Sierra® Thermostat Kit for Mercruiser® 170, 180, and 190 HP Engines, 1985-1987.
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. 18-3667) replaces your original thermostat and gasket kit (O.E.M. 99155T2).Kit contains:
Order up top-quality replacement parts for bottom dollar today!