12V Oil Extractor Pump, 3.2GPM Electric Gear Oil Pump, Fluid Transfer & Scavenge Pump for Engine Oil, Gear Oil, Transmission Fluid Change, Heavy-Duty Marine Oil Pump for Car, Truck, Mower, Boat. Efficient Oil Extractor: This marine oil pump features all-copper construction — motor, impeller, and pump head — providing lower power consumption and stronger output.