FASS Fuel Systems has over 19 years experience in building the "Quietest" highest quality Fuel Air Separation Systems and electric diesel fuel pumps available worldwide. It is this experience that has lead FASS to use a Gerotor specific fuel pump. Our success in the class 8 truck market has been above the rest. Our pumps typically last at least 700,000+ miles and our confidence is evident in our warranty. Fass offers a lifetime warranty on pickup truck applications!