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FASS Brand

255 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 | 2017-2019 GM 6.6L Duramax EGR Filter System
$999.00
$999.00
The FASS EGR Filter System is a revolutionary upgrade for the 6.6 L5P Duramax engine. By removing 85% of the particulate matter that would otherwise circulate throughout your engine, this Filtratio...
FASS | 2020-2023 GM 6.6L Duramax 240GPH No Drop Titanium Plus Fuel System FASS | 2020-2023 GM 6.6L Duramax 240GPH No Drop Titanium Plus Fuel System
$899.10
$899.10
Please Note: This Fuel System REQUIRES aftermarket tuning to be compatible. Fits: 2020-2023 GM/Chevy Duramax 6.6L Part No.: NDTSPC15290F240G Installing a Titanium Signature Series Plus Fuel System ...
FASS | 2020-2023 GM 6.6L Duramax 220GPH No Drop Titanium Plus Fuel System FASS | 2020-2023 GM 6.6L Duramax 220GPH No Drop Titanium Plus Fuel System
$854.10
$854.10
Please Note: This Fuel System REQUIRES aftermarket tuning to be compatible. Fits: 2020-2023 GM/Chevy Duramax 6.6L Part No.: NDTSPC15250F220G Installing a Titanium Signature Series Plus Fuel System ...
FASS | 2020-2023 GM 6.6L Duramax 140GPH No Drop Titanium Plus Fuel System FASS | 2020-2023 GM 6.6L Duramax 140GPH No Drop Titanium Plus Fuel System
$809.10
$809.10
Please Note: This Fuel System REQUIRES aftermarket tuning to be compatible. Fits: 2020-2023 GM/Chevy Duramax 6.6L Part No.: NDTSPC15180F140G Installing a Titanium Signature Series Plus Fuel System ...
FASS | 2017-2019 GM 6.6L Duramax 240GPH No Drop Titanium Plus Fuel System FASS | 2017-2019 GM 6.6L Duramax 240GPH No Drop Titanium Plus Fuel System
$899.10
$899.10
Please Note: This Fuel System REQUIRES aftermarket tuning to be compatible. Fits: Fits 2017-2019 GM/Chevy Duramax L5P Part No.: NDTSPC13290F240G Installing a Titanium Signature Series Plus Fuel Sys...
FASS | 2017-2019 GM 6.6L Duramax 220GPH No Drop Titanium Plus Fuel System FASS | 2017-2019 GM 6.6L Duramax 220GPH No Drop Titanium Plus Fuel System
$854.10
$854.10
Installing a Titanium Signature Series Plus Fuel System has never been easier, or more affordable. Designed to simplify installation, No-Drop Plus Kits include our Fuel Sump—which prevents the need...