. The OPTIMA D31T delivers \u003cstrong\u003e900 cold cranking amps at 0°F\u003c\/strong\u003e and 1,125 cranking amps at 32°F to support dependable engine starting.\u003c\/p\u003e\n\n\u003cp\u003eFor vehicles equipped with multiple starting batteries, always verify the required battery quantity, total cranking capacity, battery specifications, and manufacturer-approved electrical system configuration.\u003c\/p\u003e\n\n\u003ch2\u003eDeep-Cycle Performance for High Electrical Demands\u003c\/h2\u003e\n\n\u003cp\u003eUnlike conventional starting batteries designed primarily for short bursts of power, the \u003cstrong\u003eOPTIMA YELLOWTOP D31T\u003c\/strong\u003e combines starting capability with deep-cycle performance.\u003c\/p\u003e\n\n\u003cp\u003eThis dual-purpose design is especially valuable in compatible trucks and equipment with additional electrical loads, including lighting, communication equipment, electronic accessories, and other onboard electrical systems.\u003c\/p\u003e\n\n\u003cp\u003eThe battery's 75 Ah capacity and 155-minute reserve capacity provide a balance of engine starting performance and electrical energy storage.\u003c\/p\u003e\n\n\u003ch2\u003eOPTIMA SPIRALCELL TECHNOLOGY\u003c\/h2\u003e\n\n\u003cp\u003eOPTIMA's patented \u003cstrong\u003eSPIRALCELL TECHNOLOGY\u003c\/strong\u003e uses tightly wound cells and high-purity lead materials to provide reliable electrical performance and exceptional vibration resistance.\u003c\/p\u003e\n\n\u003cp\u003eCompared with conventional flooded batteries, the SPIRALCELL construction is designed to better withstand demanding environments involving vibration, shock, and repeated cycling.\u003c\/p\u003e\n\n\u003cp\u003eFor commercial truck operators, this technology offers a premium alternative to traditional flooded Group 31 batteries when the vehicle's electrical system and battery specifications are compatible.\u003c\/p\u003e\n\n\u003ch2\u003eMaintenance-Free AGM Battery Construction\u003c\/h2\u003e\n\n\u003cp\u003eThe OPTIMA D31T uses sealed \u003cstrong\u003eAbsorbent Glass Mat (AGM)\u003c\/strong\u003e technology, eliminating the need for routine electrolyte watering associated with conventional flooded lead-acid batteries.\u003c\/p\u003e\n\n\u003cp\u003eIts low-maintenance construction makes it a convenient option for commercial fleets, owner-operators, diesel repair shops, and equipment operators looking to reduce routine battery maintenance.\u003c\/p\u003e\n\n\u003ch2\u003eOPTIMA D31T Heavy-Duty Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eOver-the-road semi trucks\u003c\/li\u003e\n\u003cli\u003eClass 8 commercial trucks\u003c\/li\u003e\n\u003cli\u003eHeavy-duty diesel trucks\u003c\/li\u003e\n\u003cli\u003eCommercial fleet vehicles\u003c\/li\u003e\n\u003cli\u003eDay cab and sleeper cab tractors\u003c\/li\u003e\n\u003cli\u003eConstruction equipment\u003c\/li\u003e\n\u003cli\u003eAgricultural machinery\u003c\/li\u003e\n\u003cli\u003eIndustrial equipment\u003c\/li\u003e\n\u003cli\u003eVehicles with high electrical accessory demands\u003c\/li\u003e\n\u003cli\u003eCompatible Group 31T battery installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOPTIMA D31T Battery Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OPTIMA Batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e D31T YELLOWTOP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 8050-160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Dual-Purpose Starting \/ Deep-Cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Technology:\u003c\/strong\u003e AGM (Absorbent Glass Mat)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBCI Group Size:\u003c\/strong\u003e 31T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12 Volts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Cranking Amps:\u003c\/strong\u003e 900 CCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCranking Amps:\u003c\/strong\u003e 1,125 CA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmp-Hour Capacity:\u003c\/strong\u003e 75 Ah (C20)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReserve Capacity:\u003c\/strong\u003e 155 Minutes at 25 Amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e 3\/8\"-16 Threaded Stud\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 12.81 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6.56 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9.38 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 59.8 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Color:\u003c\/strong\u003e Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Color:\u003c\/strong\u003e Yellow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e OPTIMA SPIRALCELL\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGroup 31T Battery Fitment \u0026amp; Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eThe OPTIMA D31T is designed for applications requiring a \u003cstrong\u003e12V Group 31 battery with 3\/8-inch threaded stud terminals\u003c\/strong\u003e. It is not automatically interchangeable with every Group 31 battery or every heavy-duty commercial truck battery.\u003c\/p\u003e\n\n\u003cp\u003eBefore ordering, verify the battery's physical dimensions, terminal configuration, cold cranking requirements, reserve capacity, hold-down compatibility, charging system, and vehicle manufacturer's battery specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e For trucks using multiple batteries connected in parallel or series, follow the vehicle manufacturer's requirements for matching battery type, age, capacity, and condition. Use an AGM-compatible charging system and observe all manufacturer installation and safety instructions.\u003c\/p\u003e\n","brand":"OPTIMA","offers":[{"title":"Default Title","offer_id":67634484183085,"sku":null,"price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/orly_yel31t_303_con.jpg?v=1791616147"},{"product_id":"otr-otrd1369-adb22x-sk7-air-disc-brake-pads","title":"OTR OTRD1369 | ADB22X \/ SK7 Air Disc Brake Pads – Heavy Duty","description":"\n\u003ch2\u003eOTR OTRD1369 ADB22X \/ SK7 Air Disc Brake Pad Kit\u003c\/h2\u003e\n\n\u003cp\u003eMaintain dependable braking performance with the \u003cstrong\u003eOTR OTRD1369 Air Disc Brake Pad Kit\u003c\/strong\u003e, designed for compatible \u003cstrong\u003eBendix ADB22X and Knorr-Bremse SK7 air disc brake systems\u003c\/strong\u003e found on heavy-duty commercial trucks and trailers.\u003c\/p\u003e\n\n\u003cp\u003eEngineered for demanding commercial vehicle applications, these heavy-duty air disc brake pads feature a copper-free friction formulation, mechanically secured friction material, and post-cured construction to support reliable braking performance and durability.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're servicing a semi truck, maintaining a commercial fleet, or replacing worn air disc brake pads, the \u003cstrong\u003eOTR D1369 brake pad kit\u003c\/strong\u003e provides an aftermarket replacement option for properly matched ADB22X and SK7 caliper applications.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTRD1369 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eADB22X \/ SK7 Compatibility:\u003c\/strong\u003e Designed for compatible Bendix ADB22X and Knorr-Bremse SK7 air disc brake calipers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Friction Material:\u003c\/strong\u003e Engineered for demanding commercial truck and trailer braking applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCopper-Free Formulation:\u003c\/strong\u003e Designed to minimize rotor wear while delivering reliable braking performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanically Attached Friction Material:\u003c\/strong\u003e Provides increased shear strength to help prevent friction material separation from the backing plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-Cured Construction:\u003c\/strong\u003e Pads are post-cured and treated with aluminum oxide to reduce the initial break-in period.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFMVSS 121 Performance Requirements:\u003c\/strong\u003e Manufacturer literature identifies compliance with applicable requirements, including reduced stopping distance mandates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR90 Performance Requirements:\u003c\/strong\u003e Listed as meeting R90 specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Wear Testing:\u003c\/strong\u003e Manufacturer reports reduced pad wear and friction material loss compared with multiple OE edge-code products tested.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Service Kit:\u003c\/strong\u003e Includes brake pads and associated replacement hardware for one compatible axle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Air Disc Brake Pads for Semi Trucks\u003c\/h2\u003e\n\n\u003cp\u003eAir disc brakes are widely used on modern commercial trucks and trailers because of their braking performance and serviceability. Maintaining proper brake pad thickness, rotor condition, and caliper operation is essential for safe vehicle operation.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR OTRD1369 air disc brake pads\u003c\/strong\u003e are designed for compatible heavy-duty air disc brake assemblies and are suitable for applications such as:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 commercial trucks\u003c\/li\u003e\n\u003cli\u003eOver-the-road semi trucks\u003c\/li\u003e\n\u003cli\u003eCommercial truck tractors\u003c\/li\u003e\n\u003cli\u003eHeavy-duty trailers with compatible air disc brakes\u003c\/li\u003e\n\u003cli\u003eFleet maintenance vehicles\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eCommercial transportation equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment depends on the installed brake caliper system, not the vehicle brand alone.\u003c\/strong\u003e Confirm the caliper model and original brake pad identification before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Bendix ADB22X \u0026amp; Knorr SK7 Brake Systems\u003c\/h2\u003e\n\n\u003cp\u003eThe OTRD1369 brake pad kit is designed for compatible \u003cstrong\u003eBendix ADB22X and Knorr-Bremse SK7\u003c\/strong\u003e air disc brake caliper systems using the D1369 pad configuration.\u003c\/p\u003e\n\n\u003cp\u003eThese caliper systems may be installed on various commercial trucks and trailers. The correct pad selection depends on the brake assembly, friction specification, and service requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This kit should not be assumed interchangeable with pads for Bendix SB7\/SN7, Meritor EX225, WABCO PAN, or other air disc brake systems simply because the vehicle uses air disc brakes.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTRD1369 Brake Pad Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe OTRD1369 is associated with the \u003cstrong\u003eFMSI 8479-D1369\u003c\/strong\u003e brake pad configuration. Common catalog cross references include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K070796\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K129276\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K109113\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e 802078\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MMD1369AF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e AD1369L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e 141D1369SD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTRD1369\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFMSI:\u003c\/strong\u003e 8479-D1369\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Note:\u003c\/strong\u003e Part numbers are provided for identification and interchange research. Brake pad friction formulations, hardware, and service requirements may vary. Confirm the correct replacement using the original part number and brake manufacturer's specifications.\u003c\/p\u003e\n\n\u003ch2\u003eCopper-Free Friction Material \u0026amp; Rotor Protection\u003c\/h2\u003e\n\n\u003cp\u003eThe OTRD1369 features a copper-free friction formulation designed to support dependable braking while minimizing rotor wear.\u003c\/p\u003e\n\n\u003cp\u003eThe friction material is mechanically attached to the backing plate to provide additional shear strength and help reduce the risk of friction material separation under demanding operating conditions.\u003c\/p\u003e\n\n\u003ch2\u003ePost-Cured Brake Pads for Reduced Initial Break-In\u003c\/h2\u003e\n\n\u003cp\u003eOTR air disc brake pads are post-cured and treated with aluminum oxide to help reduce the initial break-in period.\u003c\/p\u003e\n\n\u003cp\u003eAlways follow the brake system manufacturer's installation, inspection, and bedding procedures. 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Incorrect brake pads, damaged components, or improper installation can compromise braking performance. Always verify the correct application and complete all required inspections before returning the vehicle to service.\u003c\/p\u003e\n","brand":"OTR","offers":[{"title":"Default Title","offer_id":67678448189485,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/OTRD1369.jpg?v=1792044772"},{"product_id":"bendix-k297277-bx277-adb22x-air-disc-brake-pad-kit","title":"Bendix K297277 | BX277 ADB22X Air Disc Brake Pad Kit – Axle Set","description":"\n\u003ch2\u003eBendix K297277 BX277 Air Disc Brake Pad Kit – ADB22X\u003c\/h2\u003e\n\n\u003cp\u003eRestore dependable braking performance with the \u003cstrong\u003eBendix K297277 BX277 Air Disc Brake Pad Kit\u003c\/strong\u003e, a genuine Bendix replacement brake pad set designed for compatible \u003cstrong\u003eBendix ADB22X, ADB22X-V, and ADB22X-LT air disc brake systems\u003c\/strong\u003e used on heavy-duty commercial trucks and trailers.\u003c\/p\u003e\n\n\u003cp\u003ePart of the Bendix BX277 replacement friction lineup, this brake pad kit provides the components needed for a compatible axle brake pad service. Designed for demanding commercial vehicle operations, the K297277 is an excellent choice for fleet maintenance shops, diesel technicians, truck repair facilities, and owner-operators who want genuine Bendix brake components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSold as one axle-set brake pad kit.\u003c\/strong\u003e Verify the installed caliper model and original brake pad part number before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eBendix K297277 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Bendix Product:\u003c\/strong\u003e Original Bendix commercial vehicle braking system replacement components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBX277 Friction Series:\u003c\/strong\u003e Bendix replacement brake pad kit designed for compatible air disc brake systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADB22X Compatibility:\u003c\/strong\u003e Designed for approved Bendix ADB22X, ADB22X-V, and ADB22X-LT applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Braking Performance:\u003c\/strong\u003e Engineered for demanding commercial truck and trailer service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOE Replacement Design:\u003c\/strong\u003e Manufactured for proper fit and operation in approved Bendix brake assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Pad Retention Hardware:\u003c\/strong\u003e Includes applicable components identified in the Bendix axle-set service kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle-Set Packaging:\u003c\/strong\u003e Designed to service both wheel ends on one compatible axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Fleet Applications:\u003c\/strong\u003e Suitable for qualifying highway, regional, and vocational vehicle applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGenuine Bendix BX277 Air Disc Brake Pads\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBendix BX277 brake pad kit\u003c\/strong\u003e is designed to provide reliable replacement friction components for compatible Bendix air disc brake assemblies.\u003c\/p\u003e\n\n\u003cp\u003eAir disc brakes are widely used on modern commercial vehicles. Proper brake pad selection and installation help maintain the intended performance of the complete braking system.\u003c\/p\u003e\n\n\u003cp\u003eChoosing genuine Bendix replacement components helps ensure the brake pads are matched to the manufacturer's approved service application.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Bendix ADB22X Brake Systems\u003c\/h2\u003e\n\n\u003cp\u003eBendix identifies the K297277 as an axle-set brake pad service kit for compatible versions of the following air disc brake systems:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eBendix ADB22X\u003c\/li\u003e\n\u003cli\u003eBendix ADB22X-V\u003c\/li\u003e\n\u003cli\u003eBendix ADB22X-LT\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese systems may be installed on qualifying heavy-duty trucks and commercial trailers.