{"title":"Cummins Engine Parts","description":"","products":[{"product_id":"pdi-big-boss-intake-manifold-cummins-x15-isx15","title":"PDI Big Boss Intake Manifold – Cummins ISX15 \/ X15 CM2350 (2013.5–2024)","description":"\u003ch2\u003ePDI Big Boss Intake Manifold – Cummins ISX15 \/ X15 CM2350\u003c\/h2\u003e\n\u003cp\u003eThe PDI Big Boss Intake Manifold is a premium performance upgrade engineered for 2013.5–2024 Cummins ISX15 and X15 engines. Designed to improve and balance airflow throughout the engine, this direct-replacement intake manifold increases airflow by up to 35%, lowers intake air temperatures, and can deliver gains of up to 20 additional horsepower.\u003c\/p\u003e\n\u003cp\u003eUnlike restrictive factory manifolds, the PDI Big Boss Intake Manifold features an optimized internal design that distributes air more evenly across all cylinders. The result is improved combustion efficiency, enhanced throttle response, lower intake temperatures, and increased overall engine performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for factory Cummins intake manifold\u003c\/li\u003e\n\u003cli\u003eDesigned for 2013.5–2024 Cummins ISX15 and X15 engines\u003c\/li\u003e\n\u003cli\u003eIncreases airflow by up to 35%\u003c\/li\u003e\n\u003cli\u003eHelps reduce intake air temperatures\u003c\/li\u003e\n\u003cli\u003eCan deliver gains of up to 20 horsepower\u003c\/li\u003e\n\u003cli\u003eImproves airflow balance across cylinders\u003c\/li\u003e\n\u003cli\u003eUtilizes factory mounting hardware\u003c\/li\u003e\n\u003cli\u003eAvailable in Red Ceramic or Chrome finishes\u003c\/li\u003e\n\u003cli\u003eMade for owner-operators and performance-minded fleets\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 PDI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 102000064481\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins ISX15 \/ X15 CM2350\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Years:\u003c\/strong\u003e 2013.5–2024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Performance Intake Manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Unlimited Mileage Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct Bolt-On Replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eCompatible with Peterbilt, Kenworth, Freightliner, Western Star, Volvo, International, and other Class 8 truck applications equipped with Cummins ISX15 and X15 CM2350 engines from 2013.5 through 2024.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 35% more airflow than stock\u003c\/li\u003e\n\u003cli\u003eImproved cylinder-to-cylinder airflow balance\u003c\/li\u003e\n\u003cli\u003eReduced intake air temperatures\u003c\/li\u003e\n\u003cli\u003eEnhanced throttle response\u003c\/li\u003e\n\u003cli\u003eImproved combustion efficiency\u003c\/li\u003e\n\u003cli\u003ePotential horsepower gains up to 20 HP\u003c\/li\u003e\n\u003cli\u003eSupports improved fuel economy and drivability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCross Reference\u003c\/h3\u003e\n\u003cp\u003eThis PDI Big Boss Intake Manifold replaces OEM intake manifold assemblies including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 5440760\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 3688355\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDI:\u003c\/strong\u003e 102000064481\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade Your Intake Manifold?\u003c\/h3\u003e\n\u003cp\u003eFactory intake manifolds can create airflow restrictions and uneven air distribution between cylinders. The PDI Big Boss Intake Manifold is engineered to improve airflow efficiency, helping your engine breathe easier under load while improving overall performance and efficiency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBuilt for Performance and Efficiency\u003c\/h3\u003e\n\u003cp\u003ePDI designed the Big Boss Intake Manifold to help owner-operators and fleets get more out of their Cummins engine. Improved airflow and lower intake temperatures can help support better fuel economy, stronger pulling power, and enhanced engine responsiveness. :contentReference[oaicite:0]{index=0} mileage warranty.\u003c\/p\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832478601261,"sku":null,"price":1595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-intake-manifold-cummins-isx15-x15-cm2350-20135-2024pdi-performance-diesel-incperformance-diesel-group-6303753.jpg?v=1782860886"},{"product_id":"pdi-big-boss-exhaust-manifold-cummins-isx15-x15","title":"PDI Big Boss Exhaust Manifold – Cummins ISX15 \/ X15 (2010–2024)","description":"\u003ch2\u003ePDI Big Boss Exhaust Manifold – Cummins ISX15 \/ X15\u003c\/h2\u003e\n\u003cp\u003eThe PDI Big Boss Exhaust Manifold is one of the most popular performance upgrades available for Cummins ISX15 and X15 engines. Engineered to maximize exhaust flow and improve turbocharger efficiency, this premium manifold helps reduce turbo lag, lower exhaust gas temperatures (EGTs), and improve overall engine performance.\u003c\/p\u003e\n\u003cp\u003eUnlike factory manifolds that are prone to cracking, warping, and heat-related failures, the PDI Big Boss Manifold is manufactured from High Silicon Molybdenum Ductile Iron (HSMD), a superior material designed to withstand extreme heat cycles and heavy-duty commercial trucking conditions. Every runner is engineered and tested to provide balanced exhaust flow to the turbocharger, helping improve boost response and engine efficiency.\u003c\/p\u003e\n\u003cp\u003eWhether you're an owner-operator looking for improved fuel economy or a fleet seeking greater reliability, the PDI Big Boss Exhaust Manifold delivers proven performance and durability for Cummins ISX15 and X15 engines. :contentReference[oaicite:0]{index=0}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDirect replacement for factory Cummins ISX15 and X15 exhaust manifolds\u003c\/li\u003e\n\u003cli\u003eUp to 20% increase in airflow over stock manifolds\u003c\/li\u003e\n\u003cli\u003eReduces turbo lag and improves throttle response\u003c\/li\u003e\n\u003cli\u003eLowers exhaust gas temperatures by 75–100°F\u003c\/li\u003e\n\u003cli\u003eImproves exhaust pressure-to-boost pressure ratios\u003c\/li\u003e\n\u003cli\u003eConstructed from High Silicon Molybdenum Ductile Iron (HSMD)\u003c\/li\u003e\n\u003cli\u003eDesigned to resist cracking, warping, and heat erosion\u003c\/li\u003e\n\u003cli\u003eAvailable in Polished Ceramic or Black Ceramic coatings\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003e2-Year Unlimited Mileage 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 PDI Performance Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 101000074432\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins ISX15 \/ X15 Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Years:\u003c\/strong\u003e 2010–2024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e HSMD (High Silicon Molybdenum Ductile Iron)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Options:\u003c\/strong\u003e Polished Ceramic or Black Ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Year Unlimited Mileage Warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eCompatible with Cummins ISX15 and X15 powered trucks including Peterbilt, Kenworth, Freightliner, Western Star, Volvo, and International applications from 2010 through 2024. :contentReference[oaicite:1]{index=1}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCross Reference\u003c\/h3\u003e\n\u003cp\u003eThis PDI Big Boss Exhaust Manifold replaces multiple OEM Cummins manifold assemblies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 3687063\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 3692604\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 3689251\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCummins:\u003c\/strong\u003e 3687062\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDI:\u003c\/strong\u003e 101000074432\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 20% greater airflow than stock\u003c\/li\u003e\n\u003cli\u003e75–100°F cooler exhaust temperatures\u003c\/li\u003e\n\u003cli\u003eImproved turbocharger efficiency\u003c\/li\u003e\n\u003cli\u003eReduced turbo lag\u003c\/li\u003e\n\u003cli\u003eImproved throttle response\u003c\/li\u003e\n\u003cli\u003ePotential fuel economy improvements\u003c\/li\u003e\n\u003cli\u003eMore balanced exhaust flow to the turbocharger\u003c\/li\u003e\n\u003cli\u003eImproved long-haul reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade Your Exhaust Manifold?\u003c\/h3\u003e\n\u003cp\u003eFactory ISX and X15 manifolds are known for heat-related fatigue, cracking, warped mounting surfaces, and exhaust leaks over time. The PDI Big Boss manifold addresses these common issues through improved material selection and redesigned airflow characteristics. The result is improved durability and better engine efficiency under heavy loads. :contentReference[oaicite:2]{index=2}\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🔥 Increase Power \u0026amp; Reduce Turbo Lag\u003c\/h3\u003e\n\u003cp\u003eThe PDI Big Boss Exhaust Manifold is engineered to improve exhaust flow before it reaches the turbocharger. Balanced runner design and increased airflow help the turbo spool faster while reducing excessive exhaust backpressure.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Up to 20% airflow increase\u003c\/li\u003e\n\u003cli\u003e✔ Reduced turbo lag\u003c\/li\u003e\n\u003cli\u003e✔ Cooler EGTs\u003c\/li\u003e\n\u003cli\u003e✔ Improved boost response\u003c\/li\u003e\n\u003cli\u003e✔ Increased durability over stock manifolds\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrusted by owner-operators, diesel performance enthusiasts, and fleets across North America.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\u003cp\u003ePDI has become one of the most respected names in heavy-duty diesel performance. Their Big Boss product line is engineered specifically for commercial trucking applications, delivering measurable improvements in airflow, efficiency, reliability, and performance. :contentReference[oaicite:3]{index=3}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\u003cp\u003eVerify engine serial number and OEM part numbers before ordering. Contact us with your ESN for fitment verification.\u003c\/p\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832479191085,"sku":null,"price":1985.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-exhaust-manifold-cummins-isx15-x15-2010-2024pdi-performance-diesel-incperformance-diesel-group-1155995.jpg?v=1782860888"},{"product_id":"pdi-big-boss-dual-oil-cooler-cummins-x15-isx15","title":"PDI Big Boss Dual Oil Cooler – Cummins X15 \u0026 ISX15 Performance Upgrade","description":"\u003ch2\u003ePDI Big Boss Dual Oil Cooler – Cummins X15 \u0026amp; ISX15\u003c\/h2\u003e\n\u003cp\u003eThe PDI Big Boss Dual Oil Cooler is a premium cooling system upgrade engineered for Cummins ISX15 and X15 engines. Designed to significantly improve engine oil cooling capacity, this performance oil cooler helps maintain lower operating temperatures, reduce thermal stress, and improve engine durability under demanding heavy-duty applications.\u003c\/p\u003e\n\u003cp\u003eFactory oil coolers can become overwhelmed during high-load operations, steep grades, extreme temperatures, and performance-tuned applications. The PDI Big Boss Dual Oil Cooler increases cooling efficiency by utilizing a dual-cooler design that provides substantially greater heat rejection than the factory system.