Radiator options

Discussion in 'Mazdaspeed 6 General Discussion' started by jsilva, Oct 19, 2023.

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  1. jsilva

    jsilva Greenie Member

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    I’m trying to find a low-cost (but not totally sucky) replacement radiator for my Speed6. I have a leak which I think is along the metal/plastic lower seam so a temporary repair is elusive for me. I had considered using K-Seal since some people claim it doesn’t gum anything up but I feel apprehensive about it.

    I saw this an Amazon and they claim it fits the Speed6:



    There is also a CSF (3192) radiator on RockAuto that seems decent and is $81.

    Any advice would be appreciated.
     
  2. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    I would just get the rock auto one as I would have more confidence that it actually fits. I wouldn't expect a significant difference in quality from any of the stock replacement ones.

    Can you just jb weld the old one from the outside?
     
    Easter Bunny, via a mobile device, Oct 19, 2023
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  3. jsilva

    jsilva Greenie Member

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    Thanks!

    I have never repaired a radiator so I’m not sure what the best way to do it is. I’m sort of guessing the leak source because it’s really difficult to see it (even with a pressure tester).
     
  4. Easter Bunny

    Easter Bunny Professional Engineer Motorhead Platinum Member

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    For 80 bucks I wouldn't try to fix it. Not worth the effort
     
    Easter Bunny, via a mobile device, Oct 19, 2023
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  5. Awafrican

    Awafrican Moderator Silver Member

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    Rock auto also has koyo rads, they're a known brand. I agree with bunny I'd just go the rock auto route and call it a day. If anything broke also replay your thermostat at the same time
     
    Awafrican, via a mobile device, Oct 19, 2023
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  6. jsilva

    jsilva Greenie Member

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    Thanks. I’ll go that route.
     
  7. Cfoldone

    Cfoldone Gold Member

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    Likely you have ordered it already. My rock auto speed 6 radiator did fit as OEM. My issue was my fan shroud had different ears on bottom "slip into socket" so had to modify my shroud to fit new radiator sockets. AC condenser was fine, was just the shroud.
     
    Cfoldone, via a mobile device, Oct 23, 2023
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  8. jsilva

    jsilva Greenie Member

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    Thanks Cfoldone. I did order the CSF one and it should arrive tomorrow. My plan is to install on Thurs. Hopefully I won’t have to modify but we’ll see. Thanks for the tip.
     
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  9. jsilva

    jsilva Greenie Member

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    I finally installed the CSF 3192 radiator. It was basically a perfect fit. No issues, and I am quite pleased to not see pools of coolant underneath the car anymore.

    Performance seems very good. Though the air temperature has gotten quite a bit colder here.
     
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  10. TYCO

    TYCO Silver Member

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    I just joined and saw this thread. I'm looking into the KOYORADS, but I can't find a part number that lines up. Any suggestions or help for this?
     
    TYCO, via a mobile device, Oct 23, 2024
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  11. Awafrican

    Awafrican Moderator Silver Member

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    did you try google? because I see many results... including results on one of our form vendors webpages
    https://www.google.com/search?client=firefox-b-d&q=koyorad+mazdaspeed

    MS6
    https://damondmotorsports.com/produ...eX9Pf8HleB08vKbY8eYQDwQPLidLwEctmISbkro06bb1M
    gen1 MS3
    https://damondmotorsports.com/produ...turbo-mt-radiator?_pos=2&_sid=d247e2190&_ss=r
    gen2 MS3
    https://damondmotorsports.com/produ...-2-5l-i4-radiator?_pos=3&_sid=d247e2190&_ss=r
    even a dedicated thread with PNs listed
    https://mazdaspeeds.org/index.php?threads/koyo-radiator.8654/
     
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  12. TYCO

    TYCO Silver Member

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    I did. I found multiple websites that had KoyoRads. And several of them had matching part numbers but others had different ones. I reached out because I was working and got a call from the shop saying the previous owner "repaired" the current radiator and I was trying to find an answer on the fly. Thank you for responding with options.
     
    TYCO, via a mobile device, Oct 23, 2024
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  13. Enki

    Enki Moderator Motorhead Platinum Member

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    You didn't ask but I'm running a Koyorad and I do like it.
     
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  14. TYCO

    TYCO Silver Member

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    I actually bought a KoyoRad. It was more cost effective than the OEM.
     
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