{"title":"2017–2019 L5P 6.6L Duramax Injection Pumps \u0026 Fuel Supply","description":"\u003cp\u003eShop injection pumps and fuel-supply components for 2017–2019 L5P 6.6L Duramax applications. This collection groups fuel-system products for the L5P platform so you can narrow the search before confirming the exact pump or component.\u003c\/p\u003e\u003cp\u003eFuel-system fitment can vary by year, component number, and configuration. Review each product listing for new, remanufactured, exchange, or other product status, along with core requirements and included components where applicable.\u003c\/p\u003e","products":[{"product_id":"2017-6-6l-duramax-oem-l5p-high-pressure-common-rail-fuel-pump","title":"2017+ 6.6 Duramax OEM L5P\/L5D High Pressure Fuel Pump","description":"\u003ch2\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 1.4em;\"\u003e2017+ 6.6 Duramax OEM L5P\/L5D High Pressure Fuel Pump\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e GM Duramax L5P\/L5D 6.6L Engine\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e High Pressure Fuel Pump\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Brand:\u003c\/strong\u003e Denso\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 294050-0701\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCross Reference:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e 12678993, 12678993N, 126701094, 2940500701, DFD516238380199, HU2940500701, 08T05199, 12676904, AP54850, 6040608C91\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures: \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNew stock 2017+ 6.6L Duramax L5P\/L5D HP4 High-Pressure fuel pump\u003c\/li\u003e\n\u003cli\u003e1-year unlimited mileage warranty\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWill not come with gear\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":39952257843334,"sku":"294050-0701","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/AP54850_Alliant-Power_1.jpg?v=1744397720"},{"product_id":"l5p-fuel-contamination-kit","title":"L5P Fuel Contamination Kit 17-19","description":"\n\u003ch2\u003eL5P Fuel Contamination Kit | AP54820 | 2017-2019 GM 6.6L Duramax L5P\u003c\/h2\u003e\n\n\u003cp\u003e\n  The \u003cstrong\u003eAlliant Power AP54820 Fuel Contamination Kit\u003c\/strong\u003e is a complete fuel system repair kit for \u003cstrong\u003e2017-2019 Chevy and GMC 6.6L L5P Duramax\u003c\/strong\u003e trucks affected by fuel system contamination or major fuel system failure. This kit is designed to help restore the common rail fuel system with the key replacement components required for a complete factory-style repair.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  The AP54820 kit includes \u003cstrong\u003e8 injectors, 1 common rail fuel pump, 2 fuel rails, fuel lines, gaskets, seals, and related repair components\u003c\/strong\u003e needed to get your 2017-2019 L5P Duramax back on the road with dependable performance and proper fitment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eImportant Fitment Note:\u003c\/strong\u003e This AP54820 kit comes with the \u003cstrong\u003e2017-2019 fuel cooler\u003c\/strong\u003e. If you are repairing a 2020+ L5P Duramax, a different fuel cooler is required. Please verify fitment before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Year \/ Unlimited Mileage Warranty\n\u003c\/p\u003e\n\n\u003cdiv style=\"border: 2px solid #d52627; background: #212121; color: #ffffff; padding: 18px 20px; margin: 24px 0; border-radius: 4px;\"\u003e\n  \u003ch3 style=\"margin: 0 0 10px; color: #d52627; text-transform: uppercase; letter-spacing: .04em;\"\u003e\n    AP54820 Core Refund Requirements\n  \u003c\/h3\u003e\n\n  \u003cp style=\"margin: 0 0 12px;\"\u003e\n    To qualify for a core refund on the \u003cstrong\u003eAP54820 Fuel Contamination Kit\u003c\/strong\u003e, Industrial Injection must receive the complete core return listed below.\n  \u003c\/p\u003e\n\n  \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n    \u003cli\u003e8 injector cores\u003c\/li\u003e\n    \u003cli\u003eFuel pump core with lines\u003c\/li\u003e\n    \u003cli\u003eUnbroken solenoid\u003c\/li\u003e\n    \u003cli\u003eBoth fuel rails\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp style=\"margin: 14px 0 0; font-weight: 700;\"\u003e\n    All listed AP54820 core components are required. Missing, broken, or incomplete core components may delay or void the core refund.