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FASS Brand

247 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 | 1998.5-2004 Dodge Ram 5.9L Cummins 165GPH No Drop Titanium Fuel System FASS | 1998.5-2004 Dodge Ram 5.9L Cummins 165GPH No Drop Titanium Fuel System
$1,220.00
$1,220.00
Part No.: NDTSD08165G 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 preve...
FASS | 2005-2018 / 2021-2024 Dodge Ram 5.9L / 6.7L Cummins 165GPH No Drop Titanium Fuel System FASS | 2005-2018 / 2021-2024 Dodge Ram 5.9L / 6.7L Cummins 165GPH No Drop Titanium Fuel System
$1,148.00
$1,148.00
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 | 2019-2024 Dodge Ram 6.7L Cummins (W/ CP4 Recall) Drop-In Series Fuel Filter System FASS | 2019-2024 Dodge Ram 6.7L Cummins (W/ CP4 Recall) Drop-In Series Fuel Filter System
$688.00
$688.00
Installation of this kit on a cab and chassis may require modifications. Drop-In Fuel Systems are a plug-and-play filtration upgrade and are not compatible with our Fuel Sump Kit. No additional ite...
FASS | 2017-2019 GM L5P Duramax Crew Cab Short Bed / 2017-2023 Crew Cab Long Bed Drop-In Series Fuel System
$688.00
$688.00
Please Note: THIS IS NOT A LIFT PUMP! This is an air separation/filtration system that utilizes your factory lift pump. Fits: 2017-2019 Crew Cab Short Bed L5P Duramax Fits: 2017-2024 Crew Cab Long ...
Fass | 2017-2024 GM L5P Duramax Billet Fuel Filter Cap Fass | 2017-2024 GM L5P Duramax Billet Fuel Filter Cap
$159.00
$159.00
The OEM plastic fuel filter cap on your L5P Duramax is susceptible to rounding off when replacing the water separator and cracking during extreme cold weather conditions. Upgrade your OEM plastic f...
FASS | 2017-2019 GM 6.6L L5P Duramax 140GPH No Drop Titanium Fuel System FASS | 2017-2019 GM 6.6L L5P Duramax 140GPH No Drop Titanium Fuel System
$1,248.00
$1,248.00
Please Note: This Fuel System REQUIRES aftermarket tuning to be compatible. Installing a Titanium Signature Series Fuel System has never been easier, or more affordable. Designed to simplify instal...