Sierra Ignition Coil for Mercury Marine/Crusader Engine, Part #18-5438

Replaces: Mercury Marine 392-7803A4, 392-805570A2 and Crusader 37068. Sierra products are engineered to meet today's high horsepower engine demands and stand up in the harsh Marine environment. All Sierra products meet or exceed the original equipment part it replaces. Use the Sierra Marine Interchange to identify the part needed -