\u003c\/p\u003e\n\u003cp\u003eBy lowering oil temperatures, the PDI Dual Oil Cooler helps extend oil life, improve lubrication performance, protect critical engine components, and support overall engine reliability for owner-operators and fleet operations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerformance dual oil cooler system for Cummins ISX15 and X15 engines\u003c\/li\u003e\n\u003cli\u003eIncreased oil cooling capacity over factory systems\u003c\/li\u003e\n\u003cli\u003eHelps reduce engine oil temperatures under heavy loads\u003c\/li\u003e\n\u003cli\u003eImproves lubrication system efficiency\u003c\/li\u003e\n\u003cli\u003eSupports extended engine life and durability\u003c\/li\u003e\n\u003cli\u003eIdeal for heavy-haul, mountainous terrain, and high-temperature operation\u003c\/li\u003e\n\u003cli\u003eDesigned for owner-operators and fleet applications\u003c\/li\u003e\n\u003cli\u003eMade in the USA\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 PDI Performance Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Dual Engine Oil Cooler System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins ISX15 \/ X15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e CM2250, CM2350, X15 Performance Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Cooling System Components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eCompatible with Cummins ISX15 and X15 powered Peterbilt, Kenworth, Freightliner, Western Star, Volvo, and International trucks operating in severe-duty applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBenefits of Lower Oil Temperatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImproved oil viscosity stability\u003c\/li\u003e\n\u003cli\u003eReduced thermal breakdown of engine oil\u003c\/li\u003e\n\u003cli\u003eEnhanced bearing protection\u003c\/li\u003e\n\u003cli\u003eImproved turbocharger lubrication\u003c\/li\u003e\n\u003cli\u003eReduced engine wear\u003c\/li\u003e\n\u003cli\u003eExtended oil service life\u003c\/li\u003e\n\u003cli\u003eBetter performance during heavy pulling conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade Your Oil Cooler?\u003c\/h3\u003e\n\u003cp\u003eEngine oil serves as both a lubricant and a cooling medium. Excessive oil temperatures can accelerate oil degradation, increase engine wear, and reduce overall engine efficiency. Upgrading to the PDI Big Boss Dual Oil Cooler helps maintain consistent operating temperatures, especially in demanding long-haul and heavy-haul applications.\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🔥 Protect Your X15 Investment\u003c\/h3\u003e\n\u003cp\u003eModern Cummins engines operate under extreme temperatures and loads. The PDI Big Boss Dual Oil Cooler helps keep oil temperatures under control, reducing stress on internal engine components and improving long-term reliability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Increased oil cooling capacity\u003c\/li\u003e\n\u003cli\u003e✔ Improved engine protection\u003c\/li\u003e\n\u003cli\u003e✔ Better performance under load\u003c\/li\u003e\n\u003cli\u003e✔ Reduced thermal stress\u003c\/li\u003e\n\u003cli\u003e✔ Supports longer engine life\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePerfect for owner-operators, performance enthusiasts, and fleets looking to maximize engine longevity and uptime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\u003cp\u003ePDI Performance Diesel is one of the most trusted names in heavy-duty diesel performance. Their Big Boss product line is engineered to improve airflow, cooling efficiency, reliability, and overall engine performance for commercial trucking applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\u003cp\u003eVerify engine compatibility before ordering. Contact us with your engine serial number (ESN) to confirm fitment.\u003c\/p\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832487907373,"sku":null,"price":4100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-dual-oil-cooler-cummins-x15-isx15-performance-upgradepdi-performance-diesel-incperformance-diesel-group-2621427.jpg?v=1782860948"},{"product_id":"pdi-big-boss-stage-1-performance-kit-cummins-x15-isx15","title":"PDI Big Boss Stage 1 Performance Kit – Cummins X15 \u0026 ISX15 | SKU 7157718","description":"\u003ch2\u003ePDI Big Boss Stage 1 Performance Kit – Cummins X15 \u0026amp; ISX15\u003c\/h2\u003e\n\u003cp\u003eThe PDI Big Boss Stage 1 Performance Kit is the ultimate bolt-on upgrade package for Cummins ISX15 and X15 engines. Designed to improve airflow, reduce exhaust restrictions, lower operating temperatures, and increase overall engine efficiency, this comprehensive performance package combines several of PDI's most popular Big Boss components into one proven system.\u003c\/p\u003e\n\u003cp\u003eBy addressing both the intake and exhaust sides of the engine, the Stage 1 Kit helps improve turbocharger efficiency, reduce turbo lag, lower exhaust gas temperatures (EGTs), and maximize horsepower potential. Whether you're hauling heavy freight, running mountainous routes, or simply looking to improve reliability and fuel economy, the PDI Stage 1 Kit delivers measurable real-world performance benefits.\u003c\/p\u003e\n\u003cp\u003eBuilt specifically for owner-operators and performance-minded fleets, the PDI Big Boss Stage 1 Performance Kit is engineered to help your Cummins engine breathe easier, run cooler, and perform more efficiently under load.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePDI Big Boss Exhaust Manifold\u003c\/li\u003e\n\u003cli\u003ePDI Big Boss Intake Manifold\u003c\/li\u003e\n\u003cli\u003eRequired installation hardware and components\u003c\/li\u003e\n\u003cli\u003ePDI engineered airflow and exhaust performance package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete airflow performance upgrade package\u003c\/li\u003e\n\u003cli\u003eDesigned for Cummins ISX15 and X15 engines\u003c\/li\u003e\n\u003cli\u003eImproves turbocharger efficiency\u003c\/li\u003e\n\u003cli\u003eReduces turbo lag\u003c\/li\u003e\n\u003cli\u003eIncreases airflow throughout the engine\u003c\/li\u003e\n\u003cli\u003eHelps lower exhaust gas temperatures (EGTs)\u003c\/li\u003e\n\u003cli\u003eImproves throttle response\u003c\/li\u003e\n\u003cli\u003eSupports improved fuel economy\u003c\/li\u003e\n\u003cli\u003eBuilt for heavy-duty commercial applications\u003c\/li\u003e\n\u003cli\u003eMade in the USA\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 PDI Performance Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™ Stage 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 7157718\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins ISX15 \u0026amp; X15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Performance Upgrade Package\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct Bolt-On Components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eCompatible with Cummins ISX15 and X15 powered trucks including Peterbilt, Kenworth, Freightliner, Western Star, Volvo, and International applications. Ideal for long-haul, heavy-haul, vocational, and performance-focused trucking operations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImproved intake airflow\u003c\/li\u003e\n\u003cli\u003eImproved exhaust flow\u003c\/li\u003e\n\u003cli\u003eReduced turbo lag\u003c\/li\u003e\n\u003cli\u003eLower EGTs under load\u003c\/li\u003e\n\u003cli\u003eEnhanced engine efficiency\u003c\/li\u003e\n\u003cli\u003eImproved throttle response\u003c\/li\u003e\n\u003cli\u003ePotential fuel economy improvements\u003c\/li\u003e\n\u003cli\u003eImproved pulling power on grades\u003c\/li\u003e\n\u003cli\u003eReduced thermal stress on engine components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade to a Stage 1 Performance Kit?\u003c\/h3\u003e\n\u003cp\u003eMany performance upgrades address only one side of the engine. The PDI Big Boss Stage 1 Kit improves both intake and exhaust airflow, creating a balanced system that allows the turbocharger and engine to operate more efficiently. This integrated approach helps maximize performance while maintaining reliability for daily commercial use.\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🔥 The Most Popular Performance Upgrade for Cummins X15 Engines\u003c\/h3\u003e\n\u003cp\u003eThe Stage 1 Performance Kit combines PDI's proven airflow technologies into one package designed to deliver real-world improvements in power, efficiency, and drivability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Improved airflow from intake to turbo\u003c\/li\u003e\n\u003cli\u003e✔ Reduced turbo lag\u003c\/li\u003e\n\u003cli\u003e✔ Lower exhaust temperatures\u003c\/li\u003e\n\u003cli\u003e✔ Increased engine efficiency\u003c\/li\u003e\n\u003cli\u003e✔ Built for heavy-duty trucking applications\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTrusted by owner-operators and fleets looking for improved reliability, stronger pulling power, and better overall engine performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\u003cp\u003ePDI Performance Diesel has become one of the most respected names in heavy-duty diesel performance. The Big Boss product line is engineered specifically for commercial trucking applications, delivering measurable improvements in airflow, cooling, durability, and performance without compromising reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\u003cp\u003eVerify engine model and application before ordering. Contact us with your engine serial number (ESN) for fitment verification.\u003c\/p\u003e","brand":"Performance Diesel Group","offers":[{"title":"Default Title","offer_id":66832492232749,"sku":"7157718","price":3795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-stage-1-performance-kit-cummins-x15-isx15-sku-7157718performance-diesel-groupperformance-diesel-group7157718-9607669.jpg?v=1782860946"},{"product_id":"pdi-big-boss-stage-2-performance-kit-cummins-x15-isx15","title":"PDI Big Boss Stage 2 Performance Kit – Cummins X15 \u0026 ISX15 | SKU 7157728","description":"\u003ch2\u003ePDI Big Boss Stage 2 Performance Kit – Cummins X15 \u0026amp; ISX15\u003c\/h2\u003e\n\n\u003cp\u003e\nThe PDI Big Boss Stage 2 Performance Kit is the next level in Cummins X15 and ISX15 performance upgrades. Building upon the proven airflow improvements of the Stage 1 package, the Stage 2 Kit combines PDI's industry-leading intake, exhaust, and cooling technologies into one complete performance system designed to maximize efficiency, reliability, and horsepower potential.\n\u003c\/p\u003e\n\n\u003cp\u003e\nEngineered specifically for owner-operators and fleets that demand more from their equipment, the Stage 2 package helps reduce turbo lag, improve throttle response, lower exhaust gas temperatures (EGTs), reduce oil temperatures, and improve overall engine efficiency under heavy loads.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhether you're pulling heavy freight through mountain grades, operating in extreme climates, or looking to maximize engine longevity, the PDI Big Boss Stage 2 Performance Kit delivers one of the most comprehensive bolt-on upgrades available for Cummins ISX15 and X15 engines.