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 commercial trucks\u003c\/li\u003e\n\u003cli\u003eOver-the-road semi trucks\u003c\/li\u003e\n\u003cli\u003eHeavy-duty truck tractors\u003c\/li\u003e\n\u003cli\u003eCommercial trailers\u003c\/li\u003e\n\u003cli\u003eRegional delivery trucks\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eCommercial fleet vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Vehicle make and model alone do not establish compatibility. Confirm the brake caliper model, brake pad configuration, and applicable Bendix service documentation before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eBendix K297277 Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe Bendix K297277 brake pad kit is associated with the D1369 brake pad family. Common catalog interchange references include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K297277\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix Retail Code:\u003c\/strong\u003e BWK297277\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K070796\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K129276\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e 802078\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFMSI:\u003c\/strong\u003e D1369 \/ 8479-D1369\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MMD1369AF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTRD1369\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Industry Reference:\u003c\/strong\u003e SSP1369HD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Cross-reference numbers are provided for identification and interchange research. Different brake pad kits may use different friction materials, performance characteristics, wear-sensing configurations, or included hardware. Verify the correct Bendix service kit for your specific brake system before installation.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included in the Bendix K297277 Kit?\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBendix K297277 BX277 Kit\u003c\/strong\u003e is supplied as an axle-set brake pad service kit. Bendix service documentation identifies the kit as containing replacement friction pads and the applicable brake pad retention and installation components for the specified brake assembly.\u003c\/p\u003e\n\n\u003cp\u003eThe kit is intended to service the brake pads on both wheel ends of one compatible axle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Brake rotors, calipers, and separately specified electronic wear-sensing components are not included as part of the standard K297277 kit. Applications requiring in-pad wear-sensing components may use a different Bendix service kit.\u003c\/p\u003e\n\n\u003ch2\u003eWhen Should You Replace Air Disc Brake Pads?\u003c\/h2\u003e\n\n\u003cp\u003eBrake pads should be inspected and replaced according to the brake manufacturer's wear limits and service procedures.\u003c\/p\u003e\n\n\u003cp\u003eCommon reasons for replacement include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFriction material reaching minimum allowable thickness\u003c\/li\u003e\n\u003cli\u003eUneven or excessive brake pad wear\u003c\/li\u003e\n\u003cli\u003eCracked or damaged friction material\u003c\/li\u003e\n\u003cli\u003eOil or grease contamination\u003c\/li\u003e\n\u003cli\u003eDamaged brake pad backing plates\u003c\/li\u003e\n\u003cli\u003eRotor damage caused by worn brake pads\u003c\/li\u003e\n\u003cli\u003eCaliper repairs requiring replacement friction components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDuring brake service, inspect the brake rotor, caliper guide mechanism, tappets, adjuster, pad retention hardware, and related components.\u003c\/p\u003e\n\n\u003ch2\u003eBendix K297277 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bendix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e K297277\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternate Retail Part Number:\u003c\/strong\u003e BWK297277\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e BX277\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Air Disc Brake Pad Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake System:\u003c\/strong\u003e Air Disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Brake Models:\u003c\/strong\u003e Bendix ADB22X, ADB22X-V, ADB22X-LT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Pad Family:\u003c\/strong\u003e D1369\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Catalog Dimensions:\u003c\/strong\u003e 8.26 x 4.21 x 1.18 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Configuration:\u003c\/strong\u003e Axle Set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compatible Heavy-Duty Trucks and Trailers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Axle-Set Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Brake System Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the \u003cstrong\u003eBendix K297277 brake pad kit\u003c\/strong\u003e, confirm the installed brake system and verify the correct replacement part using current Bendix service information.\u003c\/p\u003e\n\n\u003cp\u003eInspect the rotor, caliper, brake pad guide surfaces, adjustment mechanism, and retention components. Follow all applicable Bendix procedures for brake pad replacement, inspection, and return-to-service testing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial vehicle braking systems are safety-critical. Improper component selection, installation, or inspection may compromise braking performance. Brake service should be performed by qualified technicians following the manufacturer's instructions.\u003c\/p\u003e\n","brand":"Bendix","offers":[{"title":"Default Title","offer_id":67678470340653,"sku":null,"price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/K297277_BEN_1.jpg?v=1792045364"},{"product_id":"power-products-3030sb-gold-sealed-spring-brake-chamber","title":"Power Products 3030SB | Gold Sealed 30\/30 Spring Brake Chamber","description":"\n\u003ch2\u003ePower Products 3030SB Gold Sealed 30\/30 Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ePower Products 3030SB Gold Sealed Spring Brake Chamber\u003c\/strong\u003e is a heavy-duty Type 30\/30 combination air brake chamber designed for compatible commercial trucks and trailers. Built with a corrosion-resistant gold epoxy-coated steel housing, reinforced mounting studs, and protective dust shielding, this standard-stroke brake chamber is engineered for demanding highway and vocational applications.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003e2.5-inch standard stroke\u003c\/strong\u003e, Type 30 service chamber, and Type 30 spring parking brake chamber, the Power Products 3030SB combines service braking and spring-applied parking\/emergency braking functions in one assembly.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're replacing a leaking air brake chamber, servicing a commercial truck's braking system, or maintaining a fleet of heavy-duty vehicles, the \u003cstrong\u003e3030SB spring brake chamber\u003c\/strong\u003e provides a durable replacement option when its specifications match the original equipment.\u003c\/p\u003e\n\n\u003ch2\u003ePower Products 3030SB Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 30\/30 Combination Chamber:\u003c\/strong\u003e Combines service brake and spring parking brake functions in one assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 2.5-Inch Stroke:\u003c\/strong\u003e Designed for compatible standard-stroke air brake applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGold Epoxy-Coated Housing:\u003c\/strong\u003e Helps protect the steel chamber housing against rust and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxy-Coated Springs:\u003c\/strong\u003e Coated return and power springs provide additional corrosion protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Mounting Studs:\u003c\/strong\u003e Provide mounting rigidity and help resist damage during demanding service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Dust Shield:\u003c\/strong\u003e Helps keep dirt, sand, moisture, and other contaminants away from vulnerable components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Steel Construction:\u003c\/strong\u003e Built for demanding commercial vehicle operating environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE-Standard Fasteners:\u003c\/strong\u003e Fasteners are specified to meet applicable SAE tensile-strength requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed Spring Brake Design:\u003c\/strong\u003e Designed for durable operation in compatible heavy-duty air brake systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Truck \u0026amp; Trailer Applications:\u003c\/strong\u003e Suitable for properly matched Type 30\/30 brake assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty 30\/30 Spring Brake Chamber for Semi Trucks\u003c\/h2\u003e\n\n\u003cp\u003eA spring brake chamber is an essential part of a commercial vehicle's air braking system. Combination spring brake chambers perform two important functions:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Braking:\u003c\/strong\u003e Compressed air acts on the service diaphragm to apply the foundation brakes during normal braking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParking and Emergency Braking:\u003c\/strong\u003e A powerful internal spring applies the brakes when parking-brake release pressure is removed or insufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cstrong\u003ePower Products 3030SB\u003c\/strong\u003e is intended for compatible heavy-duty trucks and trailers equipped with Type 30\/30 standard-stroke spring brake chambers.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 semi trucks\u003c\/li\u003e\n\u003cli\u003eCommercial truck tractors\u003c\/li\u003e\n\u003cli\u003eHeavy-duty trailers\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eDump trucks\u003c\/li\u003e\n\u003cli\u003eFleet maintenance vehicles\u003c\/li\u003e\n\u003cli\u003eOther compatible air-brake-equipped commercial vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Fitment must be confirmed by the original brake chamber specifications, mounting configuration, pushrod requirements, and stroke designation. Vehicle make and model alone do not guarantee compatibility.\u003c\/p\u003e\n\n\u003ch2\u003eGold Epoxy Coating for Corrosion Protection\u003c\/h2\u003e\n\n\u003cp\u003eThe Power Products 3030SB features a gold epoxy-coated steel housing designed to help protect against corrosion caused by road moisture, dirt, and harsh operating environments.\u003c\/p\u003e\n\n\u003cp\u003eIts return and power springs are also epoxy coated, providing additional protection for internal spring components. This construction makes the chamber a practical choice for commercial vehicles exposed to demanding road conditions.\u003c\/p\u003e\n\n\u003ch2\u003eReinforced Mounting Studs \u0026amp; Protective Dust Shield\u003c\/h2\u003e\n\n\u003cp\u003eSecure mounting and contamination protection are important to long-term brake chamber performance.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e3030SB brake chamber\u003c\/strong\u003e incorporates reinforced mounting studs to improve rigidity and help prevent mounting-related damage. Its protective dust shield helps reduce the entry of road dirt, sand, and moisture.\u003c\/p\u003e\n\n\u003ch2\u003eStandard Stroke vs. Long Stroke Brake Chambers\u003c\/h2\u003e\n\n\u003cp\u003eThe Power Products 3030SB is a \u003cstrong\u003estandard-stroke Type 30\/30 brake chamber with a nominal 2.5-inch maximum stroke\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eStandard-stroke and long-stroke chambers are not automatically interchangeable. Long-stroke Type 30\/30 chambers may have different travel capabilities, identification markings, and application requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not substitute a standard-stroke chamber for a long-stroke chamber.\u003c\/strong\u003e Always verify the required stroke type before ordering.\u003c\/p\u003e\n\n\u003ch2\u003ePower Products 3030SB Cross References\u003c\/h2\u003e\n\n\u003cp\u003eCommon commercial truck parts catalog references associated with the Power Products 3030SB include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e 3030SB, 3030SB-PDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e 179.SB3030S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHaldex:\u003c\/strong\u003e 12500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMGM Brakes:\u003c\/strong\u003e 3430051, 3431051, 3531051\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEuclid:\u003c\/strong\u003e EGC3030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrote:\u003c\/strong\u003e 53132\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTR3030SB, OTR3030SB2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Catalog Reference:\u003c\/strong\u003e 3030C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Note:\u003c\/strong\u003e These numbers are provided for parts identification. Brake chamber specifications may vary between manufacturers and individual configurations. Verify stroke, mounting dimensions, pushrod length, clevis requirements, and original equipment specifications before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eBrake chamber problems should be inspected promptly because they can affect commercial vehicle braking performance.\u003c\/p\u003e\n\n\u003cp\u003eCommon signs that a brake chamber requires inspection or replacement include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAir leakage around the brake chamber\u003c\/li\u003e\n\u003cli\u003eFailure to release the parking brakes correctly\u003c\/li\u003e\n\u003cli\u003eAbnormal brake chamber pushrod movement\u003c\/li\u003e\n\u003cli\u003eCorrosion or visible damage to the chamber housing\u003c\/li\u003e\n\u003cli\u003eDamaged mounting studs or mounting hardware\u003c\/li\u003e\n\u003cli\u003eBrake application or release problems\u003c\/li\u003e\n\u003cli\u003eFailed air brake system inspections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eInspect the complete braking system to determine whether the issue is caused by the chamber, air lines, valves, slack adjuster, foundation brake components, or another related part.\u003c\/p\u003e\n\n\u003ch2\u003ePower Products 3030SB Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Power Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Gold Sealed Spring Brake Chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3030SB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog MPN:\u003c\/strong\u003e 3030SB-PDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Combination Spring Brake Chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber Size:\u003c\/strong\u003e Type 30\/30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Chamber Size:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Chamber Size:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Type:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Stroke:\u003c\/strong\u003e 2.50 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePushrod Length:\u003c\/strong\u003e 8.00 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Spacing:\u003c\/strong\u003e 4.75 Inches, Center to Center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Threads:\u003c\/strong\u003e 5\/8-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Housing Outer Diameter:\u003c\/strong\u003e 8.21 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing Construction:\u003c\/strong\u003e Heavy-Duty Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Gold Epoxy Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Springs:\u003c\/strong\u003e Epoxy-Coated Return and Power Springs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Compatible Heavy-Duty Truck and Trailer Air Brake Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Brake Chamber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Fitment Verification\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the \u003cstrong\u003ePower Products 3030SB\u003c\/strong\u003e, verify the original brake chamber size, stroke designation, mounting stud spacing, pushrod length, clevis configuration, and all applicable vehicle brake system requirements.\u003c\/p\u003e\n\n\u003cp\u003eBrake chamber pushrod length and adjustment must be determined according to the manufacturer's service procedure. Do not assume the replacement chamber can be installed without checking the complete brake linkage geometry.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Spring brake chambers contain a powerful compressed spring that can cause severe injury or death if improperly handled. Never cut, open, or attempt to disassemble the sealed spring brake housing. Follow the manufacturer's approved caging, removal, installation, and testing procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Required:\u003c\/strong\u003e Commercial vehicle air brake systems are safety-critical. Installation, inspection, and adjustment should be performed by qualified technicians following the vehicle and brake manufacturer's instructions.\u003c\/p\u003e\n","brand":"Power Products","offers":[{"title":"Default Title","offer_id":67678500159533,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/3030SB_P04_ANG.jpg?v=1792046098"},{"product_id":"otr-otr3030sb2-3030-standard-stroke-spring-brake-chamber","title":"OTR OTR3030SB2 | Type 30\/30 Standard Stroke Spring Brake Chamber","description":"\n\u003ch2\u003eOTR OTR3030SB2 Type 30\/30 Standard Stroke Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eMaintain dependable air brake system performance with the \u003cstrong\u003eOTR OTR3030SB2 Type 30\/30 Standard Stroke Spring Brake Chamber\u003c\/strong\u003e. Designed for compatible heavy-duty trucks and trailers, this combination spring brake chamber provides service braking and spring-applied parking brake functionality in a durable, corrosion-resistant assembly.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003e2.5-inch standard stroke, 8-inch pushrod, reinforced mounting studs, and epoxy-coated steel housing\u003c\/strong\u003e, the OTR3030SB2 is engineered for demanding commercial vehicle applications. Its heavy-duty construction makes it a practical replacement for worn, damaged, or leaking Type 30\/30 brake chambers when all installation specifications match.