{"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","url":"https:\/\/performancedieselgroup.com\/products\/otr-ws066-wheel-seal-12000-lb-front-axle","provider":"Performance Diesel Group","version":"1.0","type":"link"}