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePDI Big Boss Intake Manifold\u003c\/li\u003e\n\n\u003cli\u003ePDI Big Boss Exhaust Manifold\u003c\/li\u003e\n\n\u003cli\u003ePDI Big Boss Dual Oil Cooler System\u003c\/li\u003e\n\n\u003cli\u003eRequired hardware and installation components\u003c\/li\u003e\n\n\u003cli\u003ePDI engineered performance package designed to improve airflow and cooling efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete airflow and cooling performance package\u003c\/li\u003e\n\n\u003cli\u003eDesigned for Cummins ISX15 and X15 engines\u003c\/li\u003e\n\n\u003cli\u003eImproves intake airflow throughout the engine\u003c\/li\u003e\n\n\u003cli\u003eImproves exhaust flow to the turbocharger\u003c\/li\u003e\n\n\u003cli\u003eReduces turbo lag and improves spool-up\u003c\/li\u003e\n\n\u003cli\u003eLowers exhaust gas temperatures (EGTs)\u003c\/li\u003e\n\n\u003cli\u003eReduces engine oil temperatures\u003c\/li\u003e\n\n\u003cli\u003eImproves throttle response and drivability\u003c\/li\u003e\n\n\u003cli\u003eSupports improved fuel economy\u003c\/li\u003e\n\n\u003cli\u003eBuilt for severe-duty commercial applications\u003c\/li\u003e\n\n\u003cli\u003eMade in the USA\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 PDI Performance Diesel\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™ Stage 2\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 7157728\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins X15 \u0026amp; ISX15\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Performance Upgrade Package\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct Bolt-On Components\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cp\u003e\nCompatible with Cummins X15 and ISX15 powered Peterbilt, Kenworth, Freightliner, Western Star, International, and Volvo trucks operating in long-haul, heavy-haul, vocational, and performance-focused applications.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eImproved intake airflow efficiency\u003c\/li\u003e\n\n\u003cli\u003eImproved exhaust flow and turbocharger performance\u003c\/li\u003e\n\n\u003cli\u003eReduced turbo lag\u003c\/li\u003e\n\n\u003cli\u003eLower exhaust gas temperatures\u003c\/li\u003e\n\n\u003cli\u003eLower engine oil temperatures\u003c\/li\u003e\n\n\u003cli\u003eEnhanced engine reliability\u003c\/li\u003e\n\n\u003cli\u003eImproved throttle response\u003c\/li\u003e\n\n\u003cli\u003ePotential fuel economy improvements\u003c\/li\u003e\n\n\u003cli\u003eBetter pulling power under load\u003c\/li\u003e\n\n\u003cli\u003eReduced thermal stress on critical engine components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Upgrade to the Stage 2 Kit?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe Stage 2 Performance Kit addresses two of the biggest challenges facing modern heavy-duty diesel engines: airflow restriction and heat management. By combining upgraded intake and exhaust components with PDI's Dual Oil Cooler system, the Stage 2 package creates a more efficient engine environment that supports both performance and long-term reliability.\n\u003c\/p\u003e\n\n\u003cp\u003e\nLower operating temperatures and improved airflow help protect expensive engine components including turbochargers, pistons, bearings, cylinder heads, and valve train assemblies.\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🔥 The Ultimate Reliability \u0026amp; Performance Package\u003c\/h3\u003e\n\n\u003cp\u003e\nIf you're looking for more than just horsepower, the PDI Big Boss Stage 2 Kit delivers a complete performance and cooling solution designed for real-world trucking applications.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Increased airflow throughout the engine\u003c\/li\u003e\n\u003cli\u003e✔ Improved turbo efficiency\u003c\/li\u003e\n\u003cli\u003e✔ Reduced turbo lag\u003c\/li\u003e\n\u003cli\u003e✔ Lower EGTs\u003c\/li\u003e\n\u003cli\u003e✔ Lower oil temperatures\u003c\/li\u003e\n\u003cli\u003e✔ Improved engine durability\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nTrusted by owner-operators, performance enthusiasts, and fleets that demand maximum reliability and efficiency from their Cummins engines.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\n\u003cp\u003e\nPDI Performance Diesel has spent decades engineering airflow and cooling solutions for the heavy-duty trucking industry. Their Big Boss product line is designed specifically to help diesel engines run cooler, breathe better, and perform more efficiently under demanding operating conditions.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRecommended Upgrades\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePDI Big Boss Turbocharger Upgrades\u003c\/li\u003e\n\n\u003cli\u003eHigh-Flow Air Intake Systems\u003c\/li\u003e\n\n\u003cli\u003ePremium Fuel Filtration Systems\u003c\/li\u003e\n\n\u003cli\u003ePerformance Charge Air Coolers\u003c\/li\u003e\n\n\u003cli\u003eHeavy-Duty Cooling Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\n\u003cp\u003e\nVerify engine model and engine serial number (ESN) before ordering. Contact our team for application verification and product recommendations.\n\u003c\/p\u003e\n\u003cdiv style=\"background:#fff7ef;padding:20px;border:1px solid #ffb366;border-radius:8px;margin-top:20px;\"\u003e\n\u003ch3\u003e🚛 Complete Your X15 Performance Build\u003c\/h3\u003e\n\n\u003cp\u003eCustomers purchasing the Stage 2 Kit frequently add:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ PDI Big Boss Turbocharger\u003c\/li\u003e\n\u003cli\u003e✔ PDI Big Boss CAC Pipe Kit\u003c\/li\u003e\n\u003cli\u003e✔ High-Performance Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Premium Fuel Filter Service Kits\u003c\/li\u003e\n\u003cli\u003e✔ Water Pump \u0026amp; Cooling System Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eBundle maintenance and performance upgrades together to maximize reliability and reduce downtime.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832494231597,"sku":"7157728","price":6935.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-stage-2-performance-kit-cummins-x15-isx15-sku-7157728pdi-performance-diesel-incperformance-diesel-group7157728-8499539.jpg?v=1782860946"},{"product_id":"pdi-big-boss-stage-3-performance-kit-cummins-x15-isx15","title":"PDI Big Boss Stage 3 Performance Kit – Cummins X15 \u0026 ISX15 | SKU 715773","description":"\u003ch2\u003ePDI Big Boss Stage 3 Performance Kit – Cummins X15 \u0026amp; ISX15\u003c\/h2\u003e\n\n\u003cp\u003e\nThe PDI Big Boss Stage 3 Performance Kit is the flagship performance package for Cummins ISX15 and X15 engines. Designed to deliver maximum airflow, superior cooling, improved drivability, and enhanced engine efficiency, this complete system combines PDI's most advanced Big Boss components into one comprehensive upgrade package. The kit includes a Performance Tuner, Intake Manifold, Ceramic-Coated Exhaust Manifold, and Dual Oil Cooler to create the ultimate performance and reliability solution. :contentReference[oaicite:0]{index=0}\n\u003c\/p\u003e\n\n\u003cp\u003e\nBy improving both intake and exhaust flow while reducing oil temperatures, the Stage 3 Kit helps your engine breathe easier, operate cooler, and respond faster under load. Whether you're hauling heavy freight through mountain grades, operating in extreme temperatures, or simply looking to maximize engine efficiency, this package is designed to deliver measurable real-world results. :contentReference[oaicite:1]{index=1}\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor owner-operators and fleets looking for the most complete Cummins performance upgrade available, the PDI Big Boss Stage 3 Package represents the pinnacle of airflow, cooling, and performance engineering. :contentReference[oaicite:2]{index=2}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePDI Big Boss Performance Tuner with Mount\u003c\/li\u003e\n\n\u003cli\u003ePDI Big Boss Intake Manifold\u003c\/li\u003e\n\n\u003cli\u003ePDI Big Boss Ceramic-Coated Exhaust Manifold\u003c\/li\u003e\n\n\u003cli\u003ePDI Big Boss Dual Oil Cooler\u003c\/li\u003e\n\n\u003cli\u003eExhaust Manifold Installation Kit\u003c\/li\u003e\n\n\u003cli\u003eStainless Spacer and Bolt Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete performance, airflow, and cooling package\u003c\/li\u003e\n\n\u003cli\u003eDesigned for Cummins ISX15 and X15 engines\u003c\/li\u003e\n\n\u003cli\u003eIncludes PDI Big Boss Performance Tuner\u003c\/li\u003e\n\n\u003cli\u003eImproves intake airflow efficiency\u003c\/li\u003e\n\n\u003cli\u003eImproves exhaust flow to the turbocharger\u003c\/li\u003e\n\n\u003cli\u003eHelps reduce turbo lag\u003c\/li\u003e\n\n\u003cli\u003eLowers exhaust gas temperatures (EGTs)\u003c\/li\u003e\n\n\u003cli\u003eReduces engine oil temperatures\u003c\/li\u003e\n\n\u003cli\u003eImproves throttle response and drivability\u003c\/li\u003e\n\n\u003cli\u003eSupports improved fuel economy and pulling power\u003c\/li\u003e\n\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\n\u003cli\u003e1-Year Unlimited Mileage Warranty\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 PDI Performance Diesel\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™ Stage 3\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 715773\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins X15 \u0026amp; ISX15\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eEngine Years:\u003c\/strong\u003e 2010–2024\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Unlimited Mileage Warranty\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMade In:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cp\u003e\nCompatible with Cummins X15 and ISX15 powered Peterbilt, Kenworth, Freightliner, Western Star, International, and Volvo trucks operating in long-haul, heavy-haul, vocational, and owner-operator applications. :contentReference[oaicite:3]{index=3}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaximum airflow improvement throughout the engine\u003c\/li\u003e\n\n\u003cli\u003eImproved turbocharger efficiency\u003c\/li\u003e\n\n\u003cli\u003eReduced turbo lag\u003c\/li\u003e\n\n\u003cli\u003eLower EGTs under heavy loads\u003c\/li\u003e\n\n\u003cli\u003eReduced oil temperatures\u003c\/li\u003e\n\n\u003cli\u003eEnhanced throttle response\u003c\/li\u003e\n\n\u003cli\u003eImproved drivability and pulling power\u003c\/li\u003e\n\n\u003cli\u003ePotential fuel economy improvements\u003c\/li\u003e\n\n\u003cli\u003eReduced thermal stress on engine components\u003c\/li\u003e\n\n\u003cli\u003eEnhanced long-term engine reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose the Stage 3 Kit?\u003c\/h3\u003e\n\n\u003cp\u003e\nUnlike individual performance upgrades, the Stage 3 Kit addresses every major airflow and cooling restriction within the engine system. The intake manifold improves incoming airflow, the exhaust manifold improves exhaust evacuation, the Dual Oil Cooler reduces oil temperatures, and the Big Boss Tuner optimizes engine performance. Together, these components create a balanced system engineered for maximum efficiency and reliability. :contentReference[oaicite:4]{index=4}\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🔥 The Ultimate Cummins X15 Upgrade Package\u003c\/h3\u003e\n\n\u003cp\u003e\nThe PDI Big Boss Stage 3 Kit combines every major airflow and cooling upgrade into one complete package, helping your engine run cooler, pull harder, and operate more efficiently.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Big Boss Performance Tuner Included\u003c\/li\u003e\n\u003cli\u003e✔ Big Boss Intake Manifold Included\u003c\/li\u003e\n\u003cli\u003e✔ Big Boss Exhaust Manifold Included\u003c\/li\u003e\n\u003cli\u003e✔ Big Boss Dual Oil Cooler Included\u003c\/li\u003e\n\u003cli\u003e✔ Reduced Turbo Lag\u003c\/li\u003e\n\u003cli\u003e✔ Lower EGTs \u0026amp; Oil Temperatures\u003c\/li\u003e\n\u003cli\u003e✔ Improved Engine Efficiency\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nBuilt for serious owner-operators and fleets looking for maximum performance, reliability, and efficiency from their Cummins X15 platform.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\n\u003cp\u003e\nPDI Performance Diesel is one of the most trusted names in heavy-duty diesel performance. Their Big Boss product line is engineered specifically for commercial trucking applications and focuses on improving airflow, cooling efficiency, durability, and real-world performance. :contentReference[oaicite:5]{index=5}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\n\u003cp\u003e\nVerify engine serial number (ESN) before ordering. Contact us with your ESN for fitment verification and product recommendations.