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This is a standard-stroke brake chamber, not a long-stroke model. Verify the original chamber configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTR3030SB2 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 30\/30 Combination Chamber:\u003c\/strong\u003e Combines normal service braking and spring-applied parking brake functions in one assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5-Inch Standard Stroke:\u003c\/strong\u003e Designed for compatible standard-stroke air brake systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-Inch Pushrod:\u003c\/strong\u003e Provides the specified pushrod configuration for properly matched brake applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpoxy-Coated Steel Housing:\u003c\/strong\u003e Non-pressure epoxy coating helps resist corrosion and rust in demanding road environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty 10-Gauge Housing:\u003c\/strong\u003e Durable construction for commercial truck and trailer service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Mounting Studs:\u003c\/strong\u003e Designed to provide mounting strength and rigidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc-Coated Clamp Bands:\u003c\/strong\u003e Matched-stamping construction helps maintain secure sealing and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-Welded Pushrod Plate:\u003c\/strong\u003e Thick steel pushrod plate engineered for strength and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Dust Shield:\u003c\/strong\u003e Helps keep dirt, sand, and moisture away from vulnerable brake chamber components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaging Bolt Included:\u003c\/strong\u003e Supplied with the manufacturer's specified caging bolt for approved service procedures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Year Limited Warranty:\u003c\/strong\u003e Listed manufacturer\/distributor warranty, subject to applicable terms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Type 30\/30 Air Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR3030SB2 spring brake chamber\u003c\/strong\u003e is a combination air brake actuator used in compatible commercial vehicle braking systems.\u003c\/p\u003e\n\n\u003cp\u003eIt performs two important functions:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Braking:\u003c\/strong\u003e Compressed air enters the service chamber and moves the diaphragm and pushrod to actuate the foundation brake system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParking and Emergency Braking:\u003c\/strong\u003e The internal power spring applies the parking brakes when release air pressure is removed or becomes insufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCorrect brake chamber sizing and installation are essential for maintaining proper brake operation and vehicle safety.\u003c\/p\u003e\n\n\u003ch2\u003eCommercial Truck \u0026amp; Trailer Applications\u003c\/h2\u003e\n\n\u003cp\u003eOTR Type 30\/30 spring brake chambers are used in various commercial vehicles equipped with compatible air-operated foundation brakes.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 semi trucks\u003c\/li\u003e\n\u003cli\u003eCommercial truck tractors\u003c\/li\u003e\n\u003cli\u003eHeavy-duty trailers\u003c\/li\u003e\n\u003cli\u003eDry van and flatbed trailers\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eDump trucks\u003c\/li\u003e\n\u003cli\u003eCommercial fleet vehicles\u003c\/li\u003e\n\u003cli\u003eOther vehicles using compatible Type 30\/30 standard-stroke spring brake assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Vehicle make, model, and axle position do not establish compatibility by themselves. Verify the original brake chamber size, stroke, pushrod length, mounting dimensions, and brake linkage requirements.\u003c\/p\u003e\n\n\u003ch2\u003eCorrosion-Resistant Epoxy-Coated Housing\u003c\/h2\u003e\n\n\u003cp\u003eCommercial truck brake components are routinely exposed to moisture, road salt, dirt, and debris. The OTR3030SB2 features a non-pressure epoxy-coated steel housing designed to help protect against long-term corrosion.\u003c\/p\u003e\n\n\u003cp\u003eThe zinc-coated clamp bands and protective dust shield provide additional protection against environmental contamination and support durable operation in heavy-duty service conditions.\u003c\/p\u003e\n\n\u003ch2\u003eReinforced Mounting Studs \u0026amp; Heavy-Duty Pushrod Plate\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR3030SB2 incorporates reinforced mounting studs to help resist mounting damage and maintain structural rigidity.\u003c\/p\u003e\n\n\u003cp\u003eIts thick steel pushrod plate features CNC-welded construction designed for demanding commercial braking applications. Proper installation and brake linkage alignment are essential to achieving the intended service performance.\u003c\/p\u003e\n\n\u003ch2\u003eStandard Stroke vs. Long Stroke Brake Chambers\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR3030SB2 is a Type 30\/30 standard-stroke brake chamber with a 2.5-inch maximum rated stroke\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eStandard-stroke and long-stroke chambers have different stroke capabilities and may have different identification markings, adjustment limits, and service requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not substitute this standard-stroke brake chamber for a long-stroke unit.\u003c\/strong\u003e Always confirm the correct stroke designation using the original chamber and vehicle manufacturer's specifications.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTR3030SB2 Cross References\u003c\/h2\u003e\n\n\u003cp\u003eCommercial truck parts catalogs associate OTR3030SB2 with several standard-stroke Type 30\/30 brake chamber references, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTR3030SB2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR Manufacturer Number:\u003c\/strong\u003e OTR3030SB-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e 3030SB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e 179.SB3030S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K129605\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e NT3030STD78TC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDayton:\u003c\/strong\u003e 3030C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e 3030TN2C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMGM Brakes:\u003c\/strong\u003e 3430051\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMGM Brakes:\u003c\/strong\u003e 3630051\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTR3030SB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Warning:\u003c\/strong\u003e These numbers are catalog interchange references, not a guarantee of identical configurations. Pushrod lengths, clevis arrangements, stroke specifications, and other installation requirements may differ. Confirm all critical dimensions and the approved application before replacing a brake chamber.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eA defective brake chamber can affect parking brake release, service brake operation, and air system performance. Brake problems should be diagnosed promptly by a qualified technician.\u003c\/p\u003e\n\n\u003cp\u003eCommon symptoms include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAudible air leaks near the brake chamber\u003c\/li\u003e\n\u003cli\u003eDifficulty releasing the parking brakes\u003c\/li\u003e\n\u003cli\u003eAbnormal pushrod travel\u003c\/li\u003e\n\u003cli\u003eVisible corrosion or damage to the chamber housing\u003c\/li\u003e\n\u003cli\u003eDamaged mounting studs or brackets\u003c\/li\u003e\n\u003cli\u003eInconsistent brake application or release\u003c\/li\u003e\n\u003cli\u003eFailed commercial vehicle brake inspections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther brake system components can produce similar symptoms. Inspect the air supply system, control valves, slack adjusters, foundation brakes, and related components before determining the necessary repair.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTR3030SB2 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OTR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e OTR3030SB2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e OTR3030SB-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Combination Spring Brake Chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber Size:\u003c\/strong\u003e Type 30\/30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Chamber Type:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Chamber Type:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Type:\u003c\/strong\u003e Standard Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Length:\u003c\/strong\u003e 2.50 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePushrod Length:\u003c\/strong\u003e 8.00 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Spacing:\u003c\/strong\u003e 4.75 Inches, Center to Center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Threads:\u003c\/strong\u003e 5\/8-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Heavy-Duty Epoxy-Coated Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber Configuration:\u003c\/strong\u003e Double Diaphragm, Spring Combination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaging Bolt:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Years, Subject to Warranty Terms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVMRS:\u003c\/strong\u003e 013-010-034\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Spring Brake Chamber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBrake Chamber Installation \u0026amp; Safety Information\u003c\/h2\u003e\n\n\u003cp\u003eBefore ordering or installing the OTR3030SB2, verify the original brake chamber's size, stroke, pushrod length, mounting stud spacing, clevis requirements, and applicable brake system specifications.\u003c\/p\u003e\n\n\u003cp\u003eBrake chamber installation must follow the vehicle and brake manufacturer's approved procedures. Inspect brake linkage geometry, pushrod travel, mounting hardware, and related foundation brake components before returning the vehicle to service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Spring brake chambers contain a powerful compressed spring that can cause severe injury or death if improperly handled. Never cut, open, or disassemble the spring brake housing. Follow the manufacturer's approved procedures for caging, removal, installation, and testing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Air brake systems are safety-critical. All brake chamber replacement and adjustment work should be performed by qualified personnel.\u003c\/p\u003e\n","brand":"OTR","offers":[{"title":"Default Title","offer_id":67678543380525,"sku":null,"price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/OTR3030SB2_-2_20_1.jpg?v=1792047355"},{"product_id":"otr-otr3030sb-3030-standard-stroke-spring-brake-chamber","title":"OTR OTR3030SB | 30\/30 Standard Stroke Spring Brake Chamber","description":"\n\u003ch2\u003eOTR OTR3030SB Type 30\/30 Standard Stroke Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eMaintain reliable commercial vehicle braking performance with the \u003cstrong\u003eOTR OTR3030SB Type 30\/30 Standard Stroke Spring Brake Chamber\u003c\/strong\u003e. Designed for compatible heavy-duty trucks and trailers, this combination spring brake chamber provides both service braking and spring-applied parking brake functionality in one durable assembly.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003e2.5-inch standard stroke, 9.75-inch pushrod, reinforced mounting studs, and heavy-duty construction\u003c\/strong\u003e, the OTR3030SB is engineered to withstand demanding commercial vehicle operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're replacing a leaking brake chamber, repairing a trailer air brake system, or maintaining a commercial truck fleet, the OTR3030SB provides a replacement option for properly matched Type 30\/30 brake applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This product is a standard-stroke brake chamber with a 9.75-inch pushrod. Verify your existing brake chamber specifications before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTR3030SB Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 30\/30 Combination Brake Chamber:\u003c\/strong\u003e Combines service braking and spring-applied parking brake functions in one assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5-Inch Standard Stroke:\u003c\/strong\u003e Designed for compatible standard-stroke air brake systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9.75-Inch Pushrod:\u003c\/strong\u003e Provides the specified pushrod length for properly matched brake linkage configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Mounting Studs:\u003c\/strong\u003e Designed to provide additional rigidity and resist mounting-related damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Steel Pushrod Plate:\u003c\/strong\u003e Thick steel construction with precision welding for strength and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective Dust Shield:\u003c\/strong\u003e Helps keep dirt, sand, moisture, and road contaminants away from vulnerable components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Construction:\u003c\/strong\u003e Designed for demanding commercial truck and trailer environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaging Bolt Included:\u003c\/strong\u003e Supplied for use during approved brake chamber service procedures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE Standards:\u003c\/strong\u003e Manufacturer identifies the chamber as meeting or exceeding applicable SAE requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Year Limited Warranty:\u003c\/strong\u003e Listed warranty coverage, subject to applicable supplier terms and conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Type 30\/30 Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR3030SB spring brake chamber\u003c\/strong\u003e is a combination air brake actuator used in commercial vehicle drum brake systems.\u003c\/p\u003e\n\n\u003cp\u003eIt performs two essential braking functions:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Braking:\u003c\/strong\u003e Compressed air acts on the service chamber diaphragm, moving the pushrod to operate the foundation brake mechanism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParking and Emergency Braking:\u003c\/strong\u003e A powerful internal spring applies the parking brakes when spring-brake release pressure is removed or becomes insufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Type 30\/30 designation identifies the service and spring brake chamber sizes. Proper chamber selection is essential for maintaining the braking system's intended performance.\u003c\/p\u003e\n\n\u003ch2\u003eCommercial Truck \u0026amp; Trailer Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR3030SB is designed for compatible heavy-duty commercial vehicle air brake systems requiring a Type 30\/30 standard-stroke combination chamber.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHeavy-duty semi trucks\u003c\/li\u003e\n\u003cli\u003eClass 7 and Class 8 commercial trucks\u003c\/li\u003e\n\u003cli\u003eTruck tractors\u003c\/li\u003e\n\u003cli\u003eCommercial trailers\u003c\/li\u003e\n\u003cli\u003eDry van and flatbed trailers\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eDump trucks\u003c\/li\u003e\n\u003cli\u003eCommercial fleet vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Compatibility depends on the installed brake system, chamber configuration, pushrod length, mounting dimensions, and brake linkage requirements. Vehicle make and model alone do not establish fitment.\u003c\/p\u003e\n\n\u003ch2\u003e9.75-Inch Pushrod for Standard-Stroke Applications\u003c\/h2\u003e\n\n\u003cp\u003eOne of the most important specifications of the OTR3030SB is its \u003cstrong\u003e9.75-inch pushrod length\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eDifferent Type 30\/30 spring brake chambers may have similar external appearances but different pushrod lengths and installation requirements.\u003c\/p\u003e\n\n\u003cp\u003eFor example, the OTR3030SB uses a 9.75-inch pushrod, while the OTR3030SB2 is listed with an 8-inch pushrod.\u003c\/p\u003e\n\n\u003cp\u003eAlways verify the required pushrod configuration, clevis arrangement, and brake linkage geometry before selecting a replacement chamber.\u003c\/p\u003e\n\n\u003ch2\u003eStandard Stroke vs. Long Stroke Brake Chambers\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR3030SB features a nominal 2.5-inch standard stroke\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eStandard-stroke and long-stroke chambers have different operating travel capabilities and may have different adjustment limits and identification markings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not substitute this standard-stroke brake chamber for a long-stroke chamber.\u003c\/strong\u003e Confirm the original equipment stroke designation before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eHeavy-Duty Construction \u0026amp; Corrosion Protection\u003c\/h2\u003e\n\n\u003cp\u003eCommercial truck and trailer brake components are regularly exposed to road moisture, dirt, salt, vibration, and demanding operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe OTR3030SB incorporates reinforced mounting studs, a durable steel pushrod plate, and a protective dust shield to help maintain structural integrity and reduce exposure to contaminants.