Sierra International 18-3647, Thermostat Kit Medium
The Sierra 18-3647 Thermostat Kit is interchangeable with the following: GLM 13101, Mallory 9-43157, Mercruiser 807252Q5, 807252T8. Each Sierra product meets or exceeds the original equipment part it replaces. Contains 18-2552 Thermostat Cover Gasket, 18-2553 Thermostat Cover Gasket, 18-2844 Thermostat Gasket, 18-2917 Thermostat Gasket, 18-3649 Thermostat, 18-7173 O-Ring.