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\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\n\u003cp\u003eCustomers purchasing the Stage 3 Kit commonly add:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ PDI Big Boss Turbocharger Upgrades\u003c\/li\u003e\n\u003cli\u003e✔ High-Flow Air Filter Systems\u003c\/li\u003e\n\u003cli\u003e✔ Charge Air Cooler (CAC) Pipe Kits\u003c\/li\u003e\n\u003cli\u003e✔ Premium Fuel Filtration Kits\u003c\/li\u003e\n\u003cli\u003e✔ Water Pumps \u0026amp; Cooling Components\u003c\/li\u003e\n\u003cli\u003e✔ Engine Sensor Replacement Kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eBundle performance and maintenance upgrades together to maximize reliability, fuel efficiency, and uptime.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832851075117,"sku":"715773","price":11035.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-stage-3-performance-kit-cummins-x15-isx15-sku-715773pdi-performance-diesel-incperformance-diesel-group715773-2125931.png?v=1782860947"},{"product_id":"pdi-big-boss-compound-turbo-kit-cummins-x15-isx15","title":"PDI Big Boss Compound Turbo Kit – Cummins X15 \u0026 ISX15 | SKU 141715895041","description":"\u003ch2\u003ePDI Big Boss Compound Turbo Kit – Cummins X15 \u0026amp; ISX15\u003c\/h2\u003e\n\u003cp\u003eThe PDI Big Boss Compound Turbo Kit is the ultimate turbocharger upgrade for Cummins ISX15 and X15 engines. Engineered for serious owner-operators, performance enthusiasts, and heavy-haul applications, this twin turbo system is designed to dramatically improve airflow, increase horsepower potential, reduce exhaust gas temperatures, and enhance overall engine efficiency. The system is built to support applications producing 550–700 horsepower while maintaining excellent drivability and reliability.\u003c\/p\u003e\n\u003cp\u003eUnlike a conventional single turbo setup, the PDI Big Boss Compound System utilizes both a high-pressure and low-pressure turbocharger working together to deliver increased airflow throughout the entire RPM range. This results in faster spool-up, improved boost response, lower EGTs, and stronger pulling power under heavy loads.\u003c\/p\u003e\n\u003cp\u003eWhether you're climbing mountain grades, hauling oversized loads, or simply looking for maximum performance from your Cummins engine, the PDI Big Boss Compound Kit provides one of the most effective airflow upgrades available for the ISX15 and X15 platform. :contentReference[oaicite:0]{index=0}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete compound twin turbocharger system\u003c\/li\u003e\n\u003cli\u003eDesigned for Cummins ISX15 and X15 engines\u003c\/li\u003e\n\u003cli\u003eSupports 550–700 horsepower applications\u003c\/li\u003e\n\u003cli\u003eImproves airflow throughout the RPM range\u003c\/li\u003e\n\u003cli\u003eReduces turbo lag\u003c\/li\u003e\n\u003cli\u003eImproves throttle response\u003c\/li\u003e\n\u003cli\u003eLowers exhaust gas temperatures (EGTs)\u003c\/li\u003e\n\u003cli\u003eIncreases boost efficiency\u003c\/li\u003e\n\u003cli\u003eBuilt for heavy-duty commercial trucking applications\u003c\/li\u003e\n\u003cli\u003eDesigned to maximize engine performance and reliability\u003c\/li\u003e\n\u003cli\u003eMade in the USA\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 PDI Performance Diesel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Big Boss™ Compound System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 141715895041\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins ISX15 \u0026amp; X15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Years:\u003c\/strong\u003e 2010–2020\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower Capability:\u003c\/strong\u003e 550–700 HP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo Configuration:\u003c\/strong\u003e Compound Twin Turbo System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Unlimited Mileage Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eCompatible with Cummins ISX15 and X15 powered Peterbilt, Kenworth, Freightliner, Western Star, International, and Volvo trucks operating in long-haul, heavy-haul, vocational, agricultural, and performance applications. :contentReference[oaicite:1]{index=1}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports 550–700 horsepower builds\u003c\/li\u003e\n\u003cli\u003eSignificantly improved airflow capacity\u003c\/li\u003e\n\u003cli\u003eFaster turbo spool-up\u003c\/li\u003e\n\u003cli\u003eReduced turbo lag\u003c\/li\u003e\n\u003cli\u003eLower exhaust gas temperatures\u003c\/li\u003e\n\u003cli\u003eImproved fuel efficiency potential\u003c\/li\u003e\n\u003cli\u003eEnhanced pulling power under load\u003c\/li\u003e\n\u003cli\u003eImproved engine responsiveness\u003c\/li\u003e\n\u003cli\u003eBetter overall turbocharger efficiency\u003c\/li\u003e\n\u003cli\u003eReduced thermal stress on engine components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade to Compound Turbos?\u003c\/h3\u003e\n\u003cp\u003eA compound turbo system allows two turbochargers to work together, delivering higher airflow volumes while maintaining strong low-end response. The smaller turbo provides quick spool-up and immediate throttle response, while the larger turbo delivers the airflow needed to support higher horsepower levels and sustained performance under heavy loads.\u003c\/p\u003e\n\u003cp\u003eThis design helps improve boost control, reduce exhaust temperatures, and create a broader powerband than a traditional single turbocharger setup.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eBuilt for Serious Cummins Performance\u003c\/h3\u003e\n\u003cp\u003eThe PDI Big Boss Compound Kit is designed for operators who demand maximum performance from their ISX15 or X15 engine. When paired with other Big Boss airflow products such as the Intake Manifold, Exhaust Manifold, and Performance Tuner, the system helps unlock the full performance potential of the Cummins platform. :contentReference[oaicite:2]{index=2}\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🔥 Maximize Airflow. Maximize Power.\u003c\/h3\u003e\n\u003cp\u003eThe PDI Big Boss Compound Turbo Kit is designed to move substantially more air than a factory turbocharger system, allowing your engine to produce more power while operating more efficiently.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Supports 550–700 HP Applications\u003c\/li\u003e\n\u003cli\u003e✔ Reduced Turbo Lag\u003c\/li\u003e\n\u003cli\u003e✔ Faster Boost Response\u003c\/li\u003e\n\u003cli\u003e✔ Lower EGTs\u003c\/li\u003e\n\u003cli\u003e✔ Improved Pulling Power\u003c\/li\u003e\n\u003cli\u003e✔ Built for Heavy-Duty Trucking\u003c\/li\u003e\n\u003cli\u003e✔ Made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIdeal for owner-operators, heavy-haul operators, and performance-minded fleets looking for the ultimate Cummins airflow upgrade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose PDI?\u003c\/h3\u003e\n\u003cp\u003ePDI Performance Diesel is one of the most respected names in heavy-duty diesel performance. Their Big Boss product line is engineered specifically for commercial trucking applications, delivering measurable improvements in airflow, cooling efficiency, durability, and real-world performance. :contentReference[oaicite:3]{index=3}\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFitment Notice\u003c\/h3\u003e\n\u003cp\u003eVerify engine serial number (ESN) before ordering. This kit is designed for 2010–2020 Cummins ISX15 and X15 engines. Contact us for fitment verification and installation recommendations.\u003c\/p\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\u003cp\u003eCustomers purchasing the PDI Compound Kit frequently add:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ PDI Big Boss Performance Tuner\u003c\/li\u003e\n\u003cli\u003e✔ PDI Big Boss Intake Manifold\u003c\/li\u003e\n\u003cli\u003e✔ PDI Big Boss Exhaust Manifold\u003c\/li\u003e\n\u003cli\u003e✔ PDI Big Boss Dual Oil Cooler\u003c\/li\u003e\n\u003cli\u003e✔ High-Flow Charge Air Cooler (CAC) Piping\u003c\/li\u003e\n\u003cli\u003e✔ Premium Fuel Filtration Systems\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Cooling Components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCombine airflow, cooling, and tuning upgrades to maximize horsepower, reliability, fuel efficiency, and turbocharger performance.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":66832855498797,"sku":"141715895041","price":6850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/pdi-big-boss-compound-turbo-kit-cummins-x15-isx15-sku-141715895041pdi-performance-diesel-incperformance-diesel-group141715895041-1112982.png?v=1782860948"},{"product_id":"donaldson-p559000-oil-filter-cummins-x15-isx","title":"Donaldson P559000 Oil Filter | Cummins X15 \u0026 ISX Heavy Duty Lube Filter","description":"\u003ch2\u003eDonaldson P559000 Oil Filter for Cummins X15 \u0026amp; ISX Engines\u003c\/h2\u003e\n\u003cp\u003eLooking for the best oil filter for your Cummins X15 or ISX engine? The Donaldson P559000 Full-Flow Spin-On Oil Filter is engineered to provide superior engine protection, extended service intervals, and exceptional contaminant removal for today's heavy-duty diesel engines.\u003c\/p\u003e\n\u003cp\u003eBuilt with Donaldson's advanced Synteq™ filtration media, the P559000 delivers up to 97.6% efficiency at 15 microns while offering significantly greater contaminant holding capacity than conventional cellulose filters. This helps keep engine oil cleaner, reduces engine wear, and protects critical components including bearings, camshafts, turbochargers, and pistons. :contentReference[oaicite:0]{index=0}\u003c\/p\u003e\n\u003cp\u003eCommonly used on Cummins X15 and ISX-powered Freightliner Cascadia, Peterbilt, Kenworth, Western Star, and International trucks, the Donaldson P559000 is trusted by owner-operators and fleets seeking maximum engine protection and reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium full-flow lube oil filtration\u003c\/li\u003e\n\u003cli\u003eAdvanced Donaldson Synteq™ filtration media\u003c\/li\u003e\n\u003cli\u003e97.6% efficiency at 15 microns\u003c\/li\u003e\n\u003cli\u003eSuperior contaminant holding capacity\u003c\/li\u003e\n\u003cli\u003eProtects turbochargers and internal engine components\u003c\/li\u003e\n\u003cli\u003eSpin-on design for easy service\u003c\/li\u003e\n\u003cli\u003eDesigned for extended maintenance programs\u003c\/li\u003e\n\u003cli\u003eBuilt for severe-duty trucking applications\u003c\/li\u003e\n\u003cli\u003eFor Cummins X15 and ISX engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e P559000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Donaldson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e Full-Flow Lube Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Spin-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.65\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 11.69\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M95 x 2.