Subaru WRX Thermostats and Housings
This page brings together thermostats and housings for the Subaru WRX across the 2012–2025 model years, covering engine coolant thermostats, thermostat housings, and water outlets. OE replacement parts and gaskets are represented throughout the range. Choose your model year above and this page keeps only the thermostats and housings that fit your Subaru WRX. Each listing is matched to our vehicle fitment data before it appears here.
Derale Performance 15719 Billet Fluid Control Thermostat Kit 1/2" NPT 180°F
Mishimoto MMTS-WRX-01 Racing Thermostat for Subaru WRX/STI
Beck/Arnley Engine Coolant Thermostat - OE Replacement for Foreign Nameplate Vehicles
Mishimoto MMTS-WRX-15 Racing Thermostat for 2015+ Subaru WRX
What's here for your Subaru WRX
- Engine Coolant Thermostats — including OE replacement units and versions supplied with gaskets
- Engine Coolant Thermostat Housings — housings designed to seat and seal the thermostat in the cooling circuit
- Engine Coolant Water Outlets — outlet fittings that direct coolant flow from the engine
The widest selection here comes from Motorad, MAHLE, Gates, and Mishimoto, giving you a range of OE-style and performance-oriented options across those part types. Other categories Subaru WRX owners shop for: Subaru WRX Springs and Suspension Parts, Subaru WRX Brake Pads and Shoes and Subaru WRX Engine Block Parts, or browse all Subaru WRX parts and accessories.