Mishimoto
Mishimoto 15 Subaru WRX Performance Aluminum Radiator
SKU: M00C MMRAD-WRX-15
Description
Part #: MMRAD-WRX-15
The Mishimoto 2015-2021 Subaru WRX Performance Aluminum Radiator is designed and engineered to reduce coolant temperatures by +20 Degrees Fahrenheit (+11 Degrees Celsius ), maximize cooling efficiency by up to 15-percent, and most importantly to protect your car from overheating. It is the ideal upgrade to the stock Subaru radiator, whether you drive your vehicle daily or take it for track runs. The Mishimoto 2015+ Subaru WRX radiator features a lightweight dual core, 100-percent brazed aluminum, and polished end tanks, enhancing the overall performance of your engine. The engineers at Mishimoto designed this radiator with a 117-percent increase in coolant capacity, 42-percent increase in coolant surface area, and 34-percent increase in air surface area, making it an ideal upgrade to keep your new FA20-DIT running cool! Every Mishimoto aluminum radiator is a direct stock fit making installation effortless with no cutting or modification required. All Mishimoto radiators come with a Mishimoto 1.3 Bar High-Pressure Radiator Cap and the Mishimoto Lifetime Warranty, including accident protection.
Features:
- Direct fit for 2015-2021 Subaru WRX
- Reduces coolant temperatures by 20+ F (11+ C)
- 117% increase in coolant capacity
- 42% increase in coolant surface area (tubes)
- 34% increase in air surface area (fins)
- 15% more efficient than stock
- 100% brazed aluminum core
- TIG-welded to perfection
- Included High-Pressure 1.3 Bar Radiator Cap raises the boiling point of engine coolant to provide a safer and more efficient system
- Includes Magnetic Drain Plug
- Mishimoto Lifetime Warranty
Aluminum radiator engineered for efficient heat dissipation and optimal engine cooling. Precision-fit design ensures easy installation, corrosion resistance, and reliable performance across varied driving conditions.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Mishimoto |
| Part Number | M00C MMRAD-WRX-15 |
Videos
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy