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Mishimoto Racing Thermostat 154 Degree ( Part Number:MIS MMTS-WRX-01)

Mishimoto Racing Thermostat 154 Degree - Subaru Models (inc. 2002-2014 WRX / 2004+ STI)

MODEL # MIS MMTS-WRX-01
Manufacturer Part # MMTS-WRX-01

$48.00

MSRP: $60.00

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Description

The Mishimoto Racing 154-Degree Thermostat will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications. Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperature than standard thermostats, also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures.
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RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.

Specifications


Brand: Mishimoto
Gasket Included: Yes
Opening Point: 154°F

Mfgr. Warranty: Limited Lifetime Warranty
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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Verified Purchase

Thermostat
striker775 2 months ago
Installed on a '07 STI. I'm also using the Mishimoto aluminium radiator. I installed this in the winter and when cruising on highway, my temp was around 160 degrees F. I would only use this during the warm months and use oem during the winter because it's way under operating temp.

Comment
Verified Purchase

Dead at 11 months
Grim_Bunny 2 months ago
Purchased on 4-6-17. Installed that same week on my 05 STi. 11 months later I get error code P0128. Back to running the OEM thermo. This is the second Mishimoto product that has failed me so far. This will be the last my Subie will see.
Comment
Verified Purchase

2013 STi feedback
jomartes 4 months ago
As supposed, it's a great quality product and definitely gets the job done. Keep in mind that you will need to delete the Thermostat codes because when you are cruising (not pushing the engine), the temperature goes down a lot causing a CEL because the ECU detects a "dropping temp. problem".
Comment
Verified Purchase

Great product
bugeye 5 months ago
Drops temps like crazy on my bugeye
Comment
Verified Purchase

Solid Product
marfor 7 months ago
Not hard to install and everything runs cooler. I have an older engine and it started running hotter, figured the thermostat was going bad. Instead of getting an OEM part for almost the same price I tried this and it works great, glad I did.
Comment

  • Q: requirments?  bry831 5 months ago

    Answer

    does this thermostat require a tune on my 08 sti?


    • A: A lower degree thermostat means the thermostat will open sooner, but if used in a street car this can result in the vehicle never warming up properly or taking too long, causing it to run rough. In street applications a standard thermostat is recommended but depending on the setup of the vehicle and use this is beneficial. A tune would not be needed.


      Tyler G. 4 months ago
  • Q: 2003 Subaru Wrx JDM engine with avcs   Leo 9 months ago

    Answer

    I have vf34 turbo, pink injectors, fully exhaust, intake, and aluminum radiator , but I don't have tune at all ... would this thermostat would be okay for my car ? Until I get my tune ? Or I'm need tune after it ?


    • A: We can't confirm fitment for JDM vehicles. This thermostat is not recommended for street use.


      Luis L. 9 months ago
  • Q: Recommend?  gmacsu95831 10 months ago

    Answer

    I have a 2002 WRX with a few bolt ons and plan to build it to be pushing a decent amount of HP. I daily the car now and have a Front Mount Intercooler. Would this help or harm my engine if I install this now or should I wait until I build the engine to install it?


    • A: Keeping your engine at cooler temperatures is always something recommended. Honestly you could go either way as this will not harm the vehicle.


      Tyler A. 10 months ago
  • Q: Is this better than having no thermostat?   deom2i 2 years ago

    Answer

    I never use thermostat due to hot climate here (31-35c), but the car takes a long time to reach operation temperature in the morning (half way of temp gauge). Having this will help to raise the temperature and will it provide warmer engine temperature?


    • A: This will help the car reach operating temperature very quickly but will keep the car cool by having a lower opening temperature.


      Jared A. 2 years ago
  • Q: Mishimoto Thermostat  cdscavo93855 2 years ago

    Answer

    I will be pushing around 400whp, but I also daily the vehicle. Is this recommended or should I use an oem thermostat?


    • A: This thermostat would work perfect for your car.


      Jared A. 2 years ago
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