Fuel Air Separation Systems

FASS Fuel Systems, Fuel Air Separation Systems are a combination diesel lift pumps and fuel filtration systems with built in water and air separation for your Powerstroke, Duramax or Cummins diesel engine.

Learn More

Fuel Pumps

If its strength and reliability you want from your fuel pump look no further. FASS fuel pump offers complete peace of mind

Learn More

Accessories

FASS offers a variety of accessories for your diesel vehicle - fuel pressure regulators, fuel lines and other miscellaneous diesel fuel accessories.

Learn More

Replacement Parts

FASS Fuel System offers a wide selection of replacement parts for purchase, allowing our customers that like to do it themselves access to all the same products originally available only to authorized dealers.

Learn More