GooDeal 12V Universal Low Pressure Gas Diesel Electric Fuel Pump 1/4 Tubing 3-5 PSI This is a universal fuel pump for marine,diesel,trucks,carburated cars,jeeps, generators,ridding tractors,diesel priming, or replacing mechanical pumps. No diaphram, free flow. The solenoid pump uses a piston actuated by an electromagnetic coil to generate fuel pressure and flow. By using only short pulses of electricity, the solenoid pump is very energy-efficient. Shipping from our USA warehouse, fast shipping and good service.