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicron Rating:\u003c\/strong\u003e 15 Micron Absolute\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBenefits of Replacing Your Oil Filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImproved engine protection\u003c\/li\u003e\n\u003cli\u003eCleaner engine oil\u003c\/li\u003e\n\u003cli\u003eReduced internal engine wear\u003c\/li\u003e\n\u003cli\u003eExtended turbocharger life\u003c\/li\u003e\n\u003cli\u003eSupports maximum fuel efficiency\u003c\/li\u003e\n\u003cli\u003eReduced maintenance costs\u003c\/li\u003e\n\u003cli\u003eImproved engine reliability\u003c\/li\u003e\n\u003cli\u003eLonger service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSigns Your Oil Filter Needs Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow oil pressure\u003c\/li\u003e\n\u003cli\u003eDirty engine oil\u003c\/li\u003e\n\u003cli\u003eEngine noise\u003c\/li\u003e\n\u003cli\u003eReduced fuel economy\u003c\/li\u003e\n\u003cli\u003eExcessive soot contamination\u003c\/li\u003e\n\u003cli\u003eScheduled PM interval reached\u003c\/li\u003e\n\u003cli\u003eCheck engine warnings\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\u003ePeterbilt 579\u003c\/li\u003e\n\u003cli\u003ePeterbilt 389\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth W900\u003c\/li\u003e\n\u003cli\u003eWestern Star 5700XE\u003c\/li\u003e\n\u003cli\u003eInternational LT Series\u003c\/li\u003e\n\u003cli\u003eCummins X15 Engines\u003c\/li\u003e\n\u003cli\u003eCummins ISX Engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cp\u003eThe Donaldson P559000 crosses with many popular OEM and aftermarket oil filters:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFleetguard LF14000NN\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9001\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9018\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9080\u003c\/li\u003e\n\u003cli\u003eBaldwin BD50000\u003c\/li\u003e\n\u003cli\u003eBaldwin BD7154\u003c\/li\u003e\n\u003cli\u003eBaldwin BD7355\u003c\/li\u003e\n\u003cli\u003eWIX 57746XD\u003c\/li\u003e\n\u003cli\u003eLuber-Finer LFP9000\u003c\/li\u003e\n\u003cli\u003eLuber-Finer LFP9001\u003c\/li\u003e\n\u003cli\u003eDonaldson P550949\u003c\/li\u003e\n\u003cli\u003eCummins LF14000NN\u003c\/li\u003e\n\u003cli\u003eCummins LF9001\u003c\/li\u003e\n\u003cli\u003eTruckPro DNP559000\u003c\/li\u003e\n\u003cli\u003eVolvo 85114044\u003c\/li\u003e\n\u003cli\u003eACDelco PF1269\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional interchange numbers include 2874490, 2882674, 4331005, 3101868, 3101869, RE574468, WP12001, WP12120, and many other OEM references.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Fleet Managers Choose Donaldson\u003c\/h3\u003e\n\u003cp\u003eDonaldson filtration products are trusted worldwide because they consistently deliver excellent filtration efficiency, extended service life, and superior engine protection. The P559000 is one of the most widely used heavy-duty oil filters for Cummins-powered trucks operating in severe-duty environments.\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🔥 Maximize Engine Life \u0026amp; Reduce Downtime\u003c\/h3\u003e\n\u003cp\u003eYour oil filter is the first line of defense against engine wear. The Donaldson P559000 is engineered to capture damaging contaminants while maintaining optimal oil flow under the most demanding operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Cummins X15 Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Cummins ISX Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Extended Service Intervals\u003c\/li\u003e\n\u003cli\u003e✔ Superior Filtration Efficiency\u003c\/li\u003e\n\u003cli\u003e✔ Fleet-Proven Performance\u003c\/li\u003e\n\u003cli\u003e✔ Trusted by Owner-Operators Nationwide\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✔ Donaldson P555776 Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P583177 Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Cummins X15 Maintenance Kits\u003c\/li\u003e\n\u003cli\u003e✔ Engine Oil Service Packages\u003c\/li\u003e\n\u003cli\u003e✔ Fuel Water Separators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your PM service and maximize engine protection by replacing all filtration components together.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":66902007808045,"sku":null,"price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/donaldson-p559000-oil-filter-cummins-x15-isx-heavy-duty-lube-filterdonaldsonperformance-diesel-group-7658392.jpg?v=1782860886"},{"product_id":"donaldson-p550949-oil-filter-cummins-x15-isx","title":"Donaldson P550949 Oil Filter | Cummins X15, ISX \u0026 Heavy-Duty Diesel Engines","description":"\u003ch2\u003eDonaldson P550949 Full-Flow Oil Filter for Cummins X15 \u0026amp; ISX Engines\u003c\/h2\u003e\n\u003cp\u003eThe Donaldson P550949 Oil Filter is a premium full-flow spin-on lube filter engineered to provide exceptional engine protection for Cummins X15, Cummins ISX, and other heavy-duty diesel engine applications. Built with Donaldson's advanced synthetic filtration media, the P550949 delivers superior contaminant removal, extended service life, and maximum lubrication system protection.\u003c\/p\u003e\n\u003cp\u003eDesigned for today's high-performance diesel engines, the Donaldson P550949 helps remove harmful particles, soot, and contaminants before they can cause premature wear to critical engine components. Its synthetic media construction offers significantly greater contaminant holding capacity compared to conventional cellulose filters, making it ideal for owner-operators, fleets, and extended maintenance intervals.\u003c\/p\u003e\n\u003cp\u003eCommonly used in Freightliner Cascadia, Peterbilt 579, Kenworth T680, Western Star, and International trucks equipped with Cummins X15 and ISX engines, the P550949 is trusted throughout the trucking industry for dependable filtration performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium full-flow lube oil filter\u003c\/li\u003e\n\u003cli\u003eAdvanced synthetic filtration media\u003c\/li\u003e\n\u003cli\u003e99% efficiency at 30 microns\u003c\/li\u003e\n\u003cli\u003eTwice the contaminant holding capacity of standard cellulose filters\u003c\/li\u003e\n\u003cli\u003eDesigned for extended maintenance programs\u003c\/li\u003e\n\u003cli\u003eExcellent cold-flow performance\u003c\/li\u003e\n\u003cli\u003eHeavy-duty construction for severe-duty applications\u003c\/li\u003e\n\u003cli\u003eSpin-on design for easy installation\u003c\/li\u003e\n\u003cli\u003eCompatible with Cummins X15 and ISX engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e P550949\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Donaldson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e Full-Flow Lube Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Spin-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia Type:\u003c\/strong\u003e Synthetic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.65\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 11.69\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e M95 x 2.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsolute Micron Rating:\u003c\/strong\u003e 15 Microns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBenefits of Replacing Your Oil Filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCleaner engine oil\u003c\/li\u003e\n\u003cli\u003eReduced engine wear\u003c\/li\u003e\n\u003cli\u003eImproved turbocharger protection\u003c\/li\u003e\n\u003cli\u003eLonger engine life\u003c\/li\u003e\n\u003cli\u003eSupports extended oil drain intervals\u003c\/li\u003e\n\u003cli\u003eReduced maintenance costs\u003c\/li\u003e\n\u003cli\u003eMaximum engine reliability\u003c\/li\u003e\n\u003cli\u003eImproved fleet uptime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSigns Your Oil Filter Needs Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow oil pressure\u003c\/li\u003e\n\u003cli\u003eDirty engine oil\u003c\/li\u003e\n\u003cli\u003eExcessive soot contamination\u003c\/li\u003e\n\u003cli\u003eEngine noise during startup\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency\u003c\/li\u003e\n\u003cli\u003eScheduled PM interval reached\u003c\/li\u003e\n\u003cli\u003eOil analysis indicating contamination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCummins X15 Engines\u003c\/li\u003e\n\u003cli\u003eCummins ISX Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\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\u003eWestern Star 5700XE\u003c\/li\u003e\n\u003cli\u003eInternational LT Series\u003c\/li\u003e\n\u003cli\u003eVocational \u0026amp; Fleet Trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Donaldson P550949 is commonly used in Freightliner, Kenworth, and International applications operating in long-haul, regional, vocational, and heavy-duty service environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cp\u003eThe Donaldson P550949 crosses with many of the most popular heavy-duty oil filters in the industry:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDonaldson P559000\u003c\/li\u003e\n\u003cli\u003eFleetguard LF14000NN\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9001\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9018\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9080\u003c\/li\u003e\n\u003cli\u003eBaldwin BD7154\u003c\/li\u003e\n\u003cli\u003eBaldwin BD7355\u003c\/li\u003e\n\u003cli\u003eBaldwin BD50000\u003c\/li\u003e\n\u003cli\u003eLuber-Finer LFP9001\u003c\/li\u003e\n\u003cli\u003eWIX 57746XD\u003c\/li\u003e\n\u003cli\u003eMann WP12120\u003c\/li\u003e\n\u003cli\u003eTruckPro DNP550949\u003c\/li\u003e\n\u003cli\u003eFram PH8691A\u003c\/li\u003e\n\u003cli\u003eACDelco PF1269\u003c\/li\u003e\n\u003cli\u003eJohn Deere RE574468\u003c\/li\u003e\n\u003cli\u003eCummins 2882673\u003c\/li\u003e\n\u003cli\u003eCummins 2882674\u003c\/li\u003e\n\u003cli\u003eCummins 4331005\u003c\/li\u003e\n\u003cli\u003eCummins 4367100\u003c\/li\u003e\n\u003cli\u003eVolvo 85114044\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional OEM and aftermarket interchange numbers include 2874490, 3101868, 3101869, 3406809, 3406810, 4136480, 57746, 84746XD, ABPN10GLF9001, and many others.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Choose Donaldson Filtration?\u003c\/h3\u003e\n\u003cp\u003eDonaldson has been a trusted name in heavy-duty filtration for decades. The P550949 utilizes synthetic media technology that provides superior contaminant capture and longer service life compared to conventional filters. This helps maintain cleaner oil, reduce engine wear, and protect expensive engine components throughout the service interval.\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🔥 Protect Your Cummins Engine Investment\u003c\/h3\u003e\n\u003cp\u003eYour oil filter plays a critical role in engine longevity. The Donaldson P550949 is designed to keep lubrication systems operating at peak performance while protecting against harmful contaminants that cause premature engine wear.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Cummins X15 Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Cummins ISX Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Synthetic Filtration Media\u003c\/li\u003e\n\u003cli\u003e✔ Extended Service Intervals\u003c\/li\u003e\n\u003cli\u003e✔ Superior Dirt Holding Capacity\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✔ Donaldson P555776 Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P583177 Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P559674 Service Kit\u003c\/li\u003e\n\u003cli\u003e✔ Cummins X15 Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Crankcase Ventilation Filters\u003c\/li\u003e\n\u003cli\u003e✔ Engine Oil \u0026amp; PM Service Kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your preventive maintenance service and maximize engine protection by replacing all filtration components together.