\u003c\/p\u003e\n\n\u003cp\u003eThe chamber is designed and tested for demanding commercial braking applications.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTR3030SB Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR3030SB appears in commercial truck parts interchange catalogs alongside other Type 30\/30 standard-stroke spring brake chamber products.\u003c\/p\u003e\n\n\u003cp\u003eRelevant catalog references include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTR3030SB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMGM Brakes:\u003c\/strong\u003e 3430551\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e 3030TN2ULP-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHaldex:\u003c\/strong\u003e LCP3030R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHaldex:\u003c\/strong\u003e GC3030R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Interchange Reference:\u003c\/strong\u003e BTS-3030\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Warning:\u003c\/strong\u003e Catalog interchange numbers are intended for parts identification only. Confirm stroke, pushrod length, mounting dimensions, clevis configuration, and applicable brake system specifications before treating any listed part as a direct replacement.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eBrake chamber problems should be diagnosed promptly because they can affect commercial vehicle braking performance and safety.\u003c\/p\u003e\n\n\u003cp\u003eCommon symptoms include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAir leaking from the brake chamber\u003c\/li\u003e\n\u003cli\u003eDifficulty releasing the parking brakes\u003c\/li\u003e\n\u003cli\u003eAbnormal or excessive pushrod travel\u003c\/li\u003e\n\u003cli\u003eVisible corrosion or physical damage\u003c\/li\u003e\n\u003cli\u003eDamaged mounting studs or brackets\u003c\/li\u003e\n\u003cli\u003eInconsistent brake application or release\u003c\/li\u003e\n\u003cli\u003eFailed commercial vehicle brake inspections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther brake system problems may produce similar symptoms. Inspect the air supply system, control valves, slack adjusters, foundation brakes, and related components before replacing the chamber.\u003c\/p\u003e\n\n\u003ch2\u003eOTR OTR3030SB Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OTR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e OTR3030SB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Combination Spring Brake Chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber Size:\u003c\/strong\u003e Type 30\/30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Chamber Type:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Chamber Type:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Type:\u003c\/strong\u003e Standard Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Length:\u003c\/strong\u003e 2.50 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePushrod Length:\u003c\/strong\u003e 9.75 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Spacing:\u003c\/strong\u003e 4.75 Inches, Center to Center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Threads:\u003c\/strong\u003e 5\/8-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Length:\u003c\/strong\u003e 1.54 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber Configuration:\u003c\/strong\u003e Combination Spring Brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Application:\u003c\/strong\u003e Compatible Heavy-Duty Drum Brake Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaging Bolt:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 4-Year Limited Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVMRS:\u003c\/strong\u003e 013-010-034\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Brake Chamber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBrake Chamber Installation \u0026amp; Safety Information\u003c\/h2\u003e\n\n\u003cp\u003eBefore purchasing or installing the OTR3030SB, verify the original brake chamber size, stroke designation, pushrod length, mounting stud spacing, clevis requirements, and applicable brake system specifications.\u003c\/p\u003e\n\n\u003cp\u003eFollow the vehicle and brake manufacturer's approved installation and inspection procedures. Confirm correct brake linkage geometry, pushrod travel, chamber mounting, and foundation brake operation before returning the vehicle to service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Spring brake chambers contain powerful compressed springs that can cause severe injury or death if improperly handled. Never cut, open, or disassemble the spring brake housing. Follow the manufacturer's approved procedures for caging, removal, installation, and testing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial vehicle braking systems are safety-critical. Brake chamber replacement, adjustment, and inspection should be performed by qualified technicians.\u003c\/p\u003e\n","brand":"OTR","offers":[{"title":"Default Title","offer_id":67678567170093,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/OTR-OTR3030SB_1.jpg?v=1792047784"},{"product_id":"otr-ws066-wheel-seal-12000-lb-front-axle","title":"OTR WS066 Wheel Seal | 12,000 lb Front Steer Axle","description":"\n\u003ch2\u003eOTR WS066 Wheel Seal for 12,000 lb Front Axles\u003c\/h2\u003e\n\n\u003cp\u003eProtect your commercial truck's wheel bearings and hub assembly with the \u003cstrong\u003eOTR WS066 Wheel Seal for 12,000 lb Front Axles\u003c\/strong\u003e. Designed for compatible heavy-duty steer axle applications, this replacement wheel oil seal helps retain critical wheel-end lubricant while preventing dirt, moisture, and road contaminants from entering the hub assembly.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR WS066\u003c\/strong\u003e features durable nitrile rubber sealing material and is engineered for oil-bath wheel hub applications commonly found on commercial trucks and semi-trucks.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're repairing a leaking front wheel seal, servicing steer axle wheel bearings, or performing preventive maintenance on your fleet, the OTR WS066 provides an economical replacement option for properly matched 12,000 lb front axle applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: WS066 | Manufacturer Reference: GS-WS-35066\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS066 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12,000 lb Front Axle Application:\u003c\/strong\u003e Designed for compatible heavy-duty steer axle wheel ends.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-Bath Wheel Seal:\u003c\/strong\u003e Helps retain wheel bearing lubricant inside the hub assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContamination Protection:\u003c\/strong\u003e Helps prevent dirt, dust, road debris, and moisture from entering the wheel-end assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrile Rubber Sealing Material:\u003c\/strong\u003e Provides durable sealing performance in suitable commercial vehicle applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Designed for demanding commercial truck operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Bearing Protection:\u003c\/strong\u003e Helps maintain proper lubrication of wheel-end components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement-Friendly Design:\u003c\/strong\u003e Compatible with appropriate seal installation tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Fleet Maintenance:\u003c\/strong\u003e Suitable for qualifying semi-truck steer axle repairs and preventive maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Front Steer Axle Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR WS066 front wheel seal\u003c\/strong\u003e is designed for commercial vehicle wheel-end assemblies that require a compatible oil-bath seal.\u003c\/p\u003e\n\n\u003cp\u003eWheel seals play an important role in maintaining the lubrication needed by wheel bearings and protecting the hub assembly against contamination.\u003c\/p\u003e\n\n\u003cp\u003eA properly installed wheel seal helps:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRetain lubricant inside the wheel hub\u003c\/li\u003e\n\u003cli\u003eReduce lubricant leakage from the wheel-end assembly\u003c\/li\u003e\n\u003cli\u003eProtect wheel bearings against contamination\u003c\/li\u003e\n\u003cli\u003eHelp maintain reliable steer axle operation\u003c\/li\u003e\n\u003cli\u003eSupport longer wheel-end component service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesigned for 12,000 lb Commercial Truck Front Axles\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS066 is intended for compatible \u003cstrong\u003e12,000 lb rated front steer axle applications\u003c\/strong\u003e using the appropriate wheel-end seal dimensions.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 semi-trucks\u003c\/li\u003e\n\u003cli\u003eHeavy-duty commercial truck tractors\u003c\/li\u003e\n\u003cli\u003eOver-the-road trucks\u003c\/li\u003e\n\u003cli\u003eRegional delivery trucks\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eFleet vehicles with compatible 12,000 lb front axles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Axle weight rating alone does not determine wheel seal compatibility. Confirm the original seal number, spindle dimensions, hub bore, and wheel-end configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eNitrile Rubber Wheel Oil Seal\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS066 uses nitrile rubber sealing material designed to provide reliable sealing performance in compatible oil-lubricated wheel-end assemblies.\u003c\/p\u003e\n\n\u003cp\u003eThe seal helps retain lubricant around the wheel bearings and protect the assembly against road contaminants encountered during normal commercial truck operation.\u003c\/p\u003e\n\n\u003cp\u003eCorrect installation and appropriate hub lubrication are essential for dependable sealing performance.\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS066 Wheel Seal Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS066 is associated with the 35066 wheel seal family. Common catalog references include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e WS066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR Manufacturer Reference:\u003c\/strong\u003e GS-WS-35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e 35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e CR35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e P35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 308-0836\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 382-8036\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 370001A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConMet:\u003c\/strong\u003e 10045885\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlliance Truck Parts:\u003c\/strong\u003e ABP 10045885\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Notice:\u003c\/strong\u003e These references are provided for identification and interchange research. Seal construction, installation methods, and wheel-end requirements may vary by manufacturer. Verify all dimensions and the approved replacement application before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Front Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eA damaged or worn steer axle wheel seal can allow lubricant to escape from the hub or allow contaminants to enter the wheel-end assembly.\u003c\/p\u003e\n\n\u003cp\u003eCommon symptoms include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil leaking around the front wheel hub\u003c\/li\u003e\n\u003cli\u003eLubricant collecting on the inside of the wheel or rim\u003c\/li\u003e\n\u003cli\u003eLow oil level in the wheel hub\u003c\/li\u003e\n\u003cli\u003eVisible seal damage during wheel-end service\u003c\/li\u003e\n\u003cli\u003eContaminated wheel bearing lubricant\u003c\/li\u003e\n\u003cli\u003eEvidence of dirt or moisture entering the hub\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWheel seal leakage should be inspected promptly. Loss of wheel-end lubricant can contribute to bearing damage, overheating, and potentially serious wheel-end failures.\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS066 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OTR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WS066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e GS-WS-35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Wheel Oil Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Front Steer Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 12,000 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inner Diameter \/ Shaft Diameter:\u003c\/strong\u003e 3.500 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Width:\u003c\/strong\u003e 0.925 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Lip Material:\u003c\/strong\u003e Nitrile Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication Application:\u003c\/strong\u003e Oil Bath\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Family:\u003c\/strong\u003e 35066\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Wheel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWheel Seal Installation \u0026amp; Maintenance\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the OTR WS066, inspect the wheel hub, spindle sealing surface, bearings, and surrounding components for damage or wear.\u003c\/p\u003e\n\n\u003cp\u003eUse the correct installation tool and follow the axle, hub, and seal manufacturer's service procedures. An improperly installed seal can leak or fail prematurely.\u003c\/p\u003e\n\n\u003cp\u003eDuring wheel-end service:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eInspect the spindle sealing surface for wear or damage.\u003c\/li\u003e\n\u003cli\u003eVerify the correct seal dimensions and hub configuration.\u003c\/li\u003e\n\u003cli\u003eCheck wheel bearing condition and adjustment.\u003c\/li\u003e\n\u003cli\u003eUse the approved lubricant for the wheel-end assembly.\u003c\/li\u003e\n\u003cli\u003eInspect for leaks after installation.\u003c\/li\u003e\n\u003cli\u003eVerify wheel-end operation before returning the vehicle to service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial truck wheel-end assemblies are safety-critical. Improper wheel bearing adjustment, seal installation, or lubrication can lead to serious component failure. Service should be performed by qualified technicians using the manufacturer's instructions.\u003c\/p\u003e\n","brand":"OTR","offers":[{"title":"Default Title","offer_id":67683098460205,"sku":null,"price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/WS066_P01_TOP.jpg?v=1792084187"},{"product_id":"otr-ws697-wheel-seal-heavy-duty-drive-axle","title":"OTR WS697 Wheel Seal | 38,000–48,000 lb Drive Axles","description":"\n\u003ch2\u003eOTR WS697 Wheel Seal for 38,000–48,000 lb Drive Axles\u003c\/h2\u003e\n\n\u003cp\u003eProtect your heavy-duty truck's wheel bearings and drive axle hub assembly with the \u003cstrong\u003eOTR WS697 Wheel Seal for 38,000–48,000 lb Drive Axles\u003c\/strong\u003e. Designed for compatible commercial truck drive axle applications, this replacement wheel oil seal helps retain critical lubricant while protecting wheel-end components against dirt, moisture, and road contaminants.\u003c\/p\u003e\n\n\u003cp\u003eManufactured with durable \u003cstrong\u003enitrile rubber sealing material\u003c\/strong\u003e, the OTR WS697 is designed for demanding oil-lubricated drive axle environments. Its heavy-duty construction helps maintain proper wheel-end lubrication and supports reliable operation in commercial trucking applications.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're repairing a leaking rear wheel seal, replacing wheel bearings, performing drive axle maintenance, or servicing a fleet of semi trucks, the \u003cstrong\u003eOTR WS697\u003c\/strong\u003e provides a replacement option for properly matched heavy-duty wheel-end assemblies.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: WS697 | Manufacturer Reference: GS-WS-47697\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS697 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Drive Axle Application:\u003c\/strong\u003e Designed for compatible 38,000–48,000 lb commercial truck drive axle assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-Bath Wheel Seal:\u003c\/strong\u003e Helps retain wheel-end lubricant inside the hub assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContamination Protection:\u003c\/strong\u003e Helps prevent dirt, dust, moisture, and road debris from entering the wheel-end assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrile Rubber Sealing Material:\u003c\/strong\u003e Manufactured for demanding drive axle operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricant Retention:\u003c\/strong\u003e Helps reduce wheel-end oil leakage when correctly installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Bearing Protection:\u003c\/strong\u003e Supports proper lubrication of wheel bearings and related hub components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Commercial Construction:\u003c\/strong\u003e Designed for challenging trucking and fleet operating environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement-Friendly Design:\u003c\/strong\u003e Compatible with appropriate branded seal installation tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Fleet Maintenance:\u003c\/strong\u003e Suitable for qualifying semi-truck drive axle repairs and preventive maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Drive Axle Wheel Seal for Semi Trucks\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR WS697 drive axle wheel seal\u003c\/strong\u003e is designed for compatible commercial vehicle wheel-end assemblies requiring a 47697-family oil seal.