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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:
- Thermostat (part no. 18-2555)-replaces O.E.M. part no. 99155A1
- Thermostat Cover Gasket (part no. 18-3555)-replaces O.E.M. part no. 27-89656-1.
Order up top-quality replacement parts for bottom dollar today!