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Need a u-joint part# HELP I'M DESPERATE..

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 4GUNZ4X4Z, Mar 16, 2002.

  1. 4GUNZ4X4Z

    4GUNZ4X4Z 1/2 ton status

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    Need a u-joint part# HELP I\'M DESPERATE..

    I just slapped on the 14bolt 2day and will finish with the 60 2morrow. I'm going to stick with my 1/2 ton driveshafts until I slap in a doubler. So now my problem is I cant find a u-joint to accommodate the 1ton yokes with the 1/2ton driveshafts. Does anybody know the part# from a O'riellys, Autozone, or a Napa for the u-joint I'm looking for? Anybody please help the autoparts store's around here are driving me nuts.
     
  2. Scooter

    Scooter 1/2 ton status

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    Re: Need a u-joint part# HELP I\'M DESPERATE..

    IIRC it could be one of 2 different joints .. either a 447 or a 348
     
  3. liv'n-large

    liv'n-large Registered Member

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    Re: Need a u-joint part# HELP I\'M DESPERATE..

    I think its Napa ujoint part #331.
    I hope i'm of some help to you.
     
  4. Stoopalini

    Stoopalini 1/2 ton status

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    Re: Need a u-joint part# HELP I\'M DESPERATE..

    I used the Napa 447 part on mine, and it's perfect. If your 14 B is like mine, then it'll work.

    Thomas.
     
  5. 4GUNZ4X4Z

    4GUNZ4X4Z 1/2 ton status

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    Re: Need a u-joint part# HELP I\'M DESPERATE..

    Ok I've got 2 new 447's and they were about a 16th of an inch to small on the diameter of the cap on the yoke side, perfect width though. I'll try the 348 and the 331 2morrow and see what happens.
     
  6. GMCLegacy

    GMCLegacy 1/2 ton status

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    Re: Need a u-joint part# HELP I\'M DESPERATE..

    348 is for external clips, and the 447 is for internel C clips.
    depending on your rear driveshaft.
     
  7. 4GUNZ4X4Z

    4GUNZ4X4Z 1/2 ton status

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    Re: Need a u-joint part# HELP I\'M DESPERATE..

    Ok the 348 worked out great thanks Scooter and everyone else that replied.
     

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