\u003c\/p\u003e\n\n\u003cp\u003eWheel seals play an essential role in maintaining proper lubrication inside a truck's wheel hub. By helping prevent lubricant leakage and contamination, a properly installed wheel seal helps protect the bearings and other components from premature wear or damage.\u003c\/p\u003e\n\n\u003cp\u003eThe OTR WS697 helps:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRetain lubricant inside the drive axle hub\u003c\/li\u003e\n\u003cli\u003eReduce oil leakage around wheel-end components\u003c\/li\u003e\n\u003cli\u003eProtect wheel bearings from contamination\u003c\/li\u003e\n\u003cli\u003eMaintain proper wheel-end lubrication\u003c\/li\u003e\n\u003cli\u003eSupport reliable heavy-duty axle operation\u003c\/li\u003e\n\u003cli\u003eReduce the risk of lubricant-related wheel-end damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesigned for 38,000–48,000 lb Drive Axles\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS697 is intended for compatible \u003cstrong\u003e38,000–48,000 lb rated heavy-duty drive axle applications\u003c\/strong\u003e that require the appropriate wheel seal dimensions and construction.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 semi trucks\u003c\/li\u003e\n\u003cli\u003eOver-the-road commercial truck tractors\u003c\/li\u003e\n\u003cli\u003eHeavy-duty tandem drive axle configurations\u003c\/li\u003e\n\u003cli\u003eRegional delivery trucks\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eDump trucks\u003c\/li\u003e\n\u003cli\u003eCommercial fleet vehicles\u003c\/li\u003e\n\u003cli\u003eOther compatible heavy-duty drive axle wheel-end assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Axle weight rating alone does not determine wheel seal compatibility. Confirm the original seal part number, spindle diameter, hub bore, and wheel-end configuration before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eNitrile Rubber Oil Seal for Drive Axle Wheel Ends\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR WS697\u003c\/strong\u003e uses nitrile rubber sealing material designed to withstand the demands of commercial vehicle drive axle environments.\u003c\/p\u003e\n\n\u003cp\u003eIts sealing design helps retain oil inside the wheel hub and reduce the entry of contaminants that can damage wheel bearings and other wheel-end components.\u003c\/p\u003e\n\n\u003cp\u003eProper installation, hub condition, bearing adjustment, and lubrication are essential for reliable wheel seal performance.\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS697 Wheel Seal Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS697 is associated with the \u003cstrong\u003e47697 wheel seal family\u003c\/strong\u003e. Common industry catalog cross references include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e WS697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR Manufacturer Reference:\u003c\/strong\u003e GS-WS-47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e 47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e CR47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e 47691\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e CR47691\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 380003A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 370086A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 392-9131\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 393-0173\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 393-0273\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConMet:\u003c\/strong\u003e 10045887\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e P47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePAI:\u003c\/strong\u003e 7697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MER0173\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MER0273\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Notice:\u003c\/strong\u003e These are catalog interchange references for parts identification. Seal construction, dimensions, installation procedures, and wheel-end requirements may vary by manufacturer. Verify the correct replacement against the original seal and the wheel-end manufacturer's specifications before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Drive Axle Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eA leaking or damaged drive axle wheel seal can allow lubricant to escape from the hub assembly and may expose wheel bearings to contamination.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil leaking around the rear wheel hub\u003c\/li\u003e\n\u003cli\u003eLubricant collecting on the inside of the wheel or rim\u003c\/li\u003e\n\u003cli\u003eOil contamination around the brake assembly\u003c\/li\u003e\n\u003cli\u003eLow lubricant levels in the drive axle or wheel-end assembly\u003c\/li\u003e\n\u003cli\u003eVisible seal damage during wheel-end service\u003c\/li\u003e\n\u003cli\u003eContaminated wheel bearing lubricant\u003c\/li\u003e\n\u003cli\u003eSigns of wheel bearing overheating or damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWheel-end lubricant leaks should be inspected promptly. Loss of lubrication can contribute to wheel bearing failure, brake contamination, overheating, and serious vehicle safety problems.\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS697 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OTR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WS697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e GS-WS-47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heavy-Duty Wheel Oil Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Drive Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 38,000–48,000 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inner Diameter \/ Shaft Diameter:\u003c\/strong\u003e 4.765 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Width:\u003c\/strong\u003e 1.078 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Lip Material:\u003c\/strong\u003e Nitrile Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication Application:\u003c\/strong\u003e Oil Bath\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Family:\u003c\/strong\u003e 47697\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Wheel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDrive Axle Wheel Seal Installation \u0026amp; Maintenance\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the OTR WS697, inspect the wheel hub, spindle sealing surfaces, bearings, and related wheel-end components for damage or excessive wear.\u003c\/p\u003e\n\n\u003cp\u003eUse the correct installation tool and follow the axle, hub, and seal manufacturer's service instructions. Incorrect installation can damage the seal or cause premature lubricant leakage.\u003c\/p\u003e\n\n\u003cp\u003eDuring wheel-end service:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify the original wheel seal part number and dimensions.\u003c\/li\u003e\n\u003cli\u003eInspect the spindle sealing surface for scoring or wear.\u003c\/li\u003e\n\u003cli\u003eCheck hub bore condition and cleanliness.\u003c\/li\u003e\n\u003cli\u003eInspect wheel bearings and related components.\u003c\/li\u003e\n\u003cli\u003eUse the correct wheel-end lubricant.\u003c\/li\u003e\n\u003cli\u003eFollow the manufacturer's wheel bearing adjustment procedures.\u003c\/li\u003e\n\u003cli\u003eInspect the hub and wheel end for leaks after installation.\u003c\/li\u003e\n\u003cli\u003eConfirm proper brake system condition before returning the vehicle to service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial truck wheel-end assemblies are safety-critical. Improper seal installation, bearing adjustment, or lubrication can lead to serious wheel-end damage or failure. Service should be performed by qualified technicians following the manufacturer's instructions.\u003c\/p\u003e\n","brand":"OTR","offers":[{"title":"Default Title","offer_id":67683103244333,"sku":null,"price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/WS066_P01_TOP.jpg?v=1792084187"},{"product_id":"otr-ws305-wheel-seal-22500-lb-trailer-axle","title":"OTR WS305 Wheel Seal | 22,500 lb Trailer Axles","description":"\n\u003ch2\u003eOTR WS305 Wheel Seal for 22,500 lb Trailer Axles\u003c\/h2\u003e\n\n\u003cp\u003eProtect your commercial trailer's wheel bearings and hub assemblies with the \u003cstrong\u003eOTR WS305 Wheel Seal for 22,500 lb Trailer Axles\u003c\/strong\u003e. Designed for compatible heavy-duty trailer wheel ends, this replacement oil-bath wheel seal helps retain critical wheel bearing lubricant while protecting internal hub components from dirt, moisture, and road contaminants.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing durable \u003cstrong\u003enitrile rubber sealing material\u003c\/strong\u003e, the OTR WS305 is designed for demanding commercial trailer applications. Its sealing construction helps prevent lubricant leakage and supports reliable wheel-end operation during long-distance hauling, regional transportation, and everyday fleet service.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're repairing a leaking trailer wheel seal, replacing wheel bearings, or performing preventive maintenance on a commercial trailer, the \u003cstrong\u003eOTR WS305\u003c\/strong\u003e provides an aftermarket replacement option for properly matched 46305-family wheel-end applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: WS305 | Manufacturer Reference: GS-WS-46305\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS305 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e22,500 lb Trailer Axle Application:\u003c\/strong\u003e Designed for compatible heavy-duty commercial trailer axles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil-Bath Wheel Seal:\u003c\/strong\u003e Helps retain wheel-end lubricant inside the hub assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrile Rubber Sealing Material:\u003c\/strong\u003e Designed for demanding commercial vehicle wheel-end conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContamination Protection:\u003c\/strong\u003e Helps reduce the entry of dirt, dust, road debris, and moisture into the hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricant Retention:\u003c\/strong\u003e Helps prevent oil leakage when correctly installed in a compatible wheel-end assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Bearing Protection:\u003c\/strong\u003e Supports proper lubrication of trailer wheel bearings and related components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Replacement:\u003c\/strong\u003e Suitable for qualifying commercial trailer maintenance and repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService-Friendly Installation:\u003c\/strong\u003e Designed for installation using appropriate seal-driving tools and manufacturer-approved procedures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFleet Maintenance Applications:\u003c\/strong\u003e Practical for trailer repair shops, commercial fleets, and owner-operators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Trailer Wheel Seal for Commercial Trucks\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR WS305 trailer axle wheel seal\u003c\/strong\u003e helps maintain proper lubrication inside compatible commercial trailer wheel-end assemblies.\u003c\/p\u003e\n\n\u003cp\u003eWheel seals are essential components of the hub system because they help retain lubricant around the wheel bearings while preventing contaminants from entering the assembly.\u003c\/p\u003e\n\n\u003cp\u003eA correctly installed wheel seal helps:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRetain wheel bearing lubricant inside the trailer hub\u003c\/li\u003e\n\u003cli\u003eReduce oil leaks around the wheel-end assembly\u003c\/li\u003e\n\u003cli\u003eProtect wheel bearings from dirt and moisture\u003c\/li\u003e\n\u003cli\u003eSupport consistent wheel-end lubrication\u003c\/li\u003e\n\u003cli\u003eHelp prevent lubricant-related bearing damage\u003c\/li\u003e\n\u003cli\u003eMaintain dependable commercial trailer operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDesigned for Compatible 22,500 lb Trailer Axles\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS305 is intended for compatible \u003cstrong\u003e22,500 lb rated trailer axles\u003c\/strong\u003e using the required 46305-family wheel seal configuration.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHeavy-duty semi-trailers\u003c\/li\u003e\n\u003cli\u003eDry van trailers\u003c\/li\u003e\n\u003cli\u003eRefrigerated trailers\u003c\/li\u003e\n\u003cli\u003eFlatbed trailers\u003c\/li\u003e\n\u003cli\u003eCommercial freight trailers\u003c\/li\u003e\n\u003cli\u003eVocational trailers\u003c\/li\u003e\n\u003cli\u003eFleet trailers with compatible wheel-end assemblies\u003c\/li\u003e\n\u003cli\u003eOther commercial trailer axles requiring the specified wheel seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Trailer type and axle weight rating alone do not determine wheel seal fitment. Verify the original wheel seal part number, spindle dimensions, hub bore, and wheel-end configuration before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eOil-Bath Wheel Seal for Trailer Hub Assemblies\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS305 is designed for compatible oil-lubricated trailer wheel ends. Proper lubricant retention is essential for protecting wheel bearings and reducing the risk of premature wheel-end component failure.\u003c\/p\u003e\n\n\u003cp\u003eThe seal helps maintain a protective barrier between the lubricated wheel-end assembly and the external road environment.\u003c\/p\u003e\n\n\u003cp\u003eFor dependable performance, always use the correct wheel-end lubricant and follow the axle or hub manufacturer's service instructions.\u003c\/p\u003e\n\n\u003ch2\u003eNitrile Rubber Sealing Material\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOTR WS305\u003c\/strong\u003e features nitrile rubber sealing material designed to provide durable sealing performance in approved commercial vehicle applications.\u003c\/p\u003e\n\n\u003cp\u003eThe sealing material helps resist normal exposure to wheel-end lubricants while supporting a barrier against dirt and environmental contaminants.\u003c\/p\u003e\n\n\u003cp\u003eCorrect seal installation, bearing adjustment, and hub condition are critical to the performance of the complete wheel-end assembly.\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS305 Wheel Seal Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe OTR WS305 is associated with the \u003cstrong\u003e46305 wheel seal family\u003c\/strong\u003e. Common commercial truck parts catalog interchange references include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e WS305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR Manufacturer Reference:\u003c\/strong\u003e GS-WS-46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e 46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKF:\u003c\/strong\u003e CR46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 370025A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNational:\u003c\/strong\u003e 380025A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 372-7097\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 373-0143\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStemco:\u003c\/strong\u003e 373-0243\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e P46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MER0143\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e WS3725A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Notice:\u003c\/strong\u003e These part numbers are provided for identification and interchange research. Seal dimensions, construction, installation methods, and wheel-end compatibility may vary by manufacturer. Confirm the correct replacement using the original seal number and the wheel-end manufacturer's specifications before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Trailer Wheel Seal\u003c\/h2\u003e\n\n\u003cp\u003eA worn or damaged trailer wheel seal can allow lubricant to leak from the hub assembly or permit contaminants to enter the wheel-end components.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil leaking around the trailer wheel hub\u003c\/li\u003e\n\u003cli\u003eLubricant collecting on the inside of the wheel or rim\u003c\/li\u003e\n\u003cli\u003eOil contamination around the brake assembly\u003c\/li\u003e\n\u003cli\u003eLow wheel-end lubricant levels\u003c\/li\u003e\n\u003cli\u003eVisible damage to the wheel seal\u003c\/li\u003e\n\u003cli\u003eContaminated wheel bearing lubricant\u003c\/li\u003e\n\u003cli\u003eAbnormal wheel-end heat associated with lubrication problems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eTrailer wheel seal leaks should be inspected promptly. Loss of wheel-end lubricant can contribute to bearing damage, brake contamination, overheating, and potentially serious wheel-end failures.