Sierra's 18-7274 Fuel Pump is designed for use with MCM/MIE 898, 228, 250, 255, 260, and 280 engines. It is interchangeable with EMP 35-35274, GLM 77070, Mallory 9-35417, Mercruiser Stern Drive 71646, 78485, 86246, 86246A1, 86246T, and OMC Stern Drive 509409. Each Sierra product meets or exceeds the original equipment part it replaces.