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":66902441328685,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/donaldson-p550949-oil-filter-cummins-x15-isx-heavy-duty-diesel-enginesdonaldsonperformance-diesel-group-6521425.jpg?v=1782860887"},{"product_id":"donaldson-dbl7900-blue-oil-filter-cummins-x15-isx","title":"Donaldson DBL7900 Blue® Oil Filter | Premium Synthetic Oil Filter for Cummins X15 \u0026 ISX Engines","description":"\u003ch2\u003eDonaldson DBL7900 Blue® Oil Filter for Cummins X15 \u0026amp; ISX Engines\u003c\/h2\u003e\n\n\u003cp\u003e\nThe Donaldson DBL7900 Blue® Oil Filter is a premium synthetic media full-flow lube filter engineered for extended service intervals and maximum engine protection in today's heavy-duty diesel engines. Designed specifically for Cummins X15 and ISX applications, the DBL7900 utilizes Donaldson's advanced Synteq™ filtration media to provide superior contaminant removal, increased dirt-holding capacity, and exceptional engine protection.\n\u003c\/p\u003e\n\n\u003cp\u003e\nUnlike conventional cellulose oil filters, the Donaldson Blue® DBL7900 removes more than 90% of contaminants 10 microns and larger while providing twice the contaminant-holding capacity of standard filters. This allows fleets and owner-operators to maximize maintenance intervals while protecting critical engine components from wear-causing contaminants. :contentReference[oaicite:0]{index=0}\n\u003c\/p\u003e\n\n\u003cp\u003e\nCommonly used on Cummins X15 and ISX-powered Freightliner Cascadia, Peterbilt 579, Kenworth T680, Kenworth W990, and other Class 8 trucks, the DBL7900 is one of the highest-performance oil filters available for severe-duty and extended-drain applications. :contentReference[oaicite:1]{index=1}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePremium Donaldson Blue® synthetic media\u003c\/li\u003e\n\u003cli\u003eDesigned for extended maintenance programs\u003c\/li\u003e\n\u003cli\u003eRemoves over 90% of contaminants 10 microns and larger\u003c\/li\u003e\n\u003cli\u003eTwice the contaminant holding capacity of standard cellulose filters\u003c\/li\u003e\n\u003cli\u003eSuperior engine wear protection\u003c\/li\u003e\n\u003cli\u003eDirect replacement for standard oil filters\u003c\/li\u003e\n\u003cli\u003eExcellent cold-flow performance\u003c\/li\u003e\n\u003cli\u003eHeavy-duty spin-on construction\u003c\/li\u003e\n\u003cli\u003eDesigned for Cummins X15 and ISX engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nDonaldson states the DBL7900 is specifically designed for extended maintenance programs and offers significantly higher contaminant holding capacity than conventional oil filters. :contentReference[oaicite:2]{index=2}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e DBL7900\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Donaldson Blue®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e Full-Flow Lube Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Spin-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Synteq™ Synthetic Media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 11.65\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.65\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins X15 \u0026amp; ISX Engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Type:\u003c\/strong\u003e Extended Drain Intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nFleetPride lists the DBL7900 as a full-flow spin-on lube filter with a height of 11.65 inches and a 4.65-inch outer diameter. :contentReference[oaicite:3]{index=3}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eBenefits of Upgrading to Donaldson Blue®\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eExtended oil filter service life\u003c\/li\u003e\n\u003cli\u003eImproved engine protection\u003c\/li\u003e\n\u003cli\u003eReduced engine wear\u003c\/li\u003e\n\u003cli\u003eEnhanced contaminant removal\u003c\/li\u003e\n\u003cli\u003eSupports extended oil drain intervals\u003c\/li\u003e\n\u003cli\u003eImproved fleet uptime\u003c\/li\u003e\n\u003cli\u003eReduced maintenance costs\u003c\/li\u003e\n\u003cli\u003eMaximum lubrication system protection\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\u003eCummins X15 Engines\u003c\/li\u003e\n\u003cli\u003eCummins ISX Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003ePeterbilt 579\u003c\/li\u003e\n\u003cli\u003ePeterbilt 389\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth W990\u003c\/li\u003e\n\u003cli\u003eKenworth W900\u003c\/li\u003e\n\u003cli\u003eInternational LT Series\u003c\/li\u003e\n\u003cli\u003eVocational \u0026amp; Fleet Trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\n\u003cp\u003e\nThe Donaldson DBL7900 crosses with many popular heavy-duty oil filters:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDonaldson P559000\u003c\/li\u003e\n\u003cli\u003eDonaldson P550949\u003c\/li\u003e\n\u003cli\u003eFleetguard LF14000NN\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9001\u003c\/li\u003e\n\u003cli\u003eFleetguard LF9018\u003c\/li\u003e\n\u003cli\u003eBaldwin BD50000\u003c\/li\u003e\n\u003cli\u003eLuber-Finer LFP9001XL\u003c\/li\u003e\n\u003cli\u003eWIX WL10107\u003c\/li\u003e\n\u003cli\u003eCummins 2874490\u003c\/li\u003e\n\u003cli\u003eCummins 2882673\u003c\/li\u003e\n\u003cli\u003eCummins 2882674\u003c\/li\u003e\n\u003cli\u003eCummins 4367100\u003c\/li\u003e\n\u003cli\u003eJohn Deere 23020407\u003c\/li\u003e\n\u003cli\u003eCase IH 87408494\u003c\/li\u003e\n\u003cli\u003eDonaldson ELF7900\u003c\/li\u003e\n\u003cli\u003eDonaldson P179353\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nFleetPride lists additional interchange numbers including 400107, 42041242, and numerous OEM references used throughout heavy-duty diesel applications. :contentReference[oaicite:4]{index=4}\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Donaldson Blue® Over Standard Oil Filters?\u003c\/h3\u003e\n\n\u003cp\u003e\nDonaldson Blue® filters are engineered for fleets and owner-operators looking to maximize engine life and reduce maintenance costs. The advanced Synteq™ media technology provides greater filtration efficiency and dirt-holding capacity than traditional cellulose media, helping protect expensive engine components during extended service intervals. :contentReference[oaicite:5]{index=5}\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🔥 High Conversion Add-On: Upgrade Your Preventive Maintenance Program\u003c\/h3\u003e\n\n\u003cp\u003e\nThe DBL7900 is not just another oil filter. It is designed for fleets and owner-operators who demand maximum engine protection and longer service intervals. Investing in premium filtration today can help prevent costly engine repairs tomorrow.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Premium Donaldson Blue® Filtration\u003c\/li\u003e\n\u003cli\u003e✔ Cummins X15 \u0026amp; ISX Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Extended Drain Interval Capable\u003c\/li\u003e\n\u003cli\u003e✔ Superior Synthetic Media\u003c\/li\u003e\n\u003cli\u003e✔ Fleet-Proven Performance\u003c\/li\u003e\n\u003cli\u003e✔ Trusted by Heavy-Duty Professionals\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;margin-top:20px;\"\u003e\n\u003ch3\u003e🚛 Frequently Purchased Together\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Donaldson P555776 Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P583177 Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P559674 Service Kit\u003c\/li\u003e\n\u003cli\u003e✔ Cummins X15 Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Crankcase Ventilation Filters\u003c\/li\u003e\n\u003cli\u003e✔ Premium Engine Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your PM service and maximize engine protection by replacing all filtration components together.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":66905605079085,"sku":null,"price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/donaldson-dbl7900-blue-oil-filter-premium-synthetic-oil-filter-for-cummins-x15-isx-enginesdonaldsonperformance-diesel-group-9646766.jpg?v=1782860946"},{"product_id":"donaldson-p583177-fuel-filter-cummins-x15-isx","title":"Donaldson P583177 Fuel Filter | Cummins X15, ISX \u0026 Heavy-Duty Diesel Applications","description":"\u003ch2\u003eDonaldson P583177 Premium Fuel Filter for Cummins X15 \u0026amp; ISX Engines\u003c\/h2\u003e\n\u003cp\u003eThe Donaldson P583177 Fuel Filter is a premium heavy-duty diesel fuel filter engineered to protect today's high-pressure common rail fuel systems from damaging contaminants. Designed for Cummins X15, Cummins ISX, and other heavy-duty diesel applications, the P583177 delivers exceptional filtration efficiency to help extend injector life, improve fuel system reliability, and reduce costly downtime.\u003c\/p\u003e\n\u003cp\u003eModern diesel fuel systems operate at extremely high pressures and require ultra-clean fuel for optimal performance. The Donaldson P583177 removes harmful contaminants before they reach sensitive injectors and fuel pumps, helping maintain peak engine performance, fuel economy, and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eTrusted by fleets, owner-operators, and diesel repair facilities across North America, the P583177 is a proven solution for protecting expensive fuel system components in commercial trucking, vocational, agricultural, and industrial applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium heavy-duty diesel fuel filter\u003c\/li\u003e\n\u003cli\u003eProtects high-pressure common rail fuel systems\u003c\/li\u003e\n\u003cli\u003eHelps extend injector life\u003c\/li\u003e\n\u003cli\u003eRemoves harmful fuel contaminants\u003c\/li\u003e\n\u003cli\u003eImproves fuel system reliability\u003c\/li\u003e\n\u003cli\u003eSupports maximum engine performance\u003c\/li\u003e\n\u003cli\u003eHeavy-duty construction for severe-duty service\u003c\/li\u003e\n\u003cli\u003eDesigned for commercial truck applications\u003c\/li\u003e\n\u003cli\u003eFleet-proven Donaldson filtration technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBenefits of Replacing Your Fuel Filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtects expensive fuel injectors\u003c\/li\u003e\n\u003cli\u003eMaintains proper fuel pressure\u003c\/li\u003e\n\u003cli\u003eReduces injector wear\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces maintenance costs\u003c\/li\u003e\n\u003cli\u003eImproves engine performance\u003c\/li\u003e\n\u003cli\u003eHelps prevent fuel-related breakdowns\u003c\/li\u003e\n\u003cli\u003eSupports maximum fleet uptime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCummins X15 Engines\u003c\/li\u003e\n\u003cli\u003eCummins ISX Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003ePeterbilt 389\u003c\/li\u003e\n\u003cli\u003ePeterbilt 579\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth W990\u003c\/li\u003e\n\u003cli\u003eKenworth W900\u003c\/li\u003e\n\u003cli\u003eInternational LT Series\u003c\/li\u003e\n\u003cli\u003eVocational Truck Applications\u003c\/li\u003e\n\u003cli\u003eFleet \u0026amp; Commercial Truck Operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFleetguard FF5776\u003c\/li\u003e\n\u003cli\u003eFleetguard FF63009\u003c\/li\u003e\n\u003cli\u003eBaldwin PF9870\u003c\/li\u003e\n\u003cli\u003eBaldwin PF9870KIT\u003c\/li\u003e\n\u003cli\u003eLuber-Finer LFF5776\u003c\/li\u003e\n\u003cli\u003eWIX WF10255\u003c\/li\u003e\n\u003cli\u003eNAPA 3255\u003c\/li\u003e\n\u003cli\u003eCummins 5365988\u003c\/li\u003e\n\u003cli\u003eCummins 5304214\u003c\/li\u003e\n\u003cli\u003eCummins 4384138\u003c\/li\u003e\n\u003cli\u003eCummins 5579387\u003c\/li\u003e\n\u003cli\u003eDonaldson P550774\u003c\/li\u003e\n\u003cli\u003eDonaldson P555776\u003c\/li\u003e\n\u003cli\u003eDonaldson P551000 Series Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways verify fitment using your engine serial number before ordering. Cross-reference availability may vary by application and fuel system configuration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Fuel Filtration Is Critical on Cummins X15 Engines\u003c\/h3\u003e\n\u003cp\u003eCummins X15 fuel systems operate at pressures exceeding 30,000 PSI. Even microscopic contaminants can cause premature injector wear, fuel pump damage, and costly repairs. High-efficiency filtration helps maintain fuel cleanliness and protects thousands of dollars in fuel system components.