\u003c\/p\u003e\n\n\u003ch2\u003eOTR WS305 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e OTR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WS305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e GS-WS-46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heavy-Duty Wheel Oil Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Trailer Axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle Rating:\u003c\/strong\u003e 22,500 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Inner Diameter \/ Shaft Diameter:\u003c\/strong\u003e 4.625 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Width:\u003c\/strong\u003e 0.875 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Lip Material:\u003c\/strong\u003e Nitrile Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication Application:\u003c\/strong\u003e Oil Bath\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Family:\u003c\/strong\u003e 46305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Wheel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTrailer Wheel Seal Installation \u0026amp; Maintenance\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the OTR WS305, inspect the trailer wheel hub, spindle sealing surface, wheel bearings, and related components for damage or excessive wear.\u003c\/p\u003e\n\n\u003cp\u003eUse the correct seal installation tool and follow the trailer axle, hub, and seal manufacturer's procedures. Improper installation can damage the seal and lead to premature lubricant leakage.\u003c\/p\u003e\n\n\u003cp\u003eDuring wheel-end maintenance:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify the original wheel seal part number and dimensions.\u003c\/li\u003e\n\u003cli\u003eInspect the spindle sealing surface for scoring or damage.\u003c\/li\u003e\n\u003cli\u003eCheck hub bore condition and cleanliness.\u003c\/li\u003e\n\u003cli\u003eInspect wheel bearings, races, and related components.\u003c\/li\u003e\n\u003cli\u003eUse the manufacturer-approved wheel-end lubricant.\u003c\/li\u003e\n\u003cli\u003eFollow the proper wheel bearing adjustment procedure.\u003c\/li\u003e\n\u003cli\u003eInspect for lubricant leakage after installation.\u003c\/li\u003e\n\u003cli\u003eCheck brake components for contamination or damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial trailer wheel-end assemblies are safety-critical. Improper seal installation, bearing adjustment, or lubrication can lead to serious component damage or failure. Wheel-end service should be performed by qualified technicians using the manufacturer's procedures.\u003c\/p\u003e\n","brand":"OTR","offers":[{"title":"Default Title","offer_id":67683104391213,"sku":null,"price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/WS066_P01_TOP.jpg?v=1792084187"},{"product_id":"hd-value-hdvstd30uc-3030-standard-stroke-brake-chamber","title":"HD Value HDVSTD30UC | 30\/30 Spring Brake Chamber – 13\" Rod","description":"\n\u003ch2\u003eHD Value HDVSTD30UC Type 30\/30 Standard Stroke Spring Brake Chamber – 13-Inch Uncut Pushrod\u003c\/h2\u003e\n\n\u003cp\u003eKeep your commercial truck or trailer braking system operating reliably with the \u003cstrong\u003eHD Value HDVSTD30UC Type 30\/30 Standard Stroke Combination Spring Brake Chamber\u003c\/strong\u003e. Designed for compatible heavy-duty air brake systems, this replacement chamber combines normal service braking and spring-applied parking brake functions in a single assembly.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003e2.5-inch standard stroke and 13-inch uncut pushrod\u003c\/strong\u003e, the HDVSTD30UC offers a practical replacement solution for commercial truck repair shops, fleet maintenance operations, and owner-operators servicing properly matched Type 30\/30 brake systems.\u003c\/p\u003e\n\n\u003cp\u003eHD Value spring brake chambers are built with heavy-duty components, including a steel pushrod plate, and are designed to meet applicable commercial vehicle braking performance requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: HDVSTD30UC | Chamber Type: 30\/30 | Standard Stroke: 2.5 Inches | Uncut Pushrod: 13 Inches\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDVSTD30UC Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType 30\/30 Combination Chamber:\u003c\/strong\u003e Combines service braking and spring-applied parking brake functions in one assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5-Inch Standard Stroke:\u003c\/strong\u003e Designed for compatible standard-stroke commercial air brake applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13-Inch Uncut Pushrod:\u003c\/strong\u003e Supplied for preparation according to the approved vehicle and brake chamber installation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Built for demanding commercial vehicle operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel Pushrod Plate:\u003c\/strong\u003e Heavy-duty construction designed to support dependable brake actuation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Braking Standards:\u003c\/strong\u003e Manufacturer literature identifies compliance with applicable FMVSS 121 and SAE brake force test requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue-Priced Replacement:\u003c\/strong\u003e An economical option for qualifying truck and trailer air brake repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Fleet Applications:\u003c\/strong\u003e Suitable for maintaining compatible highway and vocational vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Year Limited Warranty:\u003c\/strong\u003e Manufacturer-listed warranty, subject to applicable terms and conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHeavy-Duty Type 30\/30 Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHD Value HDVSTD30UC spring brake chamber\u003c\/strong\u003e is a combination air brake actuator designed for compatible heavy-duty drum brake systems.\u003c\/p\u003e\n\n\u003cp\u003eA combination spring brake chamber performs two essential functions:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Braking:\u003c\/strong\u003e Compressed air acts on the service diaphragm, moving the pushrod and operating the foundation brake linkage during normal braking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParking and Emergency Braking:\u003c\/strong\u003e An internal power spring applies the parking brake when spring-brake release pressure is removed or becomes insufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCorrect brake chamber sizing, pushrod preparation, and mounting are essential to maintaining the vehicle's intended braking performance.\u003c\/p\u003e\n\n\u003ch2\u003e13-Inch Uncut Pushrod for Brake System Service\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHDVSTD30UC features a manufacturer-advertised 13-inch uncut pushrod\u003c\/strong\u003e for compatible brake chamber replacement applications.\u003c\/p\u003e\n\n\u003cp\u003eUncut pushrods allow qualified technicians to prepare the replacement chamber according to the original brake linkage geometry and applicable service instructions.\u003c\/p\u003e\n\n\u003cp\u003ePushrod length must not be selected or modified by guesswork. Proper preparation requires verification of the mounting configuration, slack adjuster geometry, clevis requirements, and brake manufacturer's installation procedure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e A 13-inch uncut pushrod does not mean that the final installed pushrod length should be 13 inches. The correct configuration must be established for the specific vehicle.\u003c\/p\u003e\n\n\u003ch2\u003eStandard Stroke vs. Long Stroke Brake Chambers\u003c\/h2\u003e\n\n\u003cp\u003eThe HD Value HDVSTD30UC is a \u003cstrong\u003estandard-stroke Type 30\/30 combination brake chamber\u003c\/strong\u003e with a listed 2.5-inch stroke.\u003c\/p\u003e\n\n\u003cp\u003eStandard-stroke and long-stroke brake chambers have different operating travel capabilities, service limits, and application requirements.\u003c\/p\u003e\n\n\u003cp\u003eHD Value also offers the \u003cstrong\u003eHDVLS30UC\u003c\/strong\u003e long-stroke brake chamber, which is a separate product.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not replace a required long-stroke chamber with this standard-stroke model.\u003c\/strong\u003e Verify the original chamber designation before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Heavy-Duty Truck \u0026amp; Trailer Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe HDVSTD30UC is intended for commercial vehicles using compatible Type 30\/30 standard-stroke combination spring brake chambers.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eClass 7 and Class 8 semi trucks\u003c\/li\u003e\n\u003cli\u003eCommercial truck tractors\u003c\/li\u003e\n\u003cli\u003eHeavy-duty commercial trailers\u003c\/li\u003e\n\u003cli\u003eDry van trailers\u003c\/li\u003e\n\u003cli\u003eFlatbed trailers\u003c\/li\u003e\n\u003cli\u003eVocational trucks\u003c\/li\u003e\n\u003cli\u003eDump trucks\u003c\/li\u003e\n\u003cli\u003eFleet maintenance vehicles\u003c\/li\u003e\n\u003cli\u003eOther compatible commercial vehicles equipped with air-operated drum brakes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Vehicle make, model, and axle rating alone do not establish compatibility. Verify chamber type, stroke, mounting dimensions, air connections, and brake linkage configuration before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDVSTD30UC Cross References\u003c\/h2\u003e\n\n\u003cp\u003eCommercial truck parts catalogs associate HDVSTD30UC with the following spring brake chamber references:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHD Value:\u003c\/strong\u003e HDVSTD30UC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e K129605\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBendix:\u003c\/strong\u003e NT3030STD78\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEuclid:\u003c\/strong\u003e EGC3030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHaldex:\u003c\/strong\u003e GC3030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMGM Brakes:\u003c\/strong\u003e 3430051\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTR3030SB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTR:\u003c\/strong\u003e OTR3030SB2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Parts:\u003c\/strong\u003e 3030C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e 179.SB3030SHD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Warning:\u003c\/strong\u003e These are catalog interchange and identification references. Spring brake chambers may differ in pushrod length, clevis arrangement, mounting details, and other installation requirements. Do not assume that every referenced part can be installed without modification. Always verify the complete replacement configuration.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Spring Brake Chamber\u003c\/h2\u003e\n\n\u003cp\u003eAir brake chamber problems should be inspected promptly because they can affect service braking, parking brake operation, and overall commercial vehicle safety.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAudible air leakage near the brake chamber\u003c\/li\u003e\n\u003cli\u003eDifficulty releasing the parking brakes\u003c\/li\u003e\n\u003cli\u003eAbnormal brake application or release\u003c\/li\u003e\n\u003cli\u003eDamaged or corroded brake chamber housing\u003c\/li\u003e\n\u003cli\u003eLoose or damaged mounting components\u003c\/li\u003e\n\u003cli\u003eImproper pushrod travel\u003c\/li\u003e\n\u003cli\u003eFailed brake system inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther air brake components can produce similar symptoms. Inspect the air supply system, valves, slack adjusters, foundation brakes, and related components before determining the required repair.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDVSTD30UC Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HD Value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HDVSTD30UC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Combination Spring Brake Chamber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChamber Size:\u003c\/strong\u003e Type 30\/30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Chamber Size:\u003c\/strong\u003e Type 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Type:\u003c\/strong\u003e Standard Stroke\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStroke Length:\u003c\/strong\u003e 2.50 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Uncut Pushrod Length:\u003c\/strong\u003e 13 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Spacing:\u003c\/strong\u003e 4.75 Inches, Center to Center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Threads:\u003c\/strong\u003e 5\/8-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stud Length:\u003c\/strong\u003e 1.50 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake System:\u003c\/strong\u003e Air-Operated Drum Brakes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Heavy-Duty Steel Components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-Year Limited Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Brake Chamber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBrake Chamber Installation \u0026amp; Safety Information\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the HDVSTD30UC, verify the original chamber's Type 30\/30 designation, standard-stroke requirement, mounting stud spacing, air port arrangement, pushrod configuration, and brake linkage dimensions.\u003c\/p\u003e\n\n\u003cp\u003eThe uncut pushrod must be prepared in accordance with the vehicle and brake manufacturer's approved procedures. Always confirm proper pushrod travel, slack adjuster geometry, and foundation brake operation before returning the vehicle to service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Spring brake chambers contain powerful compressed springs that can cause severe injury or death if improperly handled. Never cut, open, or disassemble the spring brake housing. Follow the manufacturer's approved caging, removal, installation, and testing procedures.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial vehicle braking systems are safety-critical. Brake chamber replacement and adjustment should be performed by qualified personnel following approved service instructions.\u003c\/p\u003e\n","brand":"HD Value","offers":[{"title":"Default Title","offer_id":67718644269101,"sku":null,"price":58.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/HDV-HDVSTD30UC_-2.jpg?v=1792693320"},{"product_id":"hd-value-hdv9978-air-spring-hendrickson-s-28929","title":"HD Value HDV9978 Air Spring | Replaces Hendrickson S-28929","description":"\n\u003ch2\u003eHD Value HDV9978 Air Spring – Hendrickson S-28929 Replacement\u003c\/h2\u003e\n\n\u003cp\u003eRestore dependable air suspension performance with the \u003cstrong\u003eHD Value HDV9978 Single Convoluted Air Spring\u003c\/strong\u003e, a heavy-duty replacement air bag designed for compatible commercial truck and trailer air-ride suspension systems.\u003c\/p\u003e\n\n\u003cp\u003eEngineered as a replacement for \u003cstrong\u003eHendrickson S-28929\u003c\/strong\u003e and \u003cstrong\u003eFirestone W01-358-9978\u003c\/strong\u003e applications, this air spring helps support vehicle loads, maintain proper suspension ride height, and absorb road vibration during demanding commercial transportation operations.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003e12.60-inch maximum diameter and a listed height range of 7.88 to 19.61 inches\u003c\/strong\u003e, the HDV9978 combines heavy-duty rubber construction with corrosion-resistant components for dependable performance in properly matched air suspension assemblies.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're replacing a leaking trailer air bag, repairing a Hendrickson air-ride suspension, or performing preventive fleet maintenance, the HD Value HDV9978 offers a cost-conscious aftermarket replacement option.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: HDV9978 | Replaces Hendrickson S-28929 | Firestone W01-358-9978\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9978 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHendrickson S-28929 Replacement:\u003c\/strong\u003e Designed for compatible Hendrickson trailer suspension applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone W01-358-9978 Cross Reference:\u003c\/strong\u003e Associated with the widely used 9978 air spring family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-Convoluted Design:\u003c\/strong\u003e Heavy-duty air spring construction for compatible commercial vehicle suspension systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Rubber Bellows:\u003c\/strong\u003e Formulated to withstand demanding suspension movement and load fluctuations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone and Temperature Resistance:\u003c\/strong\u003e Specialized rubber compound helps resist environmental deterioration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Components:\u003c\/strong\u003e Electroplated components help protect against corrosion in demanding road environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Suspension Support:\u003c\/strong\u003e Helps maintain proper ride height when installed in a functioning air suspension system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Vibration:\u003c\/strong\u003e Helps isolate road shock and vibration from the vehicle and cargo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Trailer Applications:\u003c\/strong\u003e Suitable for qualifying dry van, refrigerated, flatbed, and other air-ride trailer suspensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Replacement:\u003c\/strong\u003e Engineered for compatible OEM dimensional and functional requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReplacement for Hendrickson S-28929 Trailer Air Springs\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHD Value HDV9978\u003c\/strong\u003e is a replacement option for compatible air suspension systems using \u003cstrong\u003eHendrickson S-28929\u003c\/strong\u003e air springs.