For GM (Chevy) Marine 7.4 (454), 8.2 (502) engines Replaces Replaces Part #: 18-7288, 812454A1, 862048A1, 812454A3, M60601, 9-35426, 60601 Gasket included Please note position of inlet and outlet ports This bolts to the engine, does not fit on sea water pump New mechanical fuel pump used on many Mercury Mercruiser 454 and 502 engines. Please note position of inlet and outlet ports