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This is a discussion on Radiator within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Any recommendations for a good quality Radiator replacement for a 2003 Subaru WRX? I purchased a cheap replacement from O'Reilly's ...

  1. #1
    Registered User
    Join Date
    Aug 2005


    Any recommendations for a good quality Radiator replacement for a 2003 Subaru WRX? I purchased a cheap replacement from O'Reilly's and it lasted less than a year.

    Also, any recommendations regarding hoses?

    Thanks guys!


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  3. #2
    Super Moderator (Actually a SuperSpy) SD_GR's Avatar
    Join Date
    Jul 2002
    CA, US
    I Support ClubWRX


    Authentic hoses with Koyo OEM, or Koyo Al race, or other Al race style rad. If the Al rad is chosen and your car is automatic you will need a transmission fluid cooler. 5 SPD cars don't. OWM Koyo rads work with either transmission.

    Contact several site vendors and have them make offers vs one another.
    The world breaks everyone and afterward many are strong in the broken places. But those that will not break it kills. It kills the very good and the very gentle and the very brave impartially. If you are none of these you can be sure it will kill you too but there will be no special hurry. Ernest Hemingway, A Farewell to Arms, 1929
    WRX Info Links, Courtesy TheJ
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

  4. #3
    Registered User UEDan's Avatar
    Join Date
    Oct 2011
    Santa Ana, CA

    Re: Radiator

    I was luck to find an OE Koyorad on Craigslist for WAY cheap... maybe....

    If it weren't for that I'd had gone with a cheap CX Racing Al radiator(eBay), read good stuff on it. Make sure to replace the hoses and clean the hose mating surfaces while you're at it.

    Posted from a fone.

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  6. #4
    Moderator Donkey's Avatar
    Join Date
    Apr 2005
    Da boonies,Va
    I Support ClubWRX


    Mishimoto or Gimmick Motorsports all aluminum radiator.

    Sent from my magic banana
    Resident Adviser @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S

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