OEM: 5000308 Fits 1995-2005 40, 45, and 55 hp; 2004-2005 40, 50 and 60 hp 2 cylinder loopcharged engines with the large gearcase. Large water pump with the six vane impeller.
OEM: 438602 Fits 1979-2005 40-60 hp 2 cylinder loopcharged engines with the large gearcase; fits 1979-1985 65, 70 and 75 hp 3 cylidner loopcharged engines with the large gearcase. Large water pump with the plastic wedge key impeller.