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FASS Brand

256 products
FASS stands for Fuel Air Separation System and is a combination diesel fuel lift pump and fuel filtration system that is designed to improve your diesel truck’s fuel mileage, engine performance and extend the life of your diesel injection system. Our diesel fuel pump and diesel fuel filters are made in America in order to provide complete customer satisfaction. Regardless of the vehicle you drive, and how you power your life, FASS diesel fuel systems provide the cleanest fuel in order to extend the life of your favorite truck
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FASS | 1992-20000 GM 6.5L Diesel 100GPH Titanium Signature Series Diesel Fuel Pump FASS | 1992-20000 GM 6.5L Diesel 100GPH Titanium Signature Series Diesel Fuel Pump
$699.00
$699.00
The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration System in the diesel i...
FASS | 2020-2023 GM 6.6L Duramax No-Drop Titanium Fuel System (900-1200HP) FASS | 2020-2023 GM 6.6L Duramax No-Drop Titanium Fuel System (900-1200HP)
$969.00
$969.00
Installing a Titanium Signature Series Fuel System has never been easier, or more affordable. Designed to simplify installation, No-Drop Kits include our Fuel Sump—which prevents the need for remov...
FASS | 2020-2023 GM 6.6L Duramax No-Drop Titanium Fuel System (500-900HP) FASS | 2020-2023 GM 6.6L Duramax No-Drop Titanium Fuel System (500-900HP)
$919.00
$919.00
MM Fitment: GMC Sierra 2500HD 2020-2023, GMC Sierra 3500HD 2020-2023, Chevrolet Silverado 2500HD 2020-2023, Chevrolet Silverado 3500HD 2020-2023 Please Note: This Fuel System REQUIRES aftermarket t...
FASS | 2020-2023 GM 6.6L Duramax No-Drop Titanium Fuel System (Stock-500HP) FASS | 2020-2023 GM 6.6L Duramax No-Drop Titanium Fuel System (Stock-500HP)
$869.00
$869.00
Installing a Titanium Signature Series Fuel System has never been easier, or more affordable. Designed to simplify installation, No-Drop Kits include our Fuel Sump—which prevents the need for remov...
FASS | 1989-1993 Dodge 5.9L Cummins 100GPH Adjustable Fuel Pump FASS | 1989-1993 Dodge 5.9L Cummins 100GPH Adjustable Fuel Pump
$549.00
$549.00
Part No: FASD02100GSuperseded No: FAS D02 100G Our FASS Fuel Systems Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high-performance fuel System on the market...
FASS | 2011-2016 GM 6.6L Duramax Fuel System Flow Enhancer
$407.55
$407.55
Duramax diesel engines do not come with a factory System, this is why Duramax owners see such great performance and economic gains after installing an aftermarket diesel fuel System. When the facto...