Sierra Thermostat Kit Mercruiser - S18-3647 Trailer Parts The hose effortlessly expands to

The hose effortlessly expands to three times its length under pressure

Meets AS2070 food contact requirements

- Ensure top-notch performance with the world leaders in spark plug technology

complemented by plastic insert buttons that cover fastening holes seamlessly

Black polyethylene foam tape with acrylic self adhesive backing

Sierra Thermostat Kit Mercruiser - S18-3647 Trailer Parts The hose effortlessly expands toThe Sierra Thermostat Kit Mercruiser S18 3647 comes with everything you need to replace your old thermostat. This kit includes a thermostat, a thermostat cover gasket, an o ring, and a thermostat housing gasket. It is compatible with part numbers 807252Q5, 807252T8, 27 48818 1, 27 33179 2, 27 47510, 27 30224, 27 53045 1, and 27 33918. Trust the quality of Sierra's products for your marine engine needs.