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  1. #1
    New Member
    Join Date
    Feb 2013
    Posts
    4
    Location
    rutherfordton,nc
    Tractor
    satoh s370d

    Default S370D water pump rebuild

    Just wondering if anyone has rebuilt one of these pumps before, or could get me part numbers for the bearing and seal. I've already removed the bearing and seal with no problem with a small press, but cannot find a part number on the bearing anywhere. I just got the tractor from my uncle, he said it has been sitting for about 4-5 years. I want to spend little as possiable to get to use it a little to find out what all else needs fixing, if I knew that everything else was good to go, I would just go ahead and spend the $100 on a new one. Any help would be greatly appreciated. Thanks

  2. #2
    Gold Member
    Join Date
    Aug 2009
    Posts
    473
    Location
    Dallas Oregon
    Tractor
    Mitsubishi MT372, Ford NAA

    Default Re: S370D water pump rebuild

    I got a pump for my MT372 from these guys http://www.atrebuilders.com/...it was just under 90 bucks, perhaps they will sell you just the bearing and seal.

    A local bearing supplier might be able to match it based on measurement etc...

    Good luck

  3. #3
    Bronze Member caferacermike's Avatar
    Join Date
    Dec 2012
    Posts
    62
    Location
    Austin TX
    Tractor
    Satoh Beaver S370, Ducati Paul Smart Sport Classic 1000DS, Ducati S4RS Tricolore Monster, Norton Commando

    Default Re: S370D water pump rebuild

    Bearing supplier.


    I don't know how many times I've just walked in and dumped parts on a counter and 15 minutes later leave with exactly what I needed.

  4. #4
    New Member
    Join Date
    Feb 2013
    Posts
    4
    Location
    rutherfordton,nc
    Tractor
    satoh s370d

    Default Re: S370D water pump rebuild

    Thanks skylarkguy called a&t at the link you posted and said they had em, hopefully the right one, and said would ship that afternoon. Tried my local bearing supplier, said that the part # that I had matched up dimentions with was the right one but it was unavailable. Also tried my local Carquest they are way better about trying to match stuff up than our Napa, or Autozone. They'll tell you if it ain't in their computer it cant be done. After talking to the guy at carquest he said he had that issue a while back with unavailable parts and had to be a wholesaler or rebuild manufacturer to get the bearing and seals on some. With all the run around I would've probably saved money by just getting a new pump for a $100 lol.

  5. #5
    New Member
    Join Date
    Feb 2013
    Posts
    4
    Location
    rutherfordton,nc
    Tractor
    satoh s370d

    Default Re: S370D water pump rebuild

    original bearing number-koyo S16140R-5, bearing that A&T sent was kinex k578, had to use smaller keeper wire due to goove in center of beaing not as deep as original, seal number that A&T sent was 338916 (unable to read original number) spent 60 after shipping, more than what I was hoping to but thats 40 that I can spend on something else. Rebuild was easy, if you got access to a press, about 30 min, and a little experience using one, you shouldn't have any problem if you want to save a few bucks. Thanks again skylarkguy for the link to A&T.

  6. #6
    Gold Member
    Join Date
    Aug 2009
    Posts
    473
    Location
    Dallas Oregon
    Tractor
    Mitsubishi MT372, Ford NAA

    Default Re: S370D water pump rebuild

    Glad it worked out...someday I'll get myself a press..

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