The Alliant Power AP57004 is a remanufactured fuel contamination kit for 2011–2016 GM LML Duramax applications. Alliant’s Fuel Contamination Kit supports fuel-system service when contamination has affected fuel delivery components.

Features & Benefits

• Remanufactured Alliant Power Fuel Contamination Kit (Alliant P/N AP57004)
• 100% all Genuine OE or OE equivalent validated components
• Each fuel system component is 100% end-of-line tested at 15 different points to ensure zero leaks and peak performance
• One convenient kit that includes all necessary components to do a fuel system repair
• USA assembled and built proudly in an ISO 9001:2015 Certified Facility
• Direct replacement for 12620534 / 12638262 / 12639151
• Backed by Alliant Power’s 36-month, unlimited-mileage warranty

Included in the Box

• 1x Bosch Reman CP4 Fuel Pump OE# 12661059
• 1x Bosch Fuel Rail (Driver Side) OE# 12651989 (Includes Pressure Regulator and Sensor)
• 1x Bosch Fuel Rail (Passenger Side) OE# 12620532
• 8x Reman Bosch Fuel Injectors OE# 19256590
• 1x Regulated Return Fuel Line OE# 12639000
• 8x Rail to Injector Lines OE#'s 12670468 12670469 12670471 12670460
• 1x Rail to Rail Line OE# 12670466
• 1x Driver Side Pump to Rail Line OE# 12670474
• 1x Passenger Side Pump to Rail Line OE# 12670475

Application

• Chevrolet Silverado 2500 HD / Silverado 3500 HD (2011–2016)
• GMC Sierra 2500 HD / Sierra 3500 HD (2011–2016)

Always verify fitment against your VIN, engine, and OE part number before ordering.

Cross-Reference / Replaces

• General Motors: 12620534, 12638262, 12639151, 12645102, 12645103, 12658095, 12661059, 12672028, 19420326, 98077841
• ACDelco: 217-3440
• Delphi: EX631096, EX836104
• Alliant Power: AP57004

Warranty: Alliant Power lists this complete fuel contamination kit on its 3-year warranty coverage list (36 months, unlimited mileage/hours; parts & labor per Alliant’s policy).

A refundable core charge is added at checkout and refunded when your old components are returned per our core terms.