Product Description
No plastic parts
Model GP-303-12 is a Reversible High Pressure, self-priming, compact, powerful, 12 VDC electric gear pump. Constructed with helical bronze gears, nickel-plated brass body and stainless steel shafts. Suitable for Motor oil, Diesel fuel transfer, Transmission fluid, Water, Antifreeze etc.
Included with the pump is intake screen and two 1/2" custom hose barb adapters. The pump can be used without the screen if so desired. The hose barb adapters can be screwed directly into the pump housing.
-6AN and -8AN adapters are available at the "Accessories and fittings" page
THE PUMP IS REVERSIBLE. It can be operated in any direction by reversing the polarity, or it can be wired to a reversing switch.
*ISO-16949 and ISO-16750-2 suggest that electrical tests should be performed with 28V supply for 24V-products (and with 14V supply for 12V-products) since the battery voltage is 28VDC while the engine is running.
Reusable stainless steel screen strainer provided
The pump has IP 67 protection rating
EN 55014-1 Electromagnetic emission compatibility
Pump Housing Ports: Tapped 3/8" BSP, pump supplied with Intake screen filter and two 1/2"
hose barb adapters
Motor: 12VDC, powder epoxy coated body
Circuit Protection: Install fuse: 25A slow blow fuse
Current: See Graphs Below
Flow Rate: 5 GPM (18LPM) *See Flow and AMP diagrams below
Run dry time, up-to 30 min
Self Priming With Wet Gears: 13 ft (4 m)
Working pressure: 101psi
Motor Life: Approx. 2000 hours
Max. Ambient Operating Temperature: 14-185°F (-10-85°C)
Pump Body: Nickel plated Bronze
Gears:Bronze
Shafts: Stainless Steel
Seals: Viton
DO NOT USE for gasoline, flammable liquids liquids, food products,
corrosive chemicals & solvents.
Weight: 9.5 lbs 
