Air fitting size for air bag

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mile marker 27, Sep 2, 2020.

  1. mile marker 27

    mile marker 27 Light Load Member

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    4E1D1555-900B-49DF-A2B4-3FE85F3C78E8.png What size of threaded fitting fits this air bag?
     
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  3. AModelCat

    AModelCat Road Train Member

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    Without anything for reference in terms of size all I can do is speculate.

    My best guess is 3/8" or 1/2" NPT.
     
  4. bigguns

    bigguns Road Train Member

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    Take that bag back and go buy yourself a real one.
     
  5. JonJon78

    JonJon78 Road Train Member

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    You don't like TRP?
     
  6. mile marker 27

    mile marker 27 Light Load Member

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    I got it from a family member who works at Pete, so that prolly why.
     
  7. mile marker 27

    mile marker 27 Light Load Member

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    B0CDFF5A-E8BC-4923-BFE8-3CCC54904441.png By chance do you guys got a part number for the steel bracket that’s on top of the bag?
     
  8. Ridgeline

    Ridgeline Road Train Member

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    Most likely 1/2 npt but I have seen a few with a 3/8 npt, it looks like a 1/2”
     
  9. bigguns

    bigguns Road Train Member

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    TRP = Temporary Replacement Parts
     
  10. JonJon78

    JonJon78 Road Train Member

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    Peterbilt dealerships sell a lot of TRP products so I just always assumed they were a good brand.
     
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  11. spsauerland

    spsauerland Road Train Member

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    TRP air bags are Conti-tech, quality product. Some TRP products are good, some are not so good. TRP brakes are know Meritor.
     
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