Thermostat Service Kit, Mercruiser

Thermostat Service Kit. For Mercruiser Stern Drives (1981-1995). Use with 18-1989 Thermostat Housing. Premium Quality For Longer Life. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. For Mercruiser Stern Drives (1981-1995) Use with 18-1989 Thermostat Housing Premium Quality For Longer Life Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty