Collection:
FASS Brand
81 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
FASS | Extreme Water Separator
Regular Price
$41.00
Sale Price
$41.00
Regular Price
Unit Price
/per
Fass Fuel Systems XWS-3002 Extreme Water Separator
Our new more efficient Extreme Water Separator is rated at 2 microns absolute. The reason our water separator no longer drain is because the filte...
FASS | 2017-2021 Ford Power Stroke 6.7 Titanium Signature Series Fuel System 140GPH
Regular Price
$1,092.00
Sale Price
$1,092.00
Regular Price
Unit Price
/per
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 | 2005-2018 & 2021-2022 Dodge Ram 5.9L / 6.7L Cummins Titanium Signature Series Fuel System 100GPH
Regular Price
$895.00
Sale Price
$895.00
Regular Price
Unit Price
/per
The Titanium Signature Series diesel fuel lift pump was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel indus...
FASS | 1998.5-2004.5 Dodge Ram 5.9 Cummins Titanium Signature Series Fuel System 165GPH
Regular Price
$895.00
Sale Price
$895.00
Regular Price
Unit Price
/per
The Titanium Signature Series diesel fuel lift pump was engineered by FASS Fuel Systems to be the top performing, longest lasting and most reliable aftermarket filtration system in the diesel indus...
FASS | 2010-2018 Dodge Ram 6.7L Cummins Drop-In Series Diesel Fuel Filter System
Regular Price
$632.00
Sale Price
$632.00
Regular Price
Unit Price
/per
Part No: DIFSRAM1001
The FASS Drop-In Series Diesel Fuel System was engineered by FASS to be the most effective filtration solution for the Cummins. Backed by our limited lifetime warranty, the Dro...
FASS | 2017-2024 GM L5P Duramax Billet Fuel Filter Cap
Regular Price
$153.00
Sale Price
$153.00
Regular Price
Unit Price
/per
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...
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device