Description

Sierra’s 18-3667 Thermostat Kit is designed for use in Mercruiser stern drive applications. The kit contains (1) 18-2555 Thermostat Housing Gasket and (1) 18-3555 Thermostat. It is interchangeable with GLM 13420. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Mercruiser stern drive applications
Contains (1) 18-2555 Thermostat Housing Gasket and (1) 18-3555 Thermostat
Interchangeable with GLM 13420
Temperature Rating: 160°F
Each Sierra product meets or exceeds the original equipment part it replaces