Carter mechanical fuel pumps are 100 percent factory-tested and approved. They are available for most domestic and imported passenger cars, trucks, and industrial engines. Carter fuel pumps are offered in diecast as well as stamped steel to accommodate the wide variety of applications on the road. Stamped steel fuel pumps feature valve chambers with large diameter diaphragms for high-capacity and superior vapor handling characteristics. Their innovative design is utilized as original equipment by automobile manufacturers.