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Old 04-28-2021, 09:30 AM   #1
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Port hole id

Hi everyone,
Looking to ID the manufacturer of this porthole on my 1978 Universal trawler. Looking to replace gaskets
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Old 04-28-2021, 02:24 PM   #2
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They were probably sourced locally in Taiwan or China. They look like the ones we had on our 1987 KK42. Are you looking for parts?
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Old 04-29-2021, 05:31 AM   #3
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Gaskets are OTS items ,they should be square rubber , hollow inside, made for opening ports..

Do NOT stretch the rubber while installing it in a clean track , as over time it will shrink back to its stock length leaving a gap.
Install with the gap on top.


For a quick fix sometimes the right width of shaft packing will work, but do not over tighten or the glass can crack.
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Old 04-29-2021, 09:21 AM   #4
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Our 1979 Taiwan ports look exactly like yours-except cleaner. We bought stock solid strips from somewhere in Seattle (17 yrs ago). I can't remember whether it was our present boat or the previous one where they cut it out of a rubber mat for us. It was at an industrial gasket company.

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Old 04-29-2021, 09:24 AM   #5
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Check Gardico in Seattle.

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Old 04-29-2021, 09:30 AM   #6
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Quote:
Originally Posted by Clamdigger358 View Post
Hi everyone,
Looking to ID the manufacturer of this porthole on my 1978 Universal trawler. Looking to replace gaskets
Are you going to replace the glass too? It looks like laminated safety glass that has separated around the edges. If you do that job, please post your procedure.
I have not done this myself, but have heard that using wet suit material (easily obtained at a dive shop) can replicate the gaskets.
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Old 04-29-2021, 12:07 PM   #7
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The portholes on my 1978 Albin portholes look very similar to yours. I used Trim Lok rubber seals that seem to be working well.


https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 04-29-2021, 04:13 PM   #8
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Hollow gasket material which is more pliable:

https://store.sandiegomarine.com/pro...ber-15026.html

Solid gasket material you should be able source locally.
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Old 04-30-2021, 07:30 AM   #9
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https://www.trimlok.com/rubber-extrusion/epdm-seal

Stock Extruded Rubber Seals, Automotive Hose, Springs, Gaskets & Trim | Clean Seal, Inc. is #1

https://tacomarine.com