Water Pump Base, Mercruiser

Water Pump Base. For Mercruiser Stern Drive. Fits: MC-I & R drives w/o flush screw in housing (1970-1984). Replaces Mercruiser 46-57234A1, Mallory 9-43306, and GLM 12310. Premium Quality For Longer Life. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. Fits: MC-I & R drives w/o flush screw in housing (1970-1984) Replaces Mercruiser 46-57234A1, Mallory 9-43306, and GLM 12310 Premium Quality For Longer Life Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty