Mishimoto X-Line Aluminum Radiator Subaru WRX 2008-2014 / STI 2008-2017

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Mishimoto 08+ Subaru WRX/STi X-LINE (Thicker Core) Aluminum Radiator


The Mishimoto X Line performance aluminum radiator for the 08+ Subaru WRX and STI is designed with a larger 3 row core to maximize cooling efficiency, 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 aluminum WRX and STI radiator features a lightweight triple core, 100% brazed aluminum, and polished end tanks, enhancing the overall performance of your engine. Every Mishimoto aluminum radiator is a direct OEM fit making installation effortless with no cutting or modification required. All Mishimoto radiators come with a high pressure 1.3 bar Mishimoto radiator cap and a great warranty including accident protection.


Premium radiator has 3-row core for improved strength and reliability.

16% thinner-than-stock tubes allow for more surface contact, increasing cooling efficiency.

Greater density of rows for higher cooling capacity.

More contact points for additional heat transfer.

3-row design creates more air turbulence, maximizing cooling efficiency.

Includes magnetic drain plug

Includes a high-pressure 1.3 bar Mishimoto radiator cap

Lifetime warranty


Vendor: Mishimoto

Additional information

Carb Compliance Yes
Prop 65 Unknown
EPA Approved N/A
Weight 17.10 lbs
Dimensions 30.80 × 23.20 × 6.90 in