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Mishimoto
Fits 2014 to 2026 Subaru Ascent, Crosstrek, Forester and 4 more models. See every vehicle
The Mishimoto racing thermostat for the 2015-2021 Subaru WRX will promote greater cooling efficiency in your FA20DIT or FA24DIT. Once the engine is fully warmed up, the Mishimoto racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to flow through the engine sooner, which reduces and maintains cooler engine temperatures. The Mishimoto WRX racing thermostat is the perfect addition to your street or track WRX and is a direct replacement for the stock thermostat. As with all our products, this thermostat includes the Mishimoto Lifetime Warranty.
Warranty: Lifetime Warranty
| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 2019 - 2021 | Subaru | Ascent | Base, Convenience, Limited, Premier, Premium, Touring | 2.4L 146 H4 |
| 2022 | Subaru | Ascent | Base, Convenience, Limited, Onyx Edition, Premier, Premium, Touring | 2.4L 146 H4 |
| 2023 - 2024 | Subaru | Ascent | Base, Convenience, Limited, Onyx Edition, Onyx Edition Limited, Premier, Premium, Touring | 2.4L 146 H4 |
| 2025 | Subaru | Ascent | Bronze Edition, Convenience, Limited, Onyx Edition, Onyx Edition Touring, Premier, Premium, Touring | 2.4L 146 H4 |
| 2024 | Subaru | Crosstrek | Base, Convenience, Limited, Limited e-boxer, Premium, Premium Plus, Touring | 2.0L H4 |
| 2025 | Subaru | Crosstrek | Base, Convenience, Dynamic, Limited, Limited e-boxer, Touring | 2.0L H4 |
| 2026 | Subaru | Crosstrek | Convenience, Touring | 2.0L H4 |
| 2014 | Subaru | Forester | 2.0XT Limited, 2.0XT Premium, 2.0XT Touring, XT | 2.0L 122 H4 |
| 2015 | Subaru | Forester | 2.0XT Premium, 2.0XT Touring, XT | 2.0L 122 H4 |
| 2016 - 2018 | Subaru | Forester | 2.0XT Limited, 2.0XT Premium, 2.0XT Touring, XT | 2.0L 122 H4 |
| 2025 | Subaru | Forester | Base, Black Edition, Convenience, Limited, Premier, Premium, Premium Plus, Sport, Touring, Wilderness | 2.5L 152 H4 |
| 2026 | Subaru | Forester | Base, Convenience, Limited, Premier, Premium, Sport, Touring | 2.5L 152 H4 |
| 2024 - 2025 | Subaru | Impreza | Base, Convenience, Sport, Touring | 2.0L H4 |
| 2026 | Subaru | Impreza | Convenience, Sport, Touring | 2.0L H4 |
| 2020 - 2022 | Subaru | Legacy | Limited GT, Limited XT, Premier GT, Touring XT | 2.4L 146 H4 |
| 2023 - 2024 | Subaru | Legacy | GT, Sport, Touring XT | 2.4L 146 H4 |
| 2025 | Subaru | Legacy | Sport, Touring XT | 2.4L 146 H4 |
| 2020 - 2021 | Subaru | Outback | Limited XT, Onyx Edition XT, Outdoor XT, Premier XT, Touring XT | 2.4L 146 H4 |
| 2022 | Subaru | Outback | Limited XT, Onyx Edition XT, Premier XT, Touring XT, Wilderness | 2.4L 146 H4 |
| 2023 | Subaru | Outback | Field, Limited XT, Onyx Edition XT, Premier XT, Touring, Touring XT, Wilderness | 2.4L 146 H4 |
| 2024 | Subaru | Outback | Geyser Blue Edition, Limited XT, Onyx Edition XT, Premier XT, Touring XT, Wilderness | 2.4L 146 H4 |
| 2025 | Subaru | Outback | Limited XT, Onyx Edition XT, Premier XT, Touring XT, Wilderness | 2.4L 146 H4 |
| 2015 - 2016 | Subaru | WRX | Base, Limited, Premium | 2.0L 122 H4 |
| 2017 | Subaru | WRX | Base, Limited, Premium, Sport, Sport-tech | 2.0L 122 H4 |
| 2018 | Subaru | WRX | 6 Man, Base, CVT, Limited, Premium, Sport, Sport-tech | 2.0L 122 H4 |
| 2019 | Subaru | WRX | 6 Man, Base, CVT, Limited, Premium, Raui Edition, Sport, Sport-tech, Sport-tech RS | 2.0L 122 H4 |
| 2020 | Subaru | WRX | 6 Man, Base, CVT, Limited, Premium, Sport, Sport-tech, Sport-tech RS | 2.0L 122 H4 |
| 2021 | Subaru | WRX | 6 Man, Base, CVT, EyeSight, Limited, Premium, Sport, Sport-tech | 2.0L 122 H4 |
| 2022 - 2023 | Subaru | WRX | Base, GT, Limited, Premium, Sport, Sport-tech | 2.4L 146 H4 |
| 2024 | Subaru | WRX | Base, GT, Limited, Premium, RS, Sport, Sport-tech, TR | 2.4L 146 H4 |
| 2025 | Subaru | WRX | GT, High, Limited, Premium, Sport, Sport-tech, Sportwagon, TS | 2.4L 146 H4 |