Fuel Contamination Kit with GM Injectors and GM Fuel Pump L5P| 2020 - 2023 - Merchant Automotive - 25010

Merchant Automotive Fuel System Contamination Kit – L5P Duramax (2020–2023)
Fuel contamination can quickly cause extensive damage to your Duramax engine—taking out injectors, high-pressure pumps, fuel rails, and lines. The  Merchant Automotive Fuel System Contamination Kit  for 2020–2023 L5P Duramax trucks is a comprehensive, OEM-quality solution designed to fully restore your fuel system and get your truck back on the road with confidence.
This kit includes all major fuel system components along with every necessary seal, gasket, hose, and fitting needed for a proper and reliable repair. Built to meet or exceed factory specifications, this kit is a critical investment in protecting your engine from the long-term effects of fuel contamination.
Key Features:
Complete fuel system restoration for 2020–2023 L5P Duramax
Includes high-quality OEM or better replacement components
Designed to eliminate contamination-related issues and restore performance
Helps prevent costly long-term engine damage
Backed by Merchant Automotive’s commitment to quality and reliability
Kit Contents (Fits 2020–2023 L5P Duramax):
High Pressure Fuel Injectors (x8)
Fuel Injection Pump
Fuel Injection Fuel Rails – LH & RH
High Pressure Fuel Feed Lines (to Rail and Crossover)
Fuel Injection Fuel Return Pipes – LH & RH
Merchant Automotive Fuel Injector Line Kit
Pipe Assembly – Fuel Feed and Return
Fuel Filter
Low Pressure Diesel Hydrocarbon Injector
Fuel Injection Fuel Return Hoses – Multiple Configurations
All essential gaskets, seals, and hardware for installation, including:
Bolt, Fuel Injector Bracket
Fuel Injection Pump Pulley Nut
Seal, Upper Intake Manifold
Engine Coolant Thermostat Housing Gasket
Thermostat Bypass Pipe Gasket & O-Ring
EGR Coolant Feed Pipe Seal
EGR Cooler Pipe Gasket
EGR Valve Gasket
EGR Pipe Gaskets
Turbo Air Inlet Adapter Seal
Throttle Body Gasket