KE7 piston rings

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  • September 22, 2022 at 7:07 am #266445
    chuckw
    Participant

      US Member - 2 Years

      What is the correct part number for these piston rings for KE7? I have seen several different numbers on Marine Engine.

      September 22, 2022 at 3:18 pm #266479
      Jorzo211
      Participant

        US Member

        39 20058

        MARK-7, KF-7, KE4-A, MARK 15, WN7A, (60)MERC 200

        September 22, 2022 at 3:19 pm #266480
        Jorzo211
        Participant

          US Member
          chuckw wrote:

          What is the correct part number for these piston rings for KE7? I have seen several different numbers on Marine Engine.

          39 20058

          MARK-7, KF-7, KE4-A, MARK 15, WN7A, (60)MERC 200

          September 22, 2022 at 6:09 pm #266485
          green-thumbs
          Participant

            US Member - 2 Years

            Original part identification system M- 10- 2003

            New part number system adopted in early 1950s and non current models had parts renumbered to conform to the new standard.

            39- 20058  standard size

            39 –  20992  0.015 oversize

            Same rings fit KE7, KF7 and KG7

            KG4 has different bore so different pistons and rings

            Pars Manual has a lot of informating about what parts

            different models share and changes in parts within a production run.

            Louis

             

             

            September 22, 2022 at 7:40 pm #266496
            chuckw
            Participant

              US Member - 2 Years

              Thanks for the info.

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