\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🔥 High Conversion Add-On: Protect Your Fuel System Investment\u003c\/h3\u003e\n\u003cp\u003eA complete set of injectors on a Cummins X15 can cost thousands of dollars. Replacing your fuel filters on schedule is one of the most cost-effective ways to prevent premature fuel system failures and maintain maximum engine performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Cummins X15 Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Cummins ISX Compatible\u003c\/li\u003e\n\u003cli\u003e✔ High-Efficiency Fuel Filtration\u003c\/li\u003e\n\u003cli\u003e✔ Helps Protect Injectors\u003c\/li\u003e\n\u003cli\u003e✔ Fleet-Proven Donaldson Quality\u003c\/li\u003e\n\u003cli\u003e✔ Reduces Costly Downtime\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✔ Donaldson P555776 Secondary Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P559000 Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson DBL7900 Blue® Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P559674 Service Kit\u003c\/li\u003e\n\u003cli\u003e✔ Cummins X15 Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Premium Diesel Engine Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your preventive maintenance service and maximize engine reliability by replacing all filtration components together.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":66905677987885,"sku":null,"price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/donaldson-p583177-fuel-filter-cummins-x15-isx-heavy-duty-diesel-applicationsdonaldsonperformance-diesel-group-5465728.jpg?v=1782860886"},{"product_id":"donaldson-p555776-fuel-filter-cummins-x15-isx","title":"Donaldson P555776 Fuel Filter | Cummins X15, ISX \u0026 Heavy-Duty Diesel Engines","description":"\u003ch2\u003eDonaldson P555776 Secondary Fuel Filter for Cummins X15 \u0026amp; ISX Engines\u003c\/h2\u003e\n\u003cp\u003eThe Donaldson P555776 Fuel Filter is a premium secondary diesel fuel filter engineered to provide superior fuel cleanliness and injector protection for Cummins X15, Cummins ISX, and other heavy-duty diesel engines. Designed to remove fine contaminants before they reach sensitive fuel system components, the P555776 helps maximize fuel system reliability, engine performance, and equipment uptime.\u003c\/p\u003e\n\u003cp\u003eModern common rail diesel engines require exceptionally clean fuel to operate efficiently. The Donaldson P555776 delivers high-efficiency filtration that helps protect expensive fuel injectors, fuel pumps, and emissions system components from harmful contaminants that can lead to reduced performance and costly repairs.\u003c\/p\u003e\n\u003cp\u003eTrusted by fleets, owner-operators, repair facilities, and diesel performance shops across North America, the P555776 is a proven solution for maintaining peak fuel system performance in demanding operating environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium secondary fuel filter\u003c\/li\u003e\n\u003cli\u003eHigh-efficiency contaminant removal\u003c\/li\u003e\n\u003cli\u003eProtects fuel injectors and fuel pumps\u003c\/li\u003e\n\u003cli\u003eDesigned for high-pressure common rail fuel systems\u003c\/li\u003e\n\u003cli\u003eMaintains proper fuel flow\u003c\/li\u003e\n\u003cli\u003eHelps improve fuel system reliability\u003c\/li\u003e\n\u003cli\u003eHeavy-duty commercial-grade construction\u003c\/li\u003e\n\u003cli\u003eSpin-on design for easy installation\u003c\/li\u003e\n\u003cli\u003eFleet-proven Donaldson filtration technology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e P555776\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Donaldson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Type:\u003c\/strong\u003e Secondary Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Spin-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.65\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8.54\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1-14 UNS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Cummins X15 \u0026amp; ISX Fuel Systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBenefits of Replacing Your Fuel Filter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtects expensive fuel injectors\u003c\/li\u003e\n\u003cli\u003eMaintains proper fuel pressure\u003c\/li\u003e\n\u003cli\u003eImproves fuel system efficiency\u003c\/li\u003e\n\u003cli\u003eReduces injector wear\u003c\/li\u003e\n\u003cli\u003eImproves engine performance\u003c\/li\u003e\n\u003cli\u003eHelps maximize fuel economy\u003c\/li\u003e\n\u003cli\u003eReduces maintenance costs\u003c\/li\u003e\n\u003cli\u003eSupports longer component life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCummins X15 Engines\u003c\/li\u003e\n\u003cli\u003eCummins ISX Engines\u003c\/li\u003e\n\u003cli\u003eFreightliner Cascadia\u003c\/li\u003e\n\u003cli\u003eKenworth T680\u003c\/li\u003e\n\u003cli\u003eKenworth W990\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\u003eInternational LT Series\u003c\/li\u003e\n\u003cli\u003eWestern Star Trucks\u003c\/li\u003e\n\u003cli\u003eFleet \u0026amp; Vocational Truck Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMajor Cross Reference Numbers\u003c\/h3\u003e\n\u003cp\u003eThe Donaldson P555776 crosses with many popular OEM and aftermarket fuel filters used throughout the heavy-duty trucking industry:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCummins 4934845\u003c\/li\u003e\n\u003cli\u003eCummins 5472251\u003c\/li\u003e\n\u003cli\u003eCummins 3959612\u003c\/li\u003e\n\u003cli\u003eCummins 3331516\u003c\/li\u003e\n\u003cli\u003eFleetguard FF5488\u003c\/li\u003e\n\u003cli\u003eFleetguard FF5776\u003c\/li\u003e\n\u003cli\u003eFleetguard FF63054NN\u003c\/li\u003e\n\u003cli\u003eBaldwin BF46065\u003c\/li\u003e\n\u003cli\u003eBaldwin BF46064\u003c\/li\u003e\n\u003cli\u003eWIX WF10176\u003c\/li\u003e\n\u003cli\u003eNAPA 3676\u003c\/li\u003e\n\u003cli\u003eLuber-Finer LFF5776\u003c\/li\u003e\n\u003cli\u003eDonaldson P550774\u003c\/li\u003e\n\u003cli\u003eDonaldson P583177\u003c\/li\u003e\n\u003cli\u003eCarquest 86776\u003c\/li\u003e\n\u003cli\u003eAlliance ABPN10GFF5776\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways verify fitment by engine serial number and OEM requirements before ordering. Some applications may use multiple filter configurations depending on fuel system design.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Secondary Fuel Filtration Matters\u003c\/h3\u003e\n\u003cp\u003eSecondary fuel filters serve as the final line of defense before fuel reaches high-pressure injectors. In modern diesel engines such as the Cummins X15 and ISX, injector tolerances are extremely tight, making proper filtration critical to fuel system longevity and engine reliability.\u003c\/p\u003e\n\u003cp\u003eReplacing secondary fuel filters at recommended service intervals helps prevent injector damage, fuel pressure issues, hard starting conditions, and expensive fuel system repairs.\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🔥 High Conversion Add-On: Protect Thousands in Fuel System Components\u003c\/h3\u003e\n\u003cp\u003eA complete set of injectors and fuel system components can cost thousands of dollars to replace. The Donaldson P555776 helps remove damaging contaminants before they reach critical components, helping maximize fuel system life and reduce costly downtime.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✔ Cummins X15 Compatible\u003c\/li\u003e\n\u003cli\u003e✔ Cummins ISX Compatible\u003c\/li\u003e\n\u003cli\u003e✔ High-Efficiency Filtration\u003c\/li\u003e\n\u003cli\u003e✔ Injector Protection\u003c\/li\u003e\n\u003cli\u003e✔ Fleet-Proven Reliability\u003c\/li\u003e\n\u003cli\u003e✔ Trusted Donaldson Quality\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✔ Donaldson P583177 Primary Fuel Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P559000 Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson DBL7900 Blue® Oil Filter\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson P559674 Service Kit\u003c\/li\u003e\n\u003cli\u003e✔ Cummins X15 Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Premium Diesel Engine Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete your preventive maintenance service by replacing both primary and secondary fuel filters together for maximum fuel system protection.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":66905760727085,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/donaldson-p555776-fuel-filter-cummins-x15-isx-heavy-duty-diesel-enginesdonaldsonperformance-diesel-group-4475123.jpg?v=1782860948"},{"product_id":"pdi-big-boss-inframe-kit-cummins-x15","title":"PDI Big Boss Inframe Kit | Cummins X15","description":"\u003ch2\u003ePDI Big Boss Inframe Kit for Cummins X15 Diesel Engines\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003ePDI Big Boss Inframe Kit for Cummins X15 engines\u003c\/strong\u003e is a premium heavy-duty engine overhaul kit designed to restore performance, reliability, and durability without removing the engine from the chassis. Engineered for commercial fleets, owner-operators, and professional diesel repair shops, this complete inframe kit includes the critical components needed for a quality overhaul using premium replacement parts.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPDI Big Boss kits are built for today's demanding heavy-duty diesel applications and are available for multiple Cummins X15 engine configurations. Because Cummins produced numerous variations of the X15, including different CPLs, emissions packages, and horsepower ratings, proper engine identification is required before ordering to ensure the correct components are supplied.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhether you're rebuilding an engine after high mileage, excessive oil consumption, or internal engine failure, the PDI Big Boss Inframe Kit provides the quality components professional engine builders trust to maximize engine life and reliability.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKit Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003ePremium heavy-duty inframe overhaul kit\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for Cummins X15 diesel engines\u003c\/li\u003e\n\u003cli\u003eAvailable for multiple engine serial number ranges and CPL configurations\u003c\/li\u003e\n\u003cli\u003eHigh-quality components engineered for long service life\u003c\/li\u003e\n\u003cli\u003eIdeal for fleets, owner-operators, and engine rebuild facilities\u003c\/li\u003e\n\u003cli\u003eOEM-quality fit and performance\u003c\/li\u003e\n\u003cli\u003eDesigned for professional engine rebuilding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTypical Kit Contents\u003c\/h3\u003e\n\n\u003cp\u003e\u003cem\u003eContents may vary depending on engine serial number and selected kit.