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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
Regular Price $299.25
Sale Price $299.25
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The FASS Diesel Fuel Systems High Flow Adjustable Fuel Pressure Regulator was engineered to accurately adjust fuel pressure in applications up to 600 GPH. The High Flow Adjustable Fuel Pressure Re...
Regular Price $23.75
Sale Price $23.75
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Fass Fuel Systems PF-3001XL Particulate Filter Our new particulate filter is rated at 144 microns. the 144 micron particulate filter on the suction side will drastically reduce cavitation, increase...
Regular Price $32.30
Sale Price $32.30
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Fass Fuel Systems XWS-3002XL 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 fil...
Regular Price $691.55
Sale Price $691.55
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A FASS Fuel Systems can be a beneficial upgrade for your GM Duramax LML diesel engine, this is because your Duramax doesn’t come with a factory lift pump like other diesels. This requires your CP4 ...
Regular Price $691.55
Sale Price $691.55
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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...
Regular Price $786.55
Sale Price $786.55
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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...