Fass Fuel Systems is a premium diesel lift pump manufactuer located in Marthasville Missouri. All Fass Lift Pumps are 100% built in Marthasville of the best parts and material in the industry. Built in the USA and backed by the best lift pump lifetime warranty in the business, alothough Fass Lift Pumps have less than a 1% failure rate if any issue ever occurs you will be covered by a lifetime promise from Fass Fuel Systems.
