Substitute for OMC Shift O-ring #301877, Sierra 18-7100

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  • September 30, 2024 at 11:13 am #291218
    Sputter
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      US Member

      If I drive 183 miles from Portland to Seattle, I could buy these o-rings for $0.40 each at Fisheries Supply on North Lake Way. The prices I see online can be $10-$30 when you include shipping –for an O-Ring!

      I’ve looked at standard o-ring charts and can’t find anything close.
      The dimensions are listed as ID = 0.245″, cross section = 0.155″

      Has anyone found a substitute?

      1956 Johnson 15 Hp, FD-10
      1958 Johnson 5.5 Hp, CD-15

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