\u003c\/p\u003e\n\n\u003cp\u003eHendrickson air-ride suspension systems are commonly found on commercial trailers where air springs provide load support while helping reduce road vibration and maintain suspension ride height.\u003c\/p\u003e\n\n\u003cp\u003eReplacing damaged or leaking air springs helps restore the suspension's ability to maintain the proper air pressure and vehicle position.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Hendrickson uses multiple air spring configurations. Verify the original part number, suspension model, mounting arrangement, and air connection locations before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eFirestone W01-358-9978 Cross Reference\u003c\/h2\u003e\n\n\u003cp\u003eThe HDV9978 belongs to the same commonly referenced replacement family as the \u003cstrong\u003eFirestone W01-358-9978\u003c\/strong\u003e air spring.\u003c\/p\u003e\n\n\u003cp\u003eThis makes HDV9978 a useful aftermarket option when repairing compatible commercial trailer air suspension assemblies originally equipped with the specified Firestone or Hendrickson air spring.\u003c\/p\u003e\n\n\u003cp\u003eAlways confirm component dimensions and mounting configuration before treating cross-referenced products as interchangeable.\u003c\/p\u003e\n\n\u003ch2\u003eHeavy-Duty Trailer Air Suspension Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe HD Value HDV9978 is intended for compatible trailer air-ride suspension systems using the S-28929 or W01-358-9978 air spring configuration.\u003c\/p\u003e\n\n\u003cp\u003ePotential applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHendrickson trailer air-ride suspensions\u003c\/li\u003e\n\u003cli\u003eDry van trailers\u003c\/li\u003e\n\u003cli\u003eRefrigerated trailers\u003c\/li\u003e\n\u003cli\u003eFlatbed trailers\u003c\/li\u003e\n\u003cli\u003eCommercial freight trailers\u003c\/li\u003e\n\u003cli\u003eHeavy-duty semi-trailers\u003c\/li\u003e\n\u003cli\u003eFleet trailers with matching suspension assemblies\u003c\/li\u003e\n\u003cli\u003eOther properly matched heavy-duty air suspension applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e Trailer brand alone does not guarantee compatibility. Different suspension models may use air springs that appear similar but have different mounting plates, piston designs, air connections, and operating heights.\u003c\/p\u003e\n\n\u003ch2\u003eHeavy-Duty Rubber Bellows \u0026amp; Corrosion Protection\u003c\/h2\u003e\n\n\u003cp\u003eThe HDV9978 features heavy-duty rubber bellows designed to handle repeated suspension movement and load changes.\u003c\/p\u003e\n\n\u003cp\u003eThe manufacturer's listed construction features include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eRubber bellows with a manufacturer-advertised burst pressure exceeding 300 psi\u003c\/li\u003e\n\u003cli\u003eSpecially formulated rubber compound for ozone and temperature resistance\u003c\/li\u003e\n\u003cli\u003eElectroplated components for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eConstruction engineered around compatible OEM fit and function requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Burst pressure is a material performance characteristic and must not be used as the air spring's recommended operating pressure. Always follow the suspension manufacturer's approved operating pressure and load specifications.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9978 Air Spring Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe following part numbers are associated with the HDV9978 replacement family in commercial truck and trailer parts catalogs:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHD Value:\u003c\/strong\u003e HDV9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHendrickson:\u003c\/strong\u003e S-28929\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHendrickson:\u003c\/strong\u003e C-28929\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHendrickson:\u003c\/strong\u003e S-29928\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone:\u003c\/strong\u003e W01-358-9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone:\u003c\/strong\u003e W013589978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinental \/ ContiTech:\u003c\/strong\u003e AS9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinental \/ ContiTech:\u003c\/strong\u003e 67588\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e FS9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e 566.ER9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e AB1DK23I-A959\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDayton Parts:\u003c\/strong\u003e 352-9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriangle:\u003c\/strong\u003e AS-8959\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorld American:\u003c\/strong\u003e WA01-9978C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Warning:\u003c\/strong\u003e These numbers are provided for part identification and interchange research. Product configurations can differ across manufacturers and revisions. Confirm mounting dimensions, piston construction, air port location, ride height, and suspension application before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Trailer Air Spring\u003c\/h2\u003e\n\n\u003cp\u003eAir springs are exposed to repeated suspension movement, road contaminants, changing loads, and environmental conditions. Over time, rubber bellows and mounting components may deteriorate.\u003c\/p\u003e\n\n\u003cp\u003eCommon symptoms of an air spring requiring inspection include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eVisible cracks or dry rot in the rubber bellows\u003c\/li\u003e\n\u003cli\u003eAir leaks around the air spring assembly\u003c\/li\u003e\n\u003cli\u003eTrailer sagging or leaning to one side\u003c\/li\u003e\n\u003cli\u003eSuspension losing ride height while parked\u003c\/li\u003e\n\u003cli\u003eDamaged or corroded mounting components\u003c\/li\u003e\n\u003cli\u003eExcessive vibration or abnormal trailer ride quality\u003c\/li\u003e\n\u003cli\u003eAir suspension system repeatedly cycling to maintain ride height\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther suspension components, including air lines, fittings, height control valves, and shock absorbers, may produce similar symptoms. Inspect the complete suspension system before determining the required repair.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9978 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HD Value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HDV9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed Manufacturer Reference:\u003c\/strong\u003e SP 559978-KP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Suspension Air Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Single Convoluted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e Compatible Hendrickson Trailer Air-Ride Suspensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Diameter:\u003c\/strong\u003e 12.60 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed Height Range:\u003c\/strong\u003e 7.88 to 19.61 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Plate Diameter:\u003c\/strong\u003e 9.00 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Mounting Locations:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Mounting Spacing:\u003c\/strong\u003e 5.50 Inches, Center to Center\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Connection Configuration:\u003c\/strong\u003e Top, Dual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber Construction:\u003c\/strong\u003e Heavy-Duty Bellows\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Reference:\u003c\/strong\u003e Hendrickson S-28929 \/ Firestone W01-358-9978\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Air Spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAir Spring Installation \u0026amp; Fitment Verification\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the HD Value HDV9978, verify the original air spring part number, suspension model, mounting plate dimensions, air connection configuration, and required operating height.\u003c\/p\u003e\n\n\u003cp\u003eInspect the air suspension system for worn mounts, damaged hardware, leaking air lines, faulty height control valves, and related components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Air suspension systems contain pressurized components and may move unexpectedly when pressure is released or restored. Properly support the vehicle, follow the suspension manufacturer's depressurization procedures, and never work beneath a vehicle supported only by its air suspension.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Commercial trailer suspension systems are safety-critical. Air spring replacement should be performed by qualified technicians following the manufacturer's approved procedures.\u003c\/p\u003e\n","brand":"HD Value","offers":[{"title":"Default Title","offer_id":67718651740205,"sku":null,"price":155.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/HDV9978_-2_20_1.jpg?v=1792695025"},{"product_id":"hd-value-hdv9780-air-spring-freightliner-cascadia","title":"HD Value HDV9780 Air Spring | Freightliner Cascadia – Composite Base","description":"\n\u003ch2\u003eHD Value HDV9780 Air Spring – Freightliner Cascadia, Composite Base\u003c\/h2\u003e\n\n\u003cp\u003eRestore dependable air suspension performance with the \u003cstrong\u003eHD Value HDV9780 Air Spring with Composite Base\u003c\/strong\u003e, a heavy-duty aftermarket replacement designed for compatible Freightliner Cascadia, Columbia, Century, Coronado, Sterling, and Western Star air suspension applications.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003edurable rubber air bellows and composite (plastic) piston base\u003c\/strong\u003e, the HDV9780 helps maintain proper suspension ride height, support vehicle loads, and absorb road vibration in demanding commercial trucking environments.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for compatible Freightliner AirLiner suspension configurations, this air spring is associated with \u003cstrong\u003eFreightliner 16-13810-000, Firestone W01-358-9780, Goodyear 1R12-303, and ContiTech AS9780\u003c\/strong\u003e replacement applications.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're replacing a leaking suspension air bag on a Freightliner Cascadia, performing preventive fleet maintenance, or repairing a commercial truck's air-ride suspension, the HD Value HDV9780 provides a cost-effective replacement option when its specifications match the original air spring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: HDV9780 | Composite Base | Freightliner AirLiner Applications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9780 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner Cascadia Applications:\u003c\/strong\u003e Designed for compatible Cascadia rear air suspension configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite Piston Base:\u003c\/strong\u003e Features a plastic\/composite lower piston designed for the specified suspension configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Rubber Bellows:\u003c\/strong\u003e Designed to withstand repeated suspension movement and load changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirLiner Suspension Compatibility:\u003c\/strong\u003e Associated with qualifying Freightliner drive axle air-ride suspension systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Ride Comfort:\u003c\/strong\u003e Helps absorb road shock and vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRide Height Support:\u003c\/strong\u003e Supports proper suspension operation when used with a functioning air management system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone and Temperature Resistance:\u003c\/strong\u003e Specialized rubber formulation helps resist environmental deterioration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Components:\u003c\/strong\u003e Electroplated components help resist corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Replacement:\u003c\/strong\u003e Designed around compatible OEM fit and function requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Truck Applications:\u003c\/strong\u003e Suitable for qualifying Freightliner, Sterling, and Western Star suspensions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFreightliner Cascadia Air Suspension Replacement\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHD Value HDV9780 air spring\u003c\/strong\u003e is a replacement option for certain Freightliner Cascadia trucks equipped with compatible rear air-ride suspension systems.\u003c\/p\u003e\n\n\u003cp\u003eAir springs are essential components of a truck's suspension system, supporting vehicle loads while helping isolate the chassis from road vibration and impact.\u003c\/p\u003e\n\n\u003cp\u003eWhen an air spring develops leaks, cracks, or other damage, the suspension may lose ride height, create an uneven stance, or require the air compressor to cycle more frequently.\u003c\/p\u003e\n\n\u003cp\u003eReplacing a damaged air spring with a properly matched replacement helps restore the vehicle's intended suspension performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Not all Freightliner Cascadia trucks use the same air spring. Verify the VIN, suspension model, original part number, and mounting configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eComposite Base Air Spring – Why It Matters\u003c\/h2\u003e\n\n\u003cp\u003eThe HDV9780 features a \u003cstrong\u003ecomposite (plastic) piston base\u003c\/strong\u003e, an important characteristic when matching an air spring to the original suspension assembly.\u003c\/p\u003e\n\n\u003cp\u003eAir springs with steel, aluminum, or composite piston bases may differ in geometry, mounting details, and application requirements.\u003c\/p\u003e\n\n\u003cp\u003eWhen selecting a replacement, verify that the piston base and mounting configuration match the original equipment requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not assume an air spring with a metal piston is interchangeable with a composite-base unit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Freightliner \u0026amp; Commercial Truck Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe HDV9780 is associated with compatible Freightliner AirLiner and related heavy-duty air suspension configurations.\u003c\/p\u003e\n\n\u003cp\u003ePotential vehicle applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Columbia\u003c\/li\u003e\n\u003cli\u003eFreightliner Century Class\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eFreightliner Classic and Classic XL\u003c\/li\u003e\n\u003cli\u003eOther compatible Freightliner highway tractors\u003c\/li\u003e\n\u003cli\u003eSelected Sterling commercial trucks\u003c\/li\u003e\n\u003cli\u003eSelected Western Star commercial trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e These are application families, not guaranteed year-by-year fitments. The correct air spring depends on the exact suspension assembly, original part number, and mounting configuration.\u003c\/p\u003e\n\n\u003ch2\u003eFreightliner AirLiner Suspension Performance\u003c\/h2\u003e\n\n\u003cp\u003eFreightliner AirLiner suspension systems use air springs to help support the vehicle's load while providing suspension movement and ride comfort.\u003c\/p\u003e\n\n\u003cp\u003eThe HD Value HDV9780 helps support:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eProper rear suspension ride height\u003c\/li\u003e\n\u003cli\u003eConsistent suspension movement\u003c\/li\u003e\n\u003cli\u003eReduced chassis vibration\u003c\/li\u003e\n\u003cli\u003eCommercial truck load support\u003c\/li\u003e\n\u003cli\u003eComfortable operation during highway travel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eProper operation also depends on the condition of the height control valve, shock absorbers, suspension bushings, air supply lines, and associated mounting components.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9780 Air Spring Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe following part numbers are associated with the HDV9780 air spring family in commercial vehicle parts catalogs:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHD Value:\u003c\/strong\u003e HDV9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e SP 559780-KP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e 16-13810-000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e 16-13810-002\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e A16-14004-000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone:\u003c\/strong\u003e W01-358-9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone:\u003c\/strong\u003e W01-377-8537\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodyear:\u003c\/strong\u003e 1R12-303\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e AS9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e 67473\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e 8382P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e AB1DF23-9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MAF9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e 889780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorld American:\u003c\/strong\u003e WA01-9780C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePACCAR:\u003c\/strong\u003e AS9780P\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Warning:\u003c\/strong\u003e These are catalog identification references. Some related air springs have different piston materials, mounting configurations, or application details. Confirm the original air spring number, suspension model, and physical specifications before treating a cross-reference as a direct replacement.