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water pump

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  • Cool/Heat: water pump

    Can someone tell me if Studebaker used different water pumps on 55 President V-8 engines? I purchased a rebuild kit for the pump, but when the machine shop disassembled my pump they found the bearing shaft in the kit was smaller in diameter by around a thousandth of an inch. I contacted the company where I bought the kit and they claim the kit was correct, and that my pump must have been rebuilt some time, and had a larger shaft installed. The # on the end of the shaft in the kit I purchased is 25341. The # on the end of the shaft on my pump is 885159. I tracked down another Stude water pump which has the same casting # on the case as my original [527070]. When I cleaned up the end of the shaft, guess what. The # is again, 885159, the same as on my original pump. It would seem strange that I would end up with 2 pumps which had both been rebuilt with the same size larger shafts, but I guess it is a possibility. Can someone shed some light on this? Thanks.

  • #2
    527070 is a very early very old original casting. The early 1951 pumps are supposed to be the only pumps that are different, but I have no idea what is different or if yours is one.

    There were H.D. Pumps for Avanti/Jet Thrust with different pulley hubs and the larger gusseted Bearing support tower, the Bearing is supposed to be the same but I do not know about the Shaft.

    But NO, '55's are no different. NEW Pumps are available at Studebaker Vendors.
    Second Generation Stude Driver,
    Proud '54 Starliner Owner


    • #3
      Chevy inline 6 bearings and shafts are the same as Stude v8's if one wanted to go to all the trouble of disassembling each, and you still don't have the impeller seal.
      Bez Auto Alchemy

      "Don't believe every internet quote" Abe Lincoln