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. 18-3651) replaces your original thermostat (O.E.M. 807252Q3).
Order up top-quality replacement parts for bottom dollar ONLINE today!
Sierra® Thermostat Kit for Mercruiser® Ford®V8 225, 233, and 255 HP Engines, 1973-1977
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