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Freightliner Air Spring\u003c\/h2\u003e\n\n\u003cp\u003eA worn or damaged air spring can affect ride height, suspension performance, and vehicle operation.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eTruck sitting low or leaning to one side\u003c\/li\u003e\n\u003cli\u003eAir leaking from the rubber bellows or mounting connections\u003c\/li\u003e\n\u003cli\u003eVisible cracks, cuts, or deterioration in the air spring\u003c\/li\u003e\n\u003cli\u003eSuspension losing air pressure while parked\u003c\/li\u003e\n\u003cli\u003eAir compressor cycling more frequently than normal\u003c\/li\u003e\n\u003cli\u003eExcessive vibration or harsh ride quality\u003c\/li\u003e\n\u003cli\u003eDamaged or deteriorated piston base\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther air suspension components may cause similar symptoms. Inspect the complete suspension system before determining the required repair.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9780 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HD Value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HDV9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e SP 559780-KP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heavy-Duty Suspension Air Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Rolling-Lobe Air Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Base:\u003c\/strong\u003e Composite \/ Plastic Piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Diameter:\u003c\/strong\u003e 12.60 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Overall Height Range:\u003c\/strong\u003e 8.64 to 23.82 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Height:\u003c\/strong\u003e 6.89 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Plate Diameter:\u003c\/strong\u003e 9.00 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Connection:\u003c\/strong\u003e Top, Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e Compatible Freightliner AirLiner and Related Suspensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner Reference:\u003c\/strong\u003e 16-13810-000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone Reference:\u003c\/strong\u003e W01-358-9780\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Air Spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAir Spring Installation \u0026amp; Fitment Verification\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the HD Value HDV9780, verify the original air spring part number, suspension model, top plate dimensions, lower composite piston configuration, air inlet location, and required suspension ride height.\u003c\/p\u003e\n\n\u003cp\u003eInspect the mounting brackets, air lines, fittings, height control valve, shock absorbers, and related suspension components for damage or wear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Air suspension systems contain pressurized components and can move unexpectedly when air pressure is released or restored. Properly support the vehicle before servicing the suspension. Never work beneath a vehicle supported only by air suspension pressure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Heavy-duty truck suspension components should be installed by qualified technicians following the vehicle and suspension manufacturer's procedures.\u003c\/p\u003e\n","brand":"HD Value","offers":[{"title":"Default Title","offer_id":67718652264493,"sku":null,"price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/SP559780-KP.jpg?v=1792695503"},{"product_id":"hd-value-hdv9781-air-spring-freightliner-cascadia","title":"HD Value HDV9781 Air Spring | Freightliner Cascadia – Aluminum Base","description":"\n\u003ch2\u003eHD Value HDV9781 Air Spring – Freightliner Cascadia, Aluminum Base\u003c\/h2\u003e\n\n\u003cp\u003eRestore your truck's air suspension performance with the \u003cstrong\u003eHD Value HDV9781 Air Spring with Aluminum Base\u003c\/strong\u003e, a heavy-duty replacement air bag designed for compatible Freightliner Cascadia, Columbia, Century, Coronado, Sterling, and Western Star air suspension applications.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a \u003cstrong\u003edurable rubber bellows and aluminum piston base\u003c\/strong\u003e, the HDV9781 helps support vehicle loads, maintain proper suspension ride height, and reduce road vibration during demanding commercial trucking operations.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for compatible Freightliner AirLiner suspension configurations, this air spring is associated with \u003cstrong\u003eFreightliner 16-13840-000, Firestone W01-358-9781, Goodyear 1R12-603, and ContiTech AS9781\u003c\/strong\u003e replacement applications.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're replacing a leaking rear suspension air bag on a Freightliner Cascadia, repairing an air-ride suspension system, or maintaining a fleet of heavy-duty trucks, the \u003cstrong\u003eHD Value HDV9781\u003c\/strong\u003e provides a cost-effective aftermarket replacement option when its specifications match the original air spring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number: HDV9781 | Aluminum Base | Compatible Freightliner AirLiner Applications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9781 Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner Cascadia Applications:\u003c\/strong\u003e Designed for compatible Cascadia rear air suspension configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Piston Base:\u003c\/strong\u003e Features an aluminum lower base for applications requiring this configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Rubber Bellows:\u003c\/strong\u003e Engineered to withstand repeated suspension movement and changing vehicle loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner AirLiner Compatibility:\u003c\/strong\u003e Associated with selected Freightliner rear air-ride suspension systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRide Height Support:\u003c\/strong\u003e Helps maintain proper suspension ride height when installed in a functioning air suspension system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Isolation:\u003c\/strong\u003e Helps absorb road shock and reduce vibration transmitted through the truck chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone and Temperature Resistance:\u003c\/strong\u003e Specially formulated rubber compound helps resist environmental deterioration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Components:\u003c\/strong\u003e Electroplated components help protect against corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAftermarket Replacement:\u003c\/strong\u003e Engineered around compatible OEM appearance, form, fit, and functionality requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial Truck Applications:\u003c\/strong\u003e Suitable for qualifying Freightliner, Sterling, and Western Star air suspension systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFreightliner Cascadia Air Spring Replacement\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHD Value HDV9781 air spring\u003c\/strong\u003e is a replacement option for certain Freightliner Cascadia trucks equipped with compatible aluminum-base rear air suspension assemblies.\u003c\/p\u003e\n\n\u003cp\u003eAir springs play an important role in maintaining vehicle ride height and isolating the chassis from road vibration. Proper suspension performance helps maintain vehicle stability, driving comfort, and suspension component operation.\u003c\/p\u003e\n\n\u003cp\u003eCommon symptoms of a worn air spring include air leaks, uneven suspension height, deteriorated rubber bellows, or a truck that loses ride height while parked.\u003c\/p\u003e\n\n\u003cp\u003eReplacing a damaged air spring with a correctly matched component helps restore the suspension system's intended performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Not all Freightliner Cascadia trucks use the same air spring. Confirm the original part number, VIN, suspension model, and aluminum-base configuration before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eAluminum Base Air Spring – Why It Matters\u003c\/h2\u003e\n\n\u003cp\u003eThe HDV9781 features an \u003cstrong\u003ealuminum piston base\u003c\/strong\u003e, which is a key characteristic when matching the replacement air spring to the original suspension assembly.\u003c\/p\u003e\n\n\u003cp\u003eAir springs may have aluminum, steel, or composite piston bases, and similar-looking products can have different mounting arrangements and suspension geometry.\u003c\/p\u003e\n\n\u003cp\u003eThe HDV9781 should be selected for applications requiring its specific aluminum-base configuration, dimensions, and mounting arrangement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo not assume aluminum-base and composite-base air springs are interchangeable.\u003c\/strong\u003e Always verify the original part number and suspension requirements.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Freightliner \u0026amp; Commercial Truck Applications\u003c\/h2\u003e\n\n\u003cp\u003eThe HD Value HDV9781 is associated with compatible Freightliner AirLiner and related heavy-duty truck air suspension configurations.\u003c\/p\u003e\n\n\u003cp\u003ePotential vehicle applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eFreightliner Columbia\u003c\/li\u003e\n\u003cli\u003eFreightliner Century Class\u003c\/li\u003e\n\u003cli\u003eFreightliner Coronado\u003c\/li\u003e\n\u003cli\u003eFreightliner Classic\u003c\/li\u003e\n\u003cli\u003eOther compatible Freightliner highway tractors\u003c\/li\u003e\n\u003cli\u003eSelected Sterling commercial trucks\u003c\/li\u003e\n\u003cli\u003eSelected Western Star commercial trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e These are potential vehicle applications, not guaranteed fitments for every model year or suspension package. Compatibility depends on the original air spring part number, installed suspension model, and mounting specifications.\u003c\/p\u003e\n\n\u003ch2\u003eFreightliner AirLiner Suspension Performance\u003c\/h2\u003e\n\n\u003cp\u003eFreightliner AirLiner suspension systems use air springs to help carry vehicle loads while providing suspension movement and ride comfort.\u003c\/p\u003e\n\n\u003cp\u003eWhen correctly installed in a compatible suspension system, the HDV9781 helps support:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eProper rear suspension ride height\u003c\/li\u003e\n\u003cli\u003eConsistent suspension movement\u003c\/li\u003e\n\u003cli\u003eReduced chassis vibration\u003c\/li\u003e\n\u003cli\u003eVehicle load support within approved suspension ratings\u003c\/li\u003e\n\u003cli\u003eImproved ride comfort over uneven road surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eComplete suspension performance also depends on properly functioning height control valves, air lines, shock absorbers, bushings, and mounting components.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9781 Air Spring Cross References\u003c\/h2\u003e\n\n\u003cp\u003eThe following part numbers are associated with the HDV9781 air spring replacement family in commercial truck parts catalogs:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHD Value:\u003c\/strong\u003e HDV9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e SP 559781-KA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e 16-13840-000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e 16-16773-000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e A16-14004-000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreightliner:\u003c\/strong\u003e 681-320-0017\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone:\u003c\/strong\u003e W01-358-9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodyear:\u003c\/strong\u003e 1R12-603\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodyear:\u003c\/strong\u003e 1R12-1082\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e AS9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e 64266\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContiTech:\u003c\/strong\u003e 910S-16A382\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomann:\u003c\/strong\u003e AB1DF23-9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e FS9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeritor:\u003c\/strong\u003e MAF9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Products:\u003c\/strong\u003e 889781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorld American:\u003c\/strong\u003e WA01-9781C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlliance:\u003c\/strong\u003e ABP N32 019781\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference Warning:\u003c\/strong\u003e These are catalog interchange references for part identification. Some products may have different piston materials, mounting details, or suspension requirements. Verify the original part number, mounting dimensions, and suspension configuration before treating any cross-reference as a direct replacement.\u003c\/p\u003e\n\n\u003ch2\u003eSigns of a Failing Freightliner Air Spring\u003c\/h2\u003e\n\n\u003cp\u003eOver time, air springs can deteriorate from repeated suspension movement, changing loads, environmental exposure, and road conditions.\u003c\/p\u003e\n\n\u003cp\u003eCommon warning signs include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eTruck sitting low or leaning to one side\u003c\/li\u003e\n\u003cli\u003eAudible air leaks from the air spring or fittings\u003c\/li\u003e\n\u003cli\u003eCracks, cuts, or dry rot in the rubber bellows\u003c\/li\u003e\n\u003cli\u003eSuspension losing ride height while parked\u003c\/li\u003e\n\u003cli\u003eAir compressor cycling more frequently than normal\u003c\/li\u003e\n\u003cli\u003eHarsh ride quality or increased chassis vibration\u003c\/li\u003e\n\u003cli\u003eDamaged or corroded mounting components\u003c\/li\u003e\n\u003cli\u003eVisible damage to the aluminum piston base\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther air suspension components can cause similar symptoms. Inspect the complete system before determining the required repair.\u003c\/p\u003e\n\n\u003ch2\u003eHD Value HDV9781 Product Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HD Value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HDV9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Reference:\u003c\/strong\u003e SP 559781-KA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Heavy-Duty Suspension Air Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Rolling-Lobe Air Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower Base Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Diameter:\u003c\/strong\u003e 12.60 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvertised Overall Height Range:\u003c\/strong\u003e 8.24 to 23.16 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparately Listed Compressed Height:\u003c\/strong\u003e 7.80 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Height:\u003c\/strong\u003e 6.48 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Plate Diameter:\u003c\/strong\u003e 9.00 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Connection:\u003c\/strong\u003e Top, Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Application:\u003c\/strong\u003e Compatible Freightliner AirLiner and Related Suspensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirestone Reference:\u003c\/strong\u003e W01-358-9781\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGoodyear Reference:\u003c\/strong\u003e 1R12-603\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Air Spring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAir Spring Installation \u0026amp; Fitment Verification\u003c\/h2\u003e\n\n\u003cp\u003eBefore installing the HD Value HDV9781, verify the original air spring part number, suspension model, aluminum piston configuration, mounting plate dimensions, air inlet location, and required operating ride height.\u003c\/p\u003e\n\n\u003cp\u003eInspect air lines, fittings, height control valves, shock absorbers, brackets, and other suspension components for damage or wear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Safety Warning:\u003c\/strong\u003e Air suspension systems contain pressurized components and may move unexpectedly when pressure is released or restored. Properly support the vehicle and depressurize the suspension according to the manufacturer's procedures. Never work beneath a vehicle supported only by its air suspension.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional Installation Recommended:\u003c\/strong\u003e Heavy-duty truck suspension components should be installed by qualified technicians following approved manufacturer service instructions.\u003c\/p\u003e\n","brand":"HD Value","offers":[{"title":"Default Title","offer_id":67718654722093,"sku":null,"price":154.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/HDV-HDV9781_3.jpg?v=1792695654"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/collections\/RM-D02_2.jpg?v=1785133277","url":"https:\/\/performancedieselgroup.com\/collections\/fleet-maintenance-parts.oembed?page=3","provider":"Performance Diesel Group","version":"1.0","type":"link"}