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Where to find nylon washers for Evinrude Sportwin...

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  • Where to find nylon washers for Evinrude Sportwin...

    I am changing the lower unit gear oil in my 1964 Evinrude Sportwin 9.5 hp. Last year I couldn't find any nylon washers to replace the ones sealing the lower and upper screws in the lower unit, so I just put the old ones back in. They are pretty scratched up, and I'm worried they might leak. I couldn't find any that would work at the hardware store, so can anyone tell me where to find them? Can I just use an o-ring?

  • #2
    Re: Where to find nylon washers for Evinrude Sportwin...

    You can find them right here on iboats, or order them from your local uap napa store. Just a few bucks for a pack of 5.
    many men fish for years without ever knowing its not about catching one.

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    • #3
      Re: Where to find nylon washers for Evinrude Sportwin...

      Part number 18-4248-9, here at iboats, for the nylon flat washers package. But some plugs use an o-ring instead. So, we don't know which one you have in your motor because they are interchangeable (plug & washer or o-ring combo).

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      • #4
        Re: Where to find nylon washers for Evinrude Sportwin...

        At one time someone suggested the little bins at Home Depot had compatible ones, but I haven't verified that.
        Baba-buoy.

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        • #5
          Re: Where to find nylon washers for Evinrude Sportwin...

          I've had luck at finding them at lowes Home Depot and other mom and pop shops but they never held up like oem. They got me through a season but I wouldn't chance it farther then that. Mine failed at the 400 hour mark which isn't much boating for me. The cost is about the same but my boats cannot sit its how I make money so they got me out of a jam until the parts came in. If you can wait 3 days I'd just go ahead and order the correct seals.
          88 Johnson 150 vro
          2x 89 Johnson 150 vro
          Love these engines? Yes I do.

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          • #6
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            Re: Where to find nylon washers for Evinrude Sportwin...

            The oem part # is 311598. Can get it at any BRP Dlr.

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