Mishimoto
Mishimoto 02-05 Subaru WRX/STi Thermostatic Oil Cooler Kit
Mishimoto 02-05 Subaru WRX/STi Thermostatic Oil Cooler Kit
Regular price
$534.95 USD
Regular price
$588.00 USD
Sale price
$534.95 USD
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Subaru WRX/STi ThermostaticFitment notes & questions
02-05 Subaru WRX/STi Thermostatic Oil Cooler Kit by Mishimoto for 2002–2005 Subaru WRX. Hoses, the thermostat and the cap age together, so they are often replaced as a group.
Quick facts
- Brand: Mishimoto
- Part type: Cooling part
- Listed for: 2002–2005 Subaru WRX
Listed fitment
- 2019-2020 Ford Mustang Bullitt
- 2018-2021 Ford Mustang GT
- 2018-2021 Ford Mustang GT Premium
- 2021 Ford Mustang Mach 1
- 2002-2005 Subaru Impreza WRX
- 2004-2005 Subaru Impreza WRX STI
Tip: Flush and refill with the coolant type your engine needs, then bleed the air out.

About this cooling part for the Subaru WRX/STi Thermostatic
Hoses, the thermostat and the cap age together, so they are often replaced as a group.
Fitment notes
- Listed for: Subaru WRX/STi Thermostatic.
- Model years: 02-05. If your year sits at the edge of the range, check the details above.
- Specs, lead time and warranty come from Mishimoto and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Coolant. Use the correct type.
- Thermostat. Cheap while the system is drained.
More for your car: Thermostats · Subaru Parts · All Radiators · Cooling & heating
Questions about Subaru WRX/STi Thermostatic cooling part
Will this fit my Subaru WRX/STi Thermostatic?
It is listed for the Subaru WRX/STi Thermostatic. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
What coolant should I use?
Use the type your vehicle manufacturer specifies; do not mix types.
Where do specs and warranty details come from?
From Mishimoto. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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