This transfer pump is suitable for oil, diesel fuel, or water. Can transfer hot or cold oil to and from the engine oil pan. Ports are 3/8" internal and 3/4" garden hose thread fittings. 3-position switch with lock is directionally oriented for easy operation. Generates up to 15 psi. Self-priming and reversible (drain and fill). Reversible pump and motor with supply and drain hoses. Electrical components and fittings. Motor is standard with a built-in switch guard and fuse. Ports: (Ext) M 3/4" Hose (Int). 3/8" NPT. Amp.: 7A@12V - 3A@24V. Flow Rate: 3.0 GPM / 11.35 LPM. Self-priming: 3 feet. Lift: 10 feet. Motor: 12/24V DC.