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Mishimoto Mishimoto 14-15 Subaru WRX / Forester 68 Degree Celcius Racing Thermostat
Mishimoto Mishimoto 14-15 Subaru WRX / Forester 68 Degree Celcius Racing Thermostat
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Mishimoto 14-15 Subaru WRX / Forester 68 Degree Celcius Racing Thermostat

Mishimoto
MISMMTS-WRX-15
748354019889
Thermostats
20+ Units In Stock - Ships Next Business Day
$ 76.00 $ 68.95
$ 68.95

SKU: MMTS-WRX-15 | UPC: 748354019889

Mishimoto 14-15 Subaru WRX / Forester 68 Degree Celsius Racing Thermostat

Engineered for 2015+ Subaru WRX and 2014-2018 Forester XT with FA20DIT turbo engines, this Mishimoto racing thermostat delivers improved cooling by opening at 68&deg.C versus the stock 82-88&deg.C range. Coolant circulates through the radiator sooner to drop and hold lower engine temperatures during street or track runs in stock or modified setups. Direct OEM replacement installs without hassle and carries the Mishimoto Lifetime Warranty.

Key Features

  • 68&deg.C Opening Temperature: Triggers coolant flow 14-20&deg.C earlier than OEM for immediate temperature reduction and sustained cooling under load
  • FA20DIT-Specific Design: Matches factory specs for 2015+ WRX and 2014-18 Forester XT ensuring seamless integration and reliable operation
  • Direct OEM Replacement: Bolts in place of stock unit using existing hardware, gasket, and housing with no modifications required
  • Performance Cooling Gains: Proven to lower peak engine temps by up to 20&deg.F ideal for turbocharged applications pushed hard
  • Lifetime Warranty: Covered against defects in materials and workmanship for peace of mind on every drive

Product Notes

  • Pair with high-quality coolant and proper system flush for peak performance
  • Bleed air from cooling system after installation to avoid hot spots
  • Packaged in protective Mishimoto box with product weight of 0.3 lb

Installation Notes

  • Professional installation recommended.
  • Drain radiator and block before removing stock thermostat
  • Torque to OEM specs using factory gasket or equivalent. compatible with stock housing

This Part Fits

Year Make Model Submodel
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2015-2021 Subaru WRX Base
2015-2021 Subaru WRX Limited
2015-2021 Subaru WRX Premium
2022 Subaru WRX GT

Why Choose Mishimoto?

  • Performance parts trusted by racers and daily drivers worldwide
  • Direct-fit engineering tested on real vehicles for guaranteed results
  • Lifetime warranty reflects confidence in every component

Frequently Asked Questions

  • Q: Will this fit my 2016 Subaru WRX Premium?
    A: Yes, designed specifically for 2015-2021 Subaru WRX models including Premium trims with FA20DIT engine
  • Q: What material is the thermostat made from?
    A: Precision wax pellet mechanism in corrosion-resistant brass housing for durability and heat resistance
  • Q: How difficult is installation and what warranty applies?
    A: Basic 30-minute DIY swap with common tools. backed by Mishimoto Lifetime Warranty against defects

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Mishimoto retail box, dimensions 2.5 x 3.4 x 1.9 inches
  • Weight: 0.3 lb product weight, 0.65 lb shipping weight
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