Pumps are designed for use on all low and high pressure carburetor equipped automobiles, trucks, vans, generators, agriculture, gasoline and diesel engines, marine, construction and agriculture utility equipment. The 12-volt pumps perform in a 1.5-4 psi range at 28 GPH. Can be used as a lift / priming pump for most diesel engines (36" of lift). Compatible with all fuels and additives. These pumps can be a perfect OE replacement for any of your equipment. Rugged solid-state design pumps are a simple two-wire hook-up and made in the USA. Fuel filter and hardware are included.