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2020-2024 GM 2500 / 3500 Fuel System

135 products
Regular price $25.00
Sale price $25.00
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DIESEL INJECTOR FLUSH™ is a professional-use only product formulated to quickly and safely clean diesel fuel injectors during service and revitalize your diesel engine. This powerful, concentrated ...
Regular price $5,524.00
Sale price $5,524.00
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Suited for competition engines using big single or custom compound chargers with custom injectors looking to push the limits of your L5P! NOTE: For competition use only. Tuning is required, not for...
Regular price $255.00
Sale price $255.00
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A common failure point on the L5P Duramax, our replacement connector with 4.5" pigtail for the fuel injectors will get you back on the road quickly.  This connector is typically replaced during an ...
Regular price $679.00
Sale price $679.00
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The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the L5P Duramax. Backed by our limited lifetime warranty, the Drop-In Series Fuel ...
Regular price $275.00
Sale price $275.00
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Maximize the amount of usable fuel in your tank by accesing the supply from the bottom. No removal of the fuel tank is required - simply drill a 3-inch hole and self-centering drain clamps and seal...
Regular price $25.00
Sale price $25.00
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 3/8 inch Fuel Line Quick-Connect Plug. When installing a bottom sump with your AirDog or Fass Pump most trucks end up with an open fuel supply and or return line. Our 1/2 inch, 3/8 inch or 5/16 in...