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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 | 2001-2016 GM 6.6L Duramax 100GPH Adjustable Fuel Pump FASS | 2001-2016 GM 6.6L Duramax 100GPH Adjustable Fuel Pump
$549.00
$549.00
Our FASS Signature Series Adjustable Diesel Fuel Systems are designed to be the most versatile high-performance fuel System on the market that allows for adjustable fuel pressures to meet the deman...
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FASS | 2020-2025 GM 6.6L L5P Duramax EGR Filter System FASS | 2020-2025 GM 6.6L L5P 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 | 2023-2024 Ford F250 / F350 6.7L Power Stroke 240GPH Titanium Fuel System FASS | 2023-2024 Ford F250 / F350 6.7L Power Stroke 240GPH Titanium Fuel System
$1,079.00
$1,079.00
Part No: TSF20290F240G FITMENT NOTE: Installation of this kit on a cab and chassis may require modifications. The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Sys...
FASS | 2023-2024 Ford F250 / F350 6.7L Power Stroke 140GPH Titanium Fuel System FASS | 2023-2024 Ford F250 / F350 6.7L Power Stroke 140GPH Titanium Fuel System
$999.00
$999.00
Part No: TSF20180F140G FITMENT NOTE: Installation of this kit on a cab and chassis may require modifications. The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Sys...
FASS | 2023-2024 Ford F250 / F350 6.7L Power Stroke 220GPH Titanium Fuel System FASS | 2023-2024 Ford F250 / F350 6.7L Power Stroke 220GPH Titanium Fuel System
$1,029.00
$1,029.00
Part No: TSF20250F220G  FITMENT NOTE: Installation of this kit on a cab and chassis may require modifications. The Titanium Signature Series diesel fuel System was engineered by FASS Diesel Fuel Sy...
FASS | 2023-2024 Ford F250 / F350 6.7L Power Stroke 240GPH Titanium Fuel System No-Drop Kit
$1,099.00
$1,099.00
Part No: NDTSF20290F240G 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 pr...