\n  \u003c\/p\u003e\n\n  \u003cp style=\"margin: 12px 0 0;\"\u003e\n    Cores must be returned in the manufacturer boxes to receive core credit. No exceptions.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCore Credit Values:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e$150.00\u003c\/strong\u003e per injector core\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e$200.00\u003c\/strong\u003e for the fuel pump core\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n  \u003cstrong\u003eNote:\u003c\/strong\u003e Fuel pump core must have the lines attached to qualify for pump core credit.\n\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecific Fitment:\u003c\/strong\u003e Designed for 2017-2019 Chevy and GMC 6.6L L5P Duramax applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Fuel System Repair Kit:\u003c\/strong\u003e Includes the major components needed to repair contamination-related fuel system damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInjector, Pump \u0026amp; Rail Replacement:\u003c\/strong\u003e Includes 8 injectors, 1 fuel pump, and both fuel rails for a complete fuel system restoration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2017-2019 Fuel Cooler Included:\u003c\/strong\u003e Comes with the correct fuel cooler for 2017-2019 L5P Duramax applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLines, Gaskets \u0026amp; Seals Included:\u003c\/strong\u003e Helps simplify the repair process by including the required supporting components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory-Style Repair Solution:\u003c\/strong\u003e Designed to help restore proper fuel system operation after contamination or failure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrusted Alliant Power Quality:\u003c\/strong\u003e Built for dependable fitment and reliable performance in demanding diesel applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Alliant Power","offers":[{"title":"Default Title","offer_id":40069648679046,"sku":"AP54820","price":5238.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/products\/ap54820productimage.jpg?v=1673027558"},{"product_id":"fass-fuel-systems-billet-l5p-2017-2024-duramax-fuel-filter-cap","title":"FASS Fuel Systems Billet L5P 2017-2024 Duramax Fuel Filter Cap","description":"\u003ch1 class=\"product_title entry-title\"\u003eFASS Fuel Systems Billet L5P 2017-2024 Duramax Fuel Filter Cap\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eProtect your L5P Duramax with the FASS Fuel Systems Billet Fuel Filter Cap! Our US-engineered, machined 6061 billet aluminum cap is a replacement for your OEM plastic fuel filter cap and offers improved protection - particularly in extreme cold weather when plastic caps are prone to cracking or rounding off. Installation is seamless - the FASS Fuel Systems Billet Fuel Filter Cap utilizes the same 36mm socket as your OEM plastic cap for removal and is equipped with a billet aluminum drain valve that requires no tools for draining. Trust the FASS quality today and upgrade your OEM plastic fuel filter housing or FASS Drop-In Series with our Billet Fuel Filter Cap!\u003c\/span\u003e\u003c\/p\u003e","brand":"FASS Diesel Fuel Systems","offers":[{"title":"Default Title","offer_id":40238701969542,"sku":"FAS-BFC1001K","price":118.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/L5P_FUEL_FILTER_CAP.jpg?v=1738167651"},{"product_id":"fass-fuel-systems-diesel-fuel-sump-kit","title":"FASS Fuel Systems Diesel Fuel Sump Kit","description":"\u003ch2\u003e\u003cspan\u003eFASS Fuel Systems Diesel Fuel Sump Kit\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003ePart No: SK5501\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eFitment: Universal Applications, Ford Powerstroke, GM Duramax and Dodge RAM Cummins:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eInstalling a FASS Fuel System has NEVER been easier! Our all-new Return Style Fuel Tank Sump Kit only requires a single hole to be drilled into the fuel tank, and includes a ½” NPT return port—allowing you to plumb the FASS return line right to the Fuel Tank Sump.\u003c\/p\u003e\n\u003cp\u003eThis Return Style Fuel Tank Sump Kit also places the ½” NPT suction port at the lowest point in the fuel tank, ensuring unrestricted fuel flow to the FASS System.