Engine Coolant Housing where a Thermostat is used but not included.
COVER-THERMO Engine Coolant Thermostat Housing
Fits BRZ
Engine Coolant Thermostat Housing
A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your 2021 Subaru Forester to overheat. Consider replacing your engine coolant thermostat or having our staff of expert techs handle it for you.