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Here is a Shark nv352 vacuum cleaner motor with a broken gasket:

broken gasket

A closeup:

closeup of gasket

It seems to be 3 3/4" in diameter. I'm not sure of the material. It is not currently pliable.

The motor works perfectly well, but the vacuum cleaner started making a huge whining noise. I think this gasket probably dampens vibration?

Anyway, is it possible to buy a replacement gasket? Is it standard? What is it made of?

It seems to be somewhat stuck on. I imagine I can pry the rest of it off with a screwdriver, but I don't know if I can get a replacement.

I can get a replacement motor on ebay. Do I have to? The motor itself works perfectly well.

EDIT: Is this a gasket, or an o-ring, or something else? It seems to have some depth and shape to it, and I'm noticing youtube videos about cork gaskets seem to indicate they are flat.

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    The material looks like cork. Not sure where to buy one, but auto parts store should have cork sheets to make one.
    – crip659
    Nov 26, 2022 at 18:59
  • Oh, thanks. How does someone make one? .. Oh, I'll look on youtube.
    – dfrankow
    Nov 26, 2022 at 19:02
  • Do you think it's a standard size? I measured 3 3/4", which seems odd. (I'm wondering if I can buy a pre-made one.)
    – dfrankow
    Nov 26, 2022 at 19:05
  • Also, should I prefer cork, or cork-rubber?
    – dfrankow
    Nov 26, 2022 at 19:10
  • It is not made from cork, it is custom made to fit the grove
    – asinine
    Nov 26, 2022 at 19:11

1 Answer 1

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After scraping the old gasket away with a razor, I ended up using 100% silicone 2 to form a new gasket by depositing the silicone in a layer where the old gasket was. It did not have to be precise, just absorb vibration.

I also put the silicone on two other plastic pieces that looked to be holding foam wedges to dampen vibration. One of those pieces was missing.

silicone

Thanks to the comments who suggested I make a new one.

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