This ALL METAL MerCruiser Raw Sea Water Pump is perfect for impeller engine cooling in boats. The pump is designed for use with 4.3L, 5.0L, and 5.7L engines and features an interchangeability with Mercury Marine Quicksilver. The manufacturer part numbers for the pump are 8M0122655, 46-8M0122655, 46-8M0118067, and 46-862914T10. The brand of the pump is DJ PUMP, and the warranty is for an unspecified length of time. This pump is ideal for use in the cooling system of your boat.