Mishimoto Thermostatic Oil Cooler Kit - Silver — Fits 2015-2018 Subaru WRX STI

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SKU: MISMMOC-STI-15T
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Sale price$624.95 Regular price$687.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Thermostatic Oil Cooler Kit for 2015-2018 Subaru WRX STI

Optimize your 2015-2018 Subaru WRX STI's engine health and performance with the Mishimoto Thermostatic Oil Cooler Kit. This advanced kit ensures your engine oil operates within the ideal temperature range, preventing overheating during demanding conditions and improving efficiency during cooler periods. By regulating oil flow, it allows for quicker warm-ups and consistent protection against heat-related wear.

Advanced Cooling Features:

  • Precision Fitment: Engineered specifically for 2015, 2016, 2017, and 2018 Subaru WRX STI models for a seamless installation.
  • Integrated Thermostat: Features a built-in thermostat that manages oil flow, ensuring the engine reaches optimal operating temperature efficiently and preventing over-cooling.
  • High-Performance Cooler: Utilizes a large 19-row oil cooler mounted in the front bumper to maximize airflow and cooling capacity.
  • Proven Temperature Reduction: Consistently reduces oil temperatures by over 20 degrees Fahrenheit (16+ degrees Celsius) while maintaining optimal oil pressure.
  • Durable Components: Includes direct-fit mounting brackets and pre-assembled stainless steel lines with -10AN fittings for reliability.
  • Heat Shielding: Comes with thermal reflective wrap for the oil lines to protect against radiant heat from the exhaust system.

Invest in superior engine protection and performance for your 2015-2018 Subaru WRX STI. The Mishimoto Thermostatic Oil Cooler Kit offers unparalleled temperature control. Get yours from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2018-2021 Ford Mustang GT
2018-2021 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2021 Ford Mustang Mach 1
2015 Subaru WRX STI Launch Edition
2015-2018 Subaru WRX STI Base
2015-2018 Subaru WRX STI Limited

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Thermostatic Oil Cooler Kit for 2015-2018 Subaru WRX STI

Optimize your 2015-2018 Subaru WRX STI's engine health and performance with the Mishimoto Thermostatic Oil Cooler Kit. This advanced kit ensures your engine oil operates within the ideal temperature range, preventing overheating during demanding conditions and improving efficiency during cooler periods. By regulating oil flow, it allows for quicker warm-ups and consistent protection against heat-related wear.

Advanced Cooling Features:

  • Precision Fitment: Engineered specifically for 2015, 2016, 2017, and 2018 Subaru WRX STI models for a seamless installation.
  • Integrated Thermostat: Features a built-in thermostat that manages oil flow, ensuring the engine reaches optimal operating temperature efficiently and preventing over-cooling.
  • High-Performance Cooler: Utilizes a large 19-row oil cooler mounted in the front bumper to maximize airflow and cooling capacity.
  • Proven Temperature Reduction: Consistently reduces oil temperatures by over 20 degrees Fahrenheit (16+ degrees Celsius) while maintaining optimal oil pressure.
  • Durable Components: Includes direct-fit mounting brackets and pre-assembled stainless steel lines with -10AN fittings for reliability.
  • Heat Shielding: Comes with thermal reflective wrap for the oil lines to protect against radiant heat from the exhaust system.

Invest in superior engine protection and performance for your 2015-2018 Subaru WRX STI. The Mishimoto Thermostatic Oil Cooler Kit offers unparalleled temperature control. Get yours from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2018-2021 Ford Mustang GT
2018-2021 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2021 Ford Mustang Mach 1
2015 Subaru WRX STI Launch Edition
2015-2018 Subaru WRX STI Base
2015-2018 Subaru WRX STI Limited

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Thermostatic Oil Cooler Kit for 2015-2018 Subaru WRX STI

Optimize your 2015-2018 Subaru WRX STI's engine health and performance with the Mishimoto Thermostatic Oil Cooler Kit. This advanced kit ensures your engine oil operates within the ideal temperature range, preventing overheating during demanding conditions and improving efficiency during cooler periods. By regulating oil flow, it allows for quicker warm-ups and consistent protection against heat-related wear.

Advanced Cooling Features:

  • Precision Fitment: Engineered specifically for 2015, 2016, 2017, and 2018 Subaru WRX STI models for a seamless installation.
  • Integrated Thermostat: Features a built-in thermostat that manages oil flow, ensuring the engine reaches optimal operating temperature efficiently and preventing over-cooling.
  • High-Performance Cooler: Utilizes a large 19-row oil cooler mounted in the front bumper to maximize airflow and cooling capacity.
  • Proven Temperature Reduction: Consistently reduces oil temperatures by over 20 degrees Fahrenheit (16+ degrees Celsius) while maintaining optimal oil pressure.
  • Durable Components: Includes direct-fit mounting brackets and pre-assembled stainless steel lines with -10AN fittings for reliability.
  • Heat Shielding: Comes with thermal reflective wrap for the oil lines to protect against radiant heat from the exhaust system.

Invest in superior engine protection and performance for your 2015-2018 Subaru WRX STI. The Mishimoto Thermostatic Oil Cooler Kit offers unparalleled temperature control. Get yours from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
2018-2021 Ford Mustang GT
2018-2021 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2021 Ford Mustang Mach 1
2015 Subaru WRX STI Launch Edition
2015-2018 Subaru WRX STI Base
2015-2018 Subaru WRX STI Limited

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