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Napa u-joint #

Discussion in 'The Garage' started by BLZN4FN, Mar 16, 2007.

  1. BLZN4FN

    BLZN4FN 1/2 ton status

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    Yes I searched and I cant find the #:eek1:

    What is the part number for the rear u-joint to go from 10 bolt to 14 bolt?
    I need a spare and for the life of me find the part #.
     
  2. bluehen

    bluehen 1/2 ton status

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  3. kwissman

    kwissman 1/2 ton status

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    It can be either a 447 or 448 depending on if you have a 1310 or S3 joint on the 10B. Measure the cross and cap and compare to the joint at the store.
     
  4. big dan

    big dan 1/2 ton status Premium Member

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    most 10 bolts use an s44 joint which requires the #447.

    If you have a 12 bolt or someone swapped in a yoke and driveshaft for the 1310 you will need a #348.
     
  5. K-5 Bomber

    K-5 Bomber 1/2 ton status

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    Are you using your stock drive shaft? I took the heavier shaft from my donor truck and had to measure the caps to get the correct one.
     

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