Sierra® Thermostat Kit for Mercruiser® 340 HP Engines 1981-1987, 7.4 Bravo / 350 Mag Engines 1988-1995.
Proper thermostat operation is key in getting peak engine performance and maximum fuel efficiency!
This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3668) replaces your original thermostat, o ring, and gasket.Kit contains:
Order up top-quality replacement parts for bottom dollar today!