Sierra’s 18-3644 Thermostat Kit is designed for use in marine stern drive applications. The kit contains (1) 18-2553 Thermostat Gasket, (1) 18-3649 Thermostat, and (1) 18-0398 Thermostat Gasket. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in marine stern drive applications
Contains (1) 18-2553 Thermostat Gasket, (1) 18-3649 Thermostat, and (1) 18-0398 Thermostat Gasket
Temperature Rating: 160°F
Each Sierra product meets or exceeds the original equipment part it replaces
