Review posted
Reviewed by Justin T.
Verified Buyer
Thermostat
Replaced on my STI while upgrading radiator, works perfect no leaks!
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Upgrade your Subaru WRX or STI with this genuine OEM Thermostat. Crafted by Subaru, this high-quality product is specifically designed for 2002-2014 WRX and 2004-2020 STI models. Keep your engine running at optimal temperature with the Subaru USDM Thermostat. Gasket not included.
Subaru USDM WRX / STi Thermostat
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Replaced on my STI while upgrading radiator, works perfect no leaks!
Replaced oem thermostat perfectly
Had to do a coolant flush so figured I’d change the thermostat also. Perfect oem quality. Had to purchase the gasket separately.
Perfect replacement while I was replacing my motor while it was already out. I will always buy from IIR. Super fast shipping as well
The thermostat worked great!!
When buying this just be aware it does not come with the rubber seal, you will need to either order one or reuse the old one.
I purchased a new thermostat as a “might as well” since I upgraded to the koyo radiator. Didn’t want it to go bad in the near future and waste new coolant. Do yourself a favor and knock it out while you’re there.
Great!
not much to say besides you know youre getting a real genuine oem thermostat when you buy from iir!