Merchant Automotive Fuel Contamination Kit LM2 | 2020 - 2022

Fuel Contamination Kit, 3.0L Duramax | 2020–2022

Fuel system contamination—whether from DEF, gasoline, or other debris—can cause catastrophic damage to your 3.0L Duramax. When contamination occurs, every component that fuel touches must be replaced to ensure proper function and long-term reliability. This comprehensive kit includes everything needed to restore your system back to OEM standards in one convenient package.

Kit Includes:

• High-pressure fuel pump

• High-pressure fuel rail assembly

• High-pressure fuel injectors (full set)

• High-pressure fuel feed pipes (rail to rear, rail to front, injector feed lines)

• Fuel injector return pipe

• Fuel injection pump sprocket bolt

• Fuel injection pump accessory hole cover seal

• EGR pipe O-ring seal

• EGR cooler inlet pipe gasket

• Transmission cooler line seals (O-ring and line-to-transmission)

• Diesel fuel water separator

• Fuel filter

Why Choose This Kit?

• Complete Solution – Avoid piecing together individual parts. This kit contains all critical components required after a contamination event.

• OEM Quality Components – Direct-fit replacement parts engineered specifically for the 3.0L LM2 Duramax platform.

• Protect Your Investment – Prevent repeat failures by replacing all affected fuel system parts at once.

• Trusted Duramax Experts – Backed by over 20 years of diesel experience from Merchant Automotive.

Whether contamination came from a misfueling mistake or a DEF mix-up, this kit provides everything you need for a proper repair and peace of mind on the road.