The Sierra 18-7330 Electric Fuel Pump is interchangeable with the following: Mallory 9-35430, OMC Stern Drive 3855958, 3857650, 3854280, 988037, 987620, Volvo Penta 988037, 3855958, 3857650, 3854280. Each Sierra product meets or exceeds the original equipment part it replaces.