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Thread: Useful part numbers of hard to find items

  1. #1
    Join Date
    Apr 2001
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    Newberg Oregon
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    Default Useful part numbers of hard to find items

    Here are the GM part numbers for some items that may be very useful.
    Some parts guys can't seem to find this stuff.

    The filter bypass is #25014006

    Cooler bypass is #25161285

    The plug for the Cooler bypass bore (goes on top and has the little hole) is #14066310
    Drive this plug down until it bottoms in the bore so that the filter adapter locating tab will not bottom on the plug

    The late squirt nozzles are a #12561141 (small ones)

    The little oil pump drive shaft plastic connector that goes at the
    pump and keeps the shaft in is a #477249

    Cylinder head dowel sleaves (GM calls them dowel pins) #12558081


    Rocker arm retainer buttons are a #23500076

    The metric bell housing bolts for late blocks uses a #15724226 bolt that has a metric stud top

    The new style crank dowel pin that goes in the flex plate end is a
    #10046031
    This is a roll pin type and drives into the crank.
    This is a needed item when using a Scat crank, as they dont come with anything.

    Oil pump drive/vacuum pump gasket
    Part #14022649
    The major parts houses do not service these
    List price is $1 and if you get a shop discount they are 75 cents each
    Ebay sellers offering them at $6 each

    Missy
    Last edited by Robyn; 07-24-2014 at 15:23.
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

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