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U joints

Discussion in '6.9L IH & 7.3L IDI Diesels' started by Christopher Cline, Jan 24, 2020.

  1. Christopher Cline

    Christopher Cline Full Access Member

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    I have a 1992 F350 CCLB and am having trouble finding the correct u joints for the rear and front drivelines. Anyone have those part numbers by chance?
     
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  2. Trevtron

    Trevtron Supporting Member Supporting Member

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    1D547ADE-28E7-48F2-9008-9ACCA700ACF5.jpeg
     
  3. dgr

    dgr Full Access Member

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  4. Hagan

    Hagan Full Access Member

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    The front at the tcase should use a double cardan joint. If your rebuilding your driveshaft are you going to replace the center ball?

    Personally I use digital calipers and measure my u-joints. Then I look them up and buy them online. I only buy Spicer but it's personal preference.
     
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  5. Trevtron

    Trevtron Supporting Member Supporting Member

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    FWIW the u-joints from my pic are all SKF, you’ll need to pay attention to the notes below the part to verify fitment for your rig.

    The notes distinguish differences for the parts between transmission types and any other variables.
     
  6. Black dawg

    Black dawg Registered User

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    you are wasting your time if you put those napa joints in your truck.

    Rears are spicer 51350x
    fronts are 51330x in the cv and a big cap 1330x at the front pinion. Don't remember that part# but I will look it up today.

    the joint at the front pinion....if it has 2 caps bigger than the others, is 5-7438x.

    These are all the "life series" non greasables, just like the OE joints.
     
    Last edited: Jan 26, 2020
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  7. IDIBRONCO

    IDIBRONCO IDIBRONCO

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    From my personal experience, it's usually easier to take a U-joint out and take it into the store with you. There's what an application chart says, and then there's what's actually in your truck. If you're going to order online, measure them as Hagan suggested.
     
  8. chris142

    chris142 Full Access Member

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    Me too. But i was in a pinch and put precision ones in last time. So far they have 60000 miles on them with no problems.
     
  9. Hagan

    Hagan Full Access Member

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    You can't complain with that!
     
  10. Christopher Cline

    Christopher Cline Full Access Member

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    Exactly what I was looking for thank you
     
  11. hesutton

    hesutton The Anti-Anderson Supporting Member

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    Couldn't have said it better myself. Measure the size of the caps and buy accordingly. Spicer only here too. Not had good life out of chain store joints.

    Heath
     
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  12. WarNose

    WarNose Full Access Member

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    Does anyone have the Spicer part # for the center ball on the front driveshaft? Is it 10018440?
     
  13. u2slow

    u2slow bilge rat

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    Yes - same as Moog 617. Been used in Spicer double-cardans for decades.
     
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