Sierra® Thermostat Kit for OMC® Sterndrive 165-260HP / Cobra® 4.3-5.7L Engines, 1969-1992.
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. 18-3653) replaces your original thermostat, thermostat gaskets, and manifold gasket.Kit contains:
Order up top-quality replacement parts for bottom dollar today!