Subaru WRX/STI Performance Aluminum Radiator, 2008-2019
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Mishimoto offers Liquid Chill® Synthetic Engine Coolant in both Full Strength and 50/50 Premixed.
Your vehicle requires 2 gallons of Full Strength Liquid Chill® Synthetic Engine Coolant or 3 gallons of 50/50 Premixed Liquid Chill® Synthetic Engine Coolant.
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The Mishimoto performance aluminum radiator for the WRX and STI is designed and engineered to maximize cooling efficiency by up to 30%, boost engine functions, and most importantly 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 WRX radiator features a lightweight dual core, 100% brazed aluminum, and polished end tanks, enhancing the overall performance of your engine. Every Mishimoto aluminum radiator is a direct fit, making installation effortless with no cutting or modification required. This radiator comes with a Mishimoto 1.3 Bar High-Pressure Radiator Cap and, like all our aluminum radiators, comes with the Mishimoto Lifetime Warranty.
Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.
For our complete warranty policy, please click here.
This item is for Manual Transmission vehicles. For automatic applications, please purchase optional Mishimoto Universal Transmission Cooler Kit.CautionThe provided Mishimoto radiator cap should replace the stock cap located on the expansion tank. The stock cap attached to the radiator should be installed on the Mishimoto Performance Aluminum Radiator. The Mishimoto radiator cap is a two-way valve, while the stock radiator cap is a single valve. Due to the difference in construction, the Mishimoto cap cannot be used on the radiator. If the Mishimoto cap is fit on the radiator, overheating may occur.It is the installer's responsibility to check all thermostat plugs, NPT plugs, line fittings, and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation. For additional technical information, contact email@example.com.
2008-2014 Subaru WRX2008-2019 Subaru WRX STI
Drain Plug Length
Drain Plug Thread Size
(M12) x 1.5
Tank Wall Thickness
Mishimoto Radiator Mishimoto Radiator CapOverflow Nipples - 2Magnetic Drain PlugMishimoto Lifetime Warranty
13.39" x 27.08"
March 2016 Issue
June 2016 Issue
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