FASS Diesel Fuel Systems maintains customer loyalty by producing the highest quality diesel fuel systems available and providing excellent customer service. We drive this loyalty with the highest degree of integrity & character which is the base of our foundation. Meaning, when you do business with FASS fuel system dealers your “COMPLETE SATISFACTION” is of utmost importance. FASS Fuel Systems increase injection components life, improves fuel economy, lower EGT’s, lower emissions (both Carbon Monoxide and Carbon Dioxide), extends filter life, provides excellent cold weather starts and boost horsepower. We take pride in our filtration system and its ability at removing “ALL” types of fuel contaminants such as AIR, WATER, DIRT and VAPOR from diesel fuel providing your engine the cleanest fuel available. With over 20 years of experience in building the “quietest”, highest quality combination of Fuel Air Separation Systems (FASS) and electric diesel fuel pump available worldwide.