Mishimoto X line Radiator 2002-2007 WRX/STI

  • The Mishimoto X-Line performance aluminum radiator for the Subaru WRX and STI is designed with a larger 3 row core to maximize cooling efficiency, boost engine functions, and protect your car from overheating. It is the ideal upgrade from the stock Subaru radiator whether you drive your vehicle daily or take it for track runs. The Mishimoto X-Line aluminum 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. Check out the Subaru WRX and STI Hose Kit for even more cooling efficiency.

    Note: This radiator is intended for manual transmission vehicles only. If you have an automatic transmission, you MUST use an auxiliary trans cooler to use this radiator.  

  • 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


  • SKU#: 07858

    Shipping Weight: 30.0 lb

    Manufacturer: Mishimoto

    Category: Cooling System