{"title":"2017–2019 L5P 6.6L Duramax Fuel Injectors \u0026 Components","description":"\u003cp\u003eShop fuel injectors and related injector components for 2017–2019 L5P 6.6L Duramax applications. This collection is organized around the L5P platform so you can compare the available injector options before confirming exact fitment.\u003c\/p\u003e\u003cp\u003eInjector part numbers, product status, and included components can vary. Review each listing to confirm the correct application, whether the injector is new or remanufactured, quantity sold, core requirements, and any installation information.\u003c\/p\u003e","products":[{"product_id":"denso-12698552-oem-fuel-injector-2017-2023-duramax-l5p","title":"Denso OEM Fuel Injector | 2017-2023 GM 6.6L Duramax L5P | 12698552","description":"\u003ch2\u003eDenso OEM Fuel Injector for 2017-2023 GM 6.6L Duramax L5P\u003c\/h2\u003e\n\n\u003cp\u003eReplace a failed or worn injector in your 2017-2023 GM 6.6L Duramax L5P with a genuine OEM Denso fuel injector. Denso is the original equipment injector manufacturer for the L5P fuel system, making this a direct OE replacement for the factory injector.\u003c\/p\u003e\n\n\u003cp\u003eThis is a \u003cstrong\u003enew OEM Denso injector\u003c\/strong\u003e, not a remanufactured or modified performance injector. It is an ideal choice for stock replacement applications where factory fuel delivery and OE fitment are required.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine OEM Denso fuel injector\u003c\/li\u003e\n  \u003cli\u003eNew, not remanufactured\u003c\/li\u003e\n  \u003cli\u003eDesigned for the 6.6L Duramax L5P\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for the factory high-pressure common rail injector\u003c\/li\u003e\n  \u003cli\u003eStock fuel delivery\u003c\/li\u003e\n  \u003cli\u003eSold individually\u003c\/li\u003e\n  \u003cli\u003eGM Part Number: \u003cstrong\u003e12698552\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2017-2023 Chevrolet Silverado 2500 HD 6.6L Duramax L5P\u003c\/li\u003e\n  \u003cli\u003e2017-2023 Chevrolet Silverado 3500 HD 6.6L Duramax L5P\u003c\/li\u003e\n  \u003cli\u003e2017-2023 GMC Sierra 2500 HD 6.6L Duramax L5P\u003c\/li\u003e\n  \u003cli\u003e2017-2023 GMC Sierra 3500 HD 6.6L Duramax L5P\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background-color:#f2f2f2; padding:16px 20px; margin:20px 0;\"\u003e\n  \u003ch3 style=\"margin-top:0;\"\u003eCross Reference\u003c\/h3\u003e\n  \u003cp style=\"margin-bottom:0;\"\u003e\n    \u003cstrong\u003eGM:\u003c\/strong\u003e 12698552, 12696966, 12678992\u003cbr\u003e\n    \u003cstrong\u003eDenso:\u003c\/strong\u003e DXD51708\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot sure this is the correct injector?\u003c\/strong\u003e Contact Industrial Injection with your vehicle year, engine information, and current injector part number so our team can help verify the correct application.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":39952247652486,"sku":"12698552","price":308.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/products\/41D101_001.jpg?v=1664565657"},{"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":"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/1956\/0326\/collections\/41D101_001.jpg?v=1788909390","url":"https:\/\/industrialinjection.com\/collections\/2017-2019-l5p-6-6l-duramax-fuel-injectors-components.oembed","provider":"Industrial Injection","version":"1.0","type":"link"}