Subaru WRX STI Radiators and Coolers
This page covers radiators and coolers for the Subaru WRX STI across model years 2013–2021, including radiators, intercoolers, oil coolers, and related components. Select your year above and we'll show only the radiators and coolers that fit your Subaru WRX STI. Fitment is checked against our vehicle data for every part listed.
Hayden Automotive 677 Rapid-Cool Plate and Fin Transmission Oil Cooler Kit
Hayden Automotive 678 Rapid-Cool Transmission Oil Cooler 11" x 9.5" x 0.75"
Koyo VH091662 Hyper V-Core All-Aluminum Racing Radiator with Filler Neck
Hayden Automotive 401 Ultra-Cool Tube and Fin Transmission Oil Cooler
Hayden Automotive 293 Universal Metal Oil Cooler Line Kit with 3/8" Tubes and 1/2" NPT Fittings
Four Seasons 53005 Rapid-Cool Plate and Fin Transmission Oil Cooler
Hayden Automotive 210 Quik-Mount Nylon Mounting Kit for Transmission Coolers and Electric Fans
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What's here for your Subaru WRX STI
- Automatic transmission oil coolers
- Engine oil coolers
- Radiators, including OE replacement and performance styles
- Intercoolers and intercooler kits
- Radiator mount brackets
- Radiator caps and engine coolant reservoirs
The widest selection here comes from Mishimoto, Hayden Automotive, Four Seasons, and TurboXS, covering everything from direct-fit OE replacements to front-mount intercooler kits finished in black. Other categories Subaru WRX STI owners shop for: Subaru WRX STI Springs and Suspension Parts, Subaru WRX STI Shocks and Struts and Subaru WRX STI Manual Transmission Parts, or browse all Subaru WRX STI parts and accessories.