L5P Fuel Contamination Kit - 2020-23 Duramax L5P

Alliant Power SKU: AP54822
Price
Regular price $5,51618
Regular price $000 Sale price $5,51618
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The Alliant Power AP54822 Fuel Contamination Kit is a complete fuel system repair kit for 2020–2023 Chevy and GMC 6.6L L5P Duramax 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.

The AP54822 kit includes 8 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. It gives diesel technicians and hands-on truck owners a complete, factory-style repair solution in one package.

AP54822 Core Refund Requirements

To qualify for a core refund on the AP54822 Fuel Contamination Kit, Industrial Injection must receive the complete core return listed below.

  • 8 injector cores
  • Fuel pump core with lines
  • Unbroken solenoid
  • Both fuel rails

All listed AP54822 core components are required. Missing, broken, or incomplete core components may delay or void the core refund.

Key Features & Benefits:

  • Specific Fitment: Designed for 2020–2023 Chevy and GMC 6.6L L5P Duramax applications.
  • Complete Contamination Repair Kit: Includes the major components needed to repair fuel system contamination damage.
  • Remanufactured Fuel Components: Includes 8 remanufactured common rail injectors and 1 remanufactured common rail fuel pump.
  • Fuel Rail Replacement Included: Comes with both left-hand and right-hand fuel rails.
  • Water-Cooled Fuel Cooler: Includes the updated water-cooled fuel cooler used in this AP54822 kit.
  • Lines, Gaskets & Seals Included: Helps simplify the repair process by including required fuel lines, seals, gaskets, and related components.
  • Trusted Alliant Power Quality: Built for reliable fitment and dependable performance in demanding diesel applications.

AP54822 Kit Includes:

  • (8) Remanufactured Common Rail Injectors
  • (1) Reman Common Rail Fuel Pump
  • (1) Throttle Body Gasket
  • (1) EGR Gasket
  • (1) Turbocharger Air Inlet Adapter Seal
  • (2) Upper Intake Manifold Seals
  • (2) EGR Cooler Gaskets
  • (2) Coolant Thermostat Housing Gaskets
  • (1) EGR Coolant Feed Pipe Seal
  • (1) Diesel Fuel Filter Element, Metal-Free
  • (1) Fuel Injection Fuel Return Pipe
  • (1) LH Fuel Injection Return Pipe
  • (1) RH Fuel Injection Return Pipe
  • (1) Coolant By-Pass Pipe Gasket
  • (1) Thermostat Bypass Pipe Seal
  • (1) Fuel Cooler
  • (2) EGR Pipe Gaskets
  • (1) Fuel Injection Pump Nut
  • (1) Left-Hand Fuel Rail
  • (1) Right-Hand Fuel Rail
  • (1) Fuel Feed & Return Line Set
  • (4) Cylinder 2/4/5/7 Rail-to-Injector Lines
  • (4) Cylinder 1/3/6/8 Rail-to-Injector Lines
  • (1) Low Pressure Diesel Hydrocarbon Injector
  • (2) High Pressure Fuel Lines
  • (8) Fuel Injector Hold Down Bolts
Shipping information

Free economy ground shipping on most orders over $200. This includes lower 48 United States only. Excludes products that must ship freight.

Core Return Info

Read Carefully!

When you purchase a product from our website that has a core requirement, you have two options:

1. You choose to pay the core charge and we will ship the product right away, then once we receive the cores you will be refunded the core charge if your cores pass our inspection qualifications. This is the preferred choice and has the least delays. 

2. You choose to send in your cores before we ship the product that was purchased. This choice has the risk of delayed shipment of your purchased product and our inventory is not guaranteed by the time we receive your cores. You will need to follow all of the instructions below as quickly as possible so that you can get your purchased product and we can receive the cores. When you choose this option you acknowledge that by the time we receive your cores, our inventory could have change and there could be a delay in your shipment. 

 


Please return all cores to:



Industrial Injection Core Returns
2858 South 300 West
Salt Lake City, Utah 84115

INCLUDE RA# THAT WAS ISSUED AT TIME OF PURCHASE! If RA # is lost, please call Customer Service at (800) 955-0476. Have your original invoice at time of phone call to give all appropriate information for return.

Core return freight is the responsibility of the customer

FULL CREDIT WILL BE GIVEN WHEN: 

In order to receive full core credit, your core(s) must be returned within 90 days from receipt of order. It must be as is “off the engine.” Full core credit will be given if core meets acceptance criteria. Cores that are damaged during shipment to Industrial Injection are the responsibility of the customer and their shipping company.

½ CORE CHARGE CREDIT WILL BE GIVEN WHEN:

  • Slightly damaged housing or camshaft
  • Missing parts such as FCA

No Core Credit issued when:

  • Core is seized or hydraulic head is cracked
  • Excessive damage ( Heavy use of Bio-diesel and rust are common causes for unacceptable core)
  • Core is fire damaged
  • Core is returned after 90 days/3months

Please do the following when returning a core:

  • Make sure you have removed all fittings from your old unit
  • Drain all fuel and oil from unit
  • Package cores so that fuel and oil does not escape from the package

NOTE: packages that have fuel or oil residue on the outside of the box during shipping will not be delivered by UPS or the postal service which will cause delays.

  • Please re-use boxes and bags that parts were shipped in originally. These boxes are UPS approved to reduce damage while being handled in freight.
  • All shipping charges are the responsibility of the customer
  • Please write on the box “Core Return” and have RA # clearly written on the outside of box
  • Include copy of original invoice and RGA inside box

PLEASE RETAIN RA#, INVOICE # AND TRACKING NUMBER UNTIL CREDIT IS RECEIVED BY YOU. We do not research by customer name, only invoice # or RA #.

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