\u003c\/p\u003e\n\u003cp\u003eLast but not least, the extra-large bowl acts as a reservoir—creating a consistent supply of fuel to the FASS System when running close to empty, or under heavy braking and acceleration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSump Fuel Bowl Kit Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo Tank Drop Installation\u003c\/li\u003e\n\u003cli\u003eLowers Fuel Suction Location to the Bottom of the Fuel Tank\u003c\/li\u003e\n\u003cli\u003eEliminates 1\/4 Tank Fuel Supply Issues\u003c\/li\u003e\n\u003cli\u003eUnique Single Bolt Design For Simple Installation\u003c\/li\u003e\n\u003cli\u003e½” NPT Fuel Suction Port\u003c\/li\u003e\n\u003cli\u003e½” NPT Fuel Return Port\u003c\/li\u003e\n\u003cli\u003eExtra Large Fuel Bowl\u003c\/li\u003e\n\u003cli\u003e6061 Billet Aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note\u003c\/strong\u003e\u003cstrong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eThis product is suggested to be installed with our FASS Titanium Signature Series Systems. The larger suction tubes and Fuel Sump Bowl improve fuel delivery and work perfectly with a higher volume fuel Systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALL GUIDE: \u003ca href=\"https:\/\/fassride.com\/wp-content\/uploads\/SK5501.pdf\" title=\"CLICK HERE\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCLICK HERE\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"FASS Diesel Fuel Systems","offers":[{"title":"Default Title","offer_id":41466601963654,"sku":"FAS-SK5501","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/SK5501.png?v=1733242911"},{"product_id":"l5p-fuel-contamination-kit-2020-23-duramax-l5p","title":"L5P Fuel Contamination Kit - 2020-23 Duramax L5P","description":"\u003cp\u003e\n  The \u003cstrong\u003eAlliant Power AP54822 Fuel Contamination Kit\u003c\/strong\u003e is a complete fuel system repair kit for \u003cstrong\u003e2020–2023 Chevy and GMC 6.6L L5P Duramax\u003c\/strong\u003e trucks affected by fuel system contamination. This kit is designed to help restore the Duramax common rail fuel system with the key replacement components required after contamination-related failure.\n\u003c\/p\u003e\n\n\u003cp\u003e\n  The AP54822 kit includes \u003cstrong\u003e8 remanufactured common rail injectors, a remanufactured common rail fuel pump, left and right fuel rails, fuel lines, a water-cooled fuel cooler, gaskets, seals, and related installation components\u003c\/strong\u003e. It gives diesel technicians and hands-on truck owners a complete, factory-style repair solution in one package.\n\u003c\/p\u003e\n\n\u003cdiv style=\"border: 2px solid #d52627; background: #212121; color: #ffffff; padding: 18px 20px; margin: 24px 0; border-radius: 4px;\"\u003e\n  \u003ch3 style=\"margin: 0 0 10px; color: #d52627; text-transform: uppercase; letter-spacing: .04em;\"\u003e\n    AP54822 Core Refund Requirements\n  \u003c\/h3\u003e\n\n  \u003cp style=\"margin: 0 0 12px;\"\u003e\n    To qualify for a core refund on the \u003cstrong\u003eAP54822 Fuel Contamination Kit\u003c\/strong\u003e, Industrial Injection must receive the complete core return listed below.\n  \u003c\/p\u003e\n\n  \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n    \u003cli\u003e8 injector cores\u003c\/li\u003e\n    \u003cli\u003eFuel pump core with lines\u003c\/li\u003e\n    \u003cli\u003eUnbroken solenoid\u003c\/li\u003e\n    \u003cli\u003eBoth fuel rails\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp style=\"margin: 14px 0 0; font-weight: 700;\"\u003e\n    All listed AP54822 core components are required. Missing, broken, or incomplete core components may delay or void the core refund.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpecific Fitment:\u003c\/strong\u003e Designed for 2020–2023 Chevy and GMC 6.6L L5P Duramax applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Contamination Repair Kit:\u003c\/strong\u003e Includes the major components needed to repair fuel system contamination damage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemanufactured Fuel Components:\u003c\/strong\u003e Includes 8 remanufactured common rail injectors and 1 remanufactured common rail fuel pump.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Rail Replacement Included:\u003c\/strong\u003e Comes with both left-hand and right-hand fuel rails.