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u-joint part# for 14 bolt to factory drive shaft

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by J.R., May 18, 2001.

  1. J.R.

    J.R. Guest

    i read some old post and got different part numbers, i just put my 14 bolt FF in and need the part number for the u-joint to use in my factory drive shaft. thanks for any help!!

    BIGBLOCK MAN
     
  2. Chris Demartini

    Chris Demartini 1/2 ton status

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    <font color=blue>Napa #447</font color=blue>

    [​IMG]
     
  3. J.R.

    J.R. Guest

    thanks, i will pick one up tomorrow!

    BIGBLOCK MAN
     
  4. smp

    smp 1/2 ton status

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    I tried the napa 447 and it didn't work on my driveshaft it was too wide if the 447 dosn't fit i will try to find my part # for ya


    <A target="_blank" HREF=http://WWW.SMP.COLORADOK5.COM>http://WWW.SMP.COLORADOK5.COM</A>
     
  5. BurbinOR

    BurbinOR 3/4 ton status

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    Well, I tried the NAPA 447, didn't work...............they gave me the 348 and it does fit. Not sure why but the 447 was same size both ends............if you get the 447, open the box and check.

    <font color=orange>'79 - 406 TPI -<font color=orange> K5#5 - <font color=blue>See it at---&gt;<A target="_blank" HREF=http://www.blazzinor.coloradok5.com>http://www.blazzinor.coloradok5.com</A>
     
  6. smp

    smp 1/2 ton status

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    I just check, mine is also the Napa 348


    <A target="_blank" HREF=http://WWW.SMP.COLORADOK5.COM>http://WWW.SMP.COLORADOK5.COM</A>
     
  7. J.R.

    J.R. Guest

    thanks, i will check them both when i get to the store, i hate buying a part taking it home and finding its the wrong one! so thanks for all the help!!


    BIGBLOCK MAN
     

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