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePistons\u003c\/li\u003e\n\u003cli\u003ePiston Rings\u003c\/li\u003e\n\u003cli\u003eCylinder Liners\u003c\/li\u003e\n\u003cli\u003ePiston Pins\u003c\/li\u003e\n\u003cli\u003ePin Retainers\u003c\/li\u003e\n\u003cli\u003eRod Bearings\u003c\/li\u003e\n\u003cli\u003eMain Bearings\u003c\/li\u003e\n\u003cli\u003eThrust Washers\u003c\/li\u003e\n\u003cli\u003eUpper \u0026amp; Lower Gasket Set\u003c\/li\u003e\n\u003cli\u003eConnecting Rod Bushings (when applicable)\u003c\/li\u003e\n\u003cli\u003eAdditional overhaul components based on engine configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCummins X15 Performance Series\u003c\/li\u003e\n\u003cli\u003eCummins X15 Efficiency Series\u003c\/li\u003e\n\u003cli\u003eOn-Highway Class 8 Trucks\u003c\/li\u003e\n\u003cli\u003eCommercial Fleets\u003c\/li\u003e\n\u003cli\u003eOwner-Operators\u003c\/li\u003e\n\u003cli\u003eVocational Truck Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eImportant Fitment Information\u003c\/h3\u003e\n\n\u003cdiv style=\"background:#fff8e5;padding:18px;border-left:5px solid #f5a623;margin:20px 0;\"\u003e\n\u003cstrong\u003e⚠ Engine Verification Required Before Ordering\u003c\/strong\u003e\n\n\u003cp\u003e\nThis inframe kit is available in multiple configurations. To ensure you receive the correct parts, we \u003cstrong\u003emust verify your engine before shipment.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp\u003ePlease provide one of the following:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Engine Serial Number (ESN) \u003cstrong\u003e(Preferred)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e✔ Vehicle VIN\u003c\/li\u003e\n\u003cli\u003e✔ CPL Number (if available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nOur diesel parts specialists will verify the correct kit before your order ships to ensure proper fitment.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Restores engine performance\u003c\/li\u003e\n\u003cli\u003e✔ Reduces oil consumption\u003c\/li\u003e\n\u003cli\u003e✔ Restores compression\u003c\/li\u003e\n\u003cli\u003e✔ Extends engine service life\u003c\/li\u003e\n\u003cli\u003e✔ Premium-quality overhaul components\u003c\/li\u003e\n\u003cli\u003e✔ Trusted by professional diesel engine builders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose a PDI Big Boss Inframe Kit?\u003c\/h3\u003e\n\n\u003cp\u003e\nPDI Big Boss engine kits are built for heavy-duty diesel applications where reliability matters. Every kit is engineered to provide professional-grade performance and long service life while helping reduce downtime for commercial trucks. By verifying your Engine Serial Number before shipment, Performance Diesel Group ensures you receive the correct kit for your specific Cummins X15 engine.\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 Engine Rebuild\u003c\/h3\u003e\n\n\u003cp\u003eFinish your overhaul with premium replacement components and maintenance products.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Head Gasket Sets\u003c\/li\u003e\n\u003cli\u003e✔ Oil Pumps\u003c\/li\u003e\n\u003cli\u003e✔ Water Pumps\u003c\/li\u003e\n\u003cli\u003e✔ Rod \u0026amp; Main Bearing Sets\u003c\/li\u003e\n\u003cli\u003e✔ Engine Assembly Grease\u003c\/li\u003e\n\u003cli\u003e✔ RTV Silicone \u0026amp; Gasket Sealants\u003c\/li\u003e\n\u003cli\u003e✔ Oil, Fuel \u0026amp; Air Filters\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\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✔ Head Bolt Kits\u003c\/li\u003e\n\u003cli\u003e✔ Oil Pump\u003c\/li\u003e\n\u003cli\u003e✔ Water Pump\u003c\/li\u003e\n\u003cli\u003e✔ Thermostats\u003c\/li\u003e\n\u003cli\u003e✔ Engine Assembly Grease\u003c\/li\u003e\n\u003cli\u003e✔ Break-In Oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eComplete your Cummins X15 rebuild with premium engine components, lubricants, and maintenance products trusted by professional diesel technicians.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PDI | Performance Diesel Inc.","offers":[{"title":"Default Title","offer_id":67155820707885,"sku":null,"price":5600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/111007153831_Inframe_kit_1.png?v=1785167927"},{"product_id":"donaldson-p550849-fuel-water-separator-cartridge","title":"Donaldson P550849 Fuel\/Water Separator | Cartridge","description":"\u003ch2\u003eDonaldson P550849 Fuel\/Water Separator Cartridge\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDonaldson P550849 Fuel\/Water Separator Cartridge\u003c\/strong\u003e is a replacement cartridge designed to remove water and fine particulate contamination from diesel fuel. This heavy-duty fuel filter element is designed for use in compatible fuel\/water separator assemblies and is commonly used across commercial truck, diesel engine, and equipment applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe P550849 provides \u003cstrong\u003e99% efficiency at 7 microns\u003c\/strong\u003e and is tested according to \u003cstrong\u003eSAE J1985\u003c\/strong\u003e. Its cellulose and meltblown filter media helps capture contaminants while its water-separation capability helps protect the fuel system from damaging free water. citeturn0search23turn0search0\n\u003c\/p\u003e\n\n\u003cp\u003e\nBecause this is a \u003cstrong\u003ecartridge-style fuel\/water separator\u003c\/strong\u003e, the existing filter housing and bowl are retained while the internal filter element is replaced during service. Correct cartridge dimensions and seal positioning are important for proper installation and separator performance. citeturn0search0\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDonaldson P550849 fuel\/water separator cartridge\u003c\/li\u003e\n\u003cli\u003eDesigned for diesel fuel filtration and water separation\u003c\/li\u003e\n\u003cli\u003e99% efficiency at 7 microns\u003c\/li\u003e\n\u003cli\u003e95% emulsified water efficiency\u003c\/li\u003e\n\u003cli\u003eSAE J1985 efficiency test standard\u003c\/li\u003e\n\u003cli\u003eCartridge-style replacement element\u003c\/li\u003e\n\u003cli\u003eCellulose and meltblown filter media\u003c\/li\u003e\n\u003cli\u003eHelps protect fuel injectors and fuel system components\u003c\/li\u003e\n\u003cli\u003eDesigned for demanding diesel and heavy-duty 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 Donaldson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e P550849\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fuel\/Water Separator Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Style:\u003c\/strong\u003e Cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Water Separator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e 99% at 7 Microns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmulsified Water Efficiency:\u003c\/strong\u003e 95%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e 4.21 in (107 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 0.66 in (16.8 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.76 in (171.7 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 7.03 in (178.6 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Cellulose, Meltblown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency Test Standard:\u003c\/strong\u003e SAE J1985\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\u003cp\u003e\nThe Donaldson P550849 is used across a range of heavy-duty diesel and equipment applications. Published application information includes qualifying:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFreightliner applications\u003c\/li\u003e\n\u003cli\u003eInternational applications\u003c\/li\u003e\n\u003cli\u003eCummins engine applications\u003c\/li\u003e\n\u003cli\u003eHitachi equipment\u003c\/li\u003e\n\u003cli\u003eConstruction and industrial equipment\u003c\/li\u003e\n\u003cli\u003eHeavy-duty diesel fuel systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nDonaldson also lists the P550849 as primary fuel filtration for qualifying \u003cstrong\u003eCummins X15 and ISX engines\u003c\/strong\u003e, while other published application data identifies Freightliner, International, Hitachi, and additional equipment applications. citeturn0search22turn0search12\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCross Reference Part Numbers\u003c\/h3\u003e\n\n\u003cp\u003e\nPublished cross-reference numbers for Donaldson P550849 include:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFleetguard:\u003c\/strong\u003e FS19763, FS19764\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaldwin:\u003c\/strong\u003e PF7928, PF9814\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWIX:\u003c\/strong\u003e 33763, 33964\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDAVCO:\u003c\/strong\u003e 102526, 102527\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAPA:\u003c\/strong\u003e 3763, 3964\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLuber-Finer:\u003c\/strong\u003e L9763FXL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFRAM:\u003c\/strong\u003e CS11023\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMANN \u0026amp; HUMMEL:\u003c\/strong\u003e P11001X\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHIFI Filter:\u003c\/strong\u003e SN40612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHitachi:\u003c\/strong\u003e 4669642\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKomatsu:\u003c\/strong\u003e 79738773\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaterpillar:\u003c\/strong\u003e 3700572\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJohn Deere:\u003c\/strong\u003e RECFS1976300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVMC:\u003c\/strong\u003e FS550849\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Cross-reference numbers are provided for identification purposes and should not be treated as a guaranteed direct replacement without verifying the application, dimensions, and filter specifications.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Replace Your Fuel\/Water Separator?\u003c\/h3\u003e\n\n\u003cp\u003e\nWater and particulate contamination can cause serious problems in modern diesel fuel systems. A properly maintained fuel\/water separator helps remove contaminants before they reach sensitive fuel system components such as injectors and high-pressure fuel pumps.\n\u003c\/p\u003e\n\n\u003cp\u003e\nReplacing the separator cartridge at the recommended service interval can help maintain fuel filtration performance, protect fuel system components, and reduce the risk of contamination-related downtime.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy Choose Donaldson P550849?\u003c\/h3\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDonaldson P550849\u003c\/strong\u003e is a heavy-duty fuel\/water separator cartridge designed for applications where effective particulate filtration and water separation are essential. With 99% efficiency at 7 microns and 95% emulsified water efficiency, it provides dependable filtration performance for qualifying diesel fuel systems. citeturn0search23\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 Diesel Maintenance Service\u003c\/h3\u003e\n\n\u003cp\u003eKeep your diesel fuel system protected with quality filtration and maintenance supplies.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e✔ Donaldson Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Donaldson Fuel\/Water Separators\u003c\/li\u003e\n\u003cli\u003e✔ Fleetguard Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ Shop Towels \u0026amp; Cleaning Cloths\u003c\/li\u003e\n\u003cli\u003e✔ Nitrile 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✔ Donaldson Heavy-Duty Fuel Filters\u003c\/li\u003e\n\u003cli\u003e✔ Fleetguard Fuel\/Water Separators\u003c\/li\u003e\n\u003cli\u003e✔ Heavy-Duty Diesel Engine Oil\u003c\/li\u003e\n\u003cli\u003e✔ WypAll® Cleaning Cloths\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 preventive maintenance service with professional filtration, fluids, cleaning products, and shop supplies.\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Donaldson","offers":[{"title":"Default Title","offer_id":67392496566317,"sku":null,"price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/4526\/0845\/files\/p550849.700.700.jpg?v=1787280081"}],"url":"https:\/\/performancedieselgroup.com\/collections\/cummins-engine-parts.oembed?page=2","provider":"Performance Diesel Group","version":"1.0","type":"link"}