Subaru USDM Thermostat Subaru WRX 2002-2014 / STI 2004-2019
Is your heat not working or is your car not heating properly. There is a chance that it could be due to your thermostat. Replace it with this OEM thermostat to get things in working order.
Warranty Disclaimer:Subaru of America will only warranty parts installed on a car that has a matching VIN to that part.
I recommend you use a OEM thermostat if your car is stock or modified.