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater-Cooled Fuel Cooler:\u003c\/strong\u003e Includes the updated water-cooled fuel cooler used in this AP54822 kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLines, Gaskets \u0026amp; Seals Included:\u003c\/strong\u003e Helps simplify the repair process by including required fuel lines, seals, gaskets, and related components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrusted Alliant Power Quality:\u003c\/strong\u003e Built for reliable fitment and dependable performance in demanding diesel applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAP54822 Kit Includes:\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e(8) Remanufactured Common Rail Injectors\u003c\/li\u003e\n  \u003cli\u003e(1) Reman Common Rail Fuel Pump\u003c\/li\u003e\n  \u003cli\u003e(1) Throttle Body Gasket\u003c\/li\u003e\n  \u003cli\u003e(1) EGR Gasket\u003c\/li\u003e\n  \u003cli\u003e(1) Turbocharger Air Inlet Adapter Seal\u003c\/li\u003e\n  \u003cli\u003e(2) Upper Intake Manifold Seals\u003c\/li\u003e\n  \u003cli\u003e(2) EGR Cooler Gaskets\u003c\/li\u003e\n  \u003cli\u003e(2) Coolant Thermostat Housing Gaskets\u003c\/li\u003e\n  \u003cli\u003e(1) EGR Coolant Feed Pipe Seal\u003c\/li\u003e\n  \u003cli\u003e(1) Diesel Fuel Filter Element, Metal-Free\u003c\/li\u003e\n  \u003cli\u003e(1) Fuel Injection Fuel Return Pipe\u003c\/li\u003e\n  \u003cli\u003e(1) LH Fuel Injection Return Pipe\u003c\/li\u003e\n  \u003cli\u003e(1) RH Fuel Injection Return Pipe\u003c\/li\u003e\n  \u003cli\u003e(1) Coolant By-Pass Pipe Gasket\u003c\/li\u003e\n  \u003cli\u003e(1) Thermostat Bypass Pipe Seal\u003c\/li\u003e\n  \u003cli\u003e(1) Fuel Cooler\u003c\/li\u003e\n  \u003cli\u003e(2) EGR Pipe Gaskets\u003c\/li\u003e\n  \u003cli\u003e(1) Fuel Injection Pump Nut\u003c\/li\u003e\n  \u003cli\u003e(1) Left-Hand Fuel Rail\u003c\/li\u003e\n  \u003cli\u003e(1) Right-Hand Fuel Rail\u003c\/li\u003e\n  \u003cli\u003e(1) Fuel Feed \u0026amp; Return Line Set\u003c\/li\u003e\n  \u003cli\u003e(4) Cylinder 2\/4\/5\/7 Rail-to-Injector Lines\u003c\/li\u003e\n  \u003cli\u003e(4) Cylinder 1\/3\/6\/8 Rail-to-Injector Lines\u003c\/li\u003e\n  \u003cli\u003e(1) Low Pressure Diesel Hydrocarbon Injector\u003c\/li\u003e\n  \u003cli\u003e(2) High Pressure Fuel Lines\u003c\/li\u003e\n  \u003cli\u003e(8) Fuel Injector Hold Down Bolts\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Alliant Power","offers":[{"title":"Default Title","offer_id":42518425174150,"sku":"AP54822","price":5516.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/Screenshot2025-10-20at12.36.52PM.png?v=1760985692"},{"product_id":"2017-2023-gm-6-6l-duramax-l5p-hp4-to-dcr-fuel-pump-conversion-kit","title":"2017–2023 GM 6.6L Duramax L5P HP4 to DCR Fuel Pump Conversion Kit","description":"\u003cp data-end=\"830\" data-start=\"422\"\u003eWhen you’re repairing a failed high-pressure pump or upgrading for long-term confidence, this \u003cstrong data-end=\"555\" data-start=\"516\"\u003eHP4 to DCR fuel pump conversion kit\u003c\/strong\u003e is built specifically for the \u003cstrong data-end=\"619\" data-start=\"586\"\u003e2017–2023 GM 6.6L Duramax L5P\u003c\/strong\u003e. It replaces the factory-installed \u003cstrong data-end=\"686\" data-start=\"655\"\u003eHP4 high-pressure fuel pump\u003c\/strong\u003e with a \u003cstrong data-end=\"711\" data-start=\"694\"\u003eDCR fuel pump\u003c\/strong\u003e and includes the fuel tubes required to complete the swap cleanly and correctly. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1028\" data-start=\"832\"\u003eThe result is a purpose-built, OEM-style conversion that supports consistent high-pressure common rail operation for daily driving, towing, and demanding use.\u003c\/p\u003e\n\u003cp data-end=\"1028\" data-start=\"832\"\u003eProduct Spec Sheet: \u003ca title=\"2017-2023 GM 6.6l Duramax l5p fuel pump conversion kit spec sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/6.6l_l5p_Conversion_kit_Pump_Spec_Sheet.pdf?v=1772135779\"\u003eClick Here\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1047\" data-start=\"1030\"\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1158\" data-start=\"1050\"\u003eConverts \u003cstrong data-end=\"1074\" data-start=\"1059\"\u003eL5P Duramax\u003c\/strong\u003e from \u003cstrong data-end=\"1094\" data-start=\"1080\"\u003eHP4 to DCR\u003c\/strong\u003e high-pressure fuel pump \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1307\" data-start=\"1161\"\u003eIncludes \u003cstrong data-end=\"1200\" data-start=\"1170\"\u003elow-pressure supply\/return\u003c\/strong\u003e and \u003cstrong data-end=\"1232\" data-start=\"1205\"\u003ehigh-pressure rail\/pump\u003c\/strong\u003e fuel tubes needed for installation \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1418\" data-start=\"1310\"\u003eDirect-fit kit engineered for the \u003cstrong data-end=\"1359\" data-start=\"1344\"\u003eGM 6.6L L5P\u003c\/strong\u003e fuel system layout \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1442\" data-start=\"1420\"\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1464\" data-start=\"1445\"\u003e(1) DCR fuel pump\u003c\/li\u003e\n\u003cli data-end=\"1501\" data-start=\"1467\"\u003e(1) High-pressure pump fuel tube\u003c\/li\u003e\n\u003cli data-end=\"1538\" data-start=\"1504\"\u003e(1) High-pressure rail fuel tube\u003c\/li\u003e\n\u003cli data-end=\"1576\" data-start=\"1541\"\u003e(1) Low-pressure supply fuel tube\u003c\/li\u003e\n\u003cli data-end=\"1614\" data-start=\"1579\"\u003e(1) Low-pressure return fuel tube\u003c\/li\u003e\n\u003cli data-end=\"1682\" data-start=\"1617\"\u003e(1) Supply hold-down bolt \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1696\" data-start=\"1684\"\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1771\" data-start=\"1699\"\u003e2017–2023 Chevrolet Silverado \u003cstrong data-end=\"1748\" data-start=\"1729\"\u003e2500HD \/ 3500HD\u003c\/strong\u003e 6.6L Duramax \u003cstrong data-end=\"1769\" data-start=\"1762\"\u003eL5P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1835\" data-start=\"1774\"\u003e2017–2023 GMC Sierra \u003cstrong data-end=\"1814\" data-start=\"1795\"\u003e2500HD \/ 3500HD\u003c\/strong\u003e 6.6L Duramax \u003cstrong data-end=\"1835\" data-start=\"1828\"\u003eL5P\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong data-end=\"1835\" data-start=\"1828\"\u003eReplaces \/ interchanges with (common references):\u003cbr data-end=\"2095\" data-start=\"2092\"\u003e\u003c\/strong\u003e12676904, 12678993, 12701094, 12731367, 2940500701, 294050-0701, 6040608C9, 6040608C91, 608990, ALLAP54850, ALLAP54851, AP54850, AP54851, IP55\u003c\/p\u003e\n\u003csection class=\"ii-faq\"\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat does this HP4 to DCR conversion kit do?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis kit replaces the factory-installed HP4 high-pressure pump on 2017–2023 6.6L Duramax L5P applications with a DCR-style high-pressure fuel pump. It also includes the fuel tubes required to complete the conversion.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat vehicles does this kit fit?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eFits 2017–2023 GM 6.6L Duramax L5P applications:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500HD \/ 3500HD (6.6L L5P)\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500HD \/ 3500HD (6.6L L5P)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat’s included in the kit?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cul\u003e\n\u003cli\u003eDCR high-pressure fuel pump\u003c\/li\u003e\n\u003cli\u003eLow-pressure supply fuel tube\u003c\/li\u003e\n\u003cli\u003eLow-pressure return fuel tube\u003c\/li\u003e\n\u003cli\u003eHigh-pressure rail fuel tube\u003c\/li\u003e\n\u003cli\u003eHigh-pressure pump fuel tube\u003c\/li\u003e\n\u003cli\u003eSupply hold-down bolt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo I need tuning after installing this kit?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eOn most stock-style conversions, this is designed as a direct-fit replacement and typically does not require ECM tuning on an otherwise stock truck. If your truck has aftermarket tuning, modified fuel system components, or additional fuel upgrades, confirm requirements with your tuner before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat’s the difference between an HP4 and a CP4?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e“CP4” typically refers to the Bosch CP4 pump used on certain other diesel platforms (commonly discussed on LML Duramax and 6.7 Power Stroke), while “HP4” on the L5P Duramax is generally referring to the factory high-pressure pump used on that application. They’re different pump designs and the names are not interchangeable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":43137681096838,"sku":"608990","price":2509.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/files\/l5p-dcr-pump-conversion.jpg?v=1771883347"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/collections\/AP54850_Alliant-Power_1.jpg?v=1788909763","url":"https:\/\/industrialinjection.com\/collections\/2017-2019-l5p-6-6l-duramax-injection-pumps-fuel-supply.oembed","provider":"Industrial Injection","version":"1.0","type":"link"}