Help Find a 2003 W900 Radiator

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Adamali21, Mar 25, 2025.

  1. Adamali21

    Adamali21 Light Load Member

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    Jul 24, 2018
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    Hello Everyone
    I have a 2003 w900

    I am looking for this style radiator here is the part numbers provided by the kenworth dealer
    3s52633mmc
    3s9853mmc

    Dealer is telling me that this radiator is discontinued and there is no aftermarket part for this radiator. This style is set up weird where you have the Air to Air sits on top and the radiator on the bottom. Help me please.
     

    Attached Files:

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  3. JB7

    JB7 Medium Load Member

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    The first number you list is available. It is the image you posted. 3S52633MMC KIT-SERVICE ALUM RAD REPL/W900L
    Is it the second # that you also need but can't find? I would have the dealer double check the #.
     
    Rideandrepair Thanks this.
  4. Iamoverit

    Iamoverit Road Train Member

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    You're better off having your existing radiator recored/repaired at good radiator shop instead of replacing it. Joe's in Hubbard OH is one of the best I know of.
     
  5. Adamali21

    Adamali21 Light Load Member

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    Yeah I don’t know anything about that website that’s why I haven’t ordered from them yet I don’t know if they are legit or not I called them and emailed them and haven’t received a response
     
  6. ducnut

    ducnut Road Train Member

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    JB7 Thanks this.
  7. Rideandrepair

    Rideandrepair Road Train Member

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    Try American Radiator @www.. coolingsolutions.com
     
  8. Adamali21

    Adamali21 Light Load Member

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  9. Adamali21

    Adamali21 Light Load Member

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    Oxbow and JB7 Thank this.
  10. LongHaulTrailer

    LongHaulTrailer Bobtail Member

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    Saraland, Alabama
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    1-800 Radiator is who the Peterbilt dealer I work at uses for non-Paccar brand radiators. I haven't had any issues with the fitment of them versus OEM but can't speak to their longevity.
     
    Oxbow and JB7 Thank this.
  11. Rideandrepair

    Rideandrepair Road Train Member

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    Why can’t you upgrade to a standard style W9 rad and cac? Next time you need a radiator, it’s a standard replacement.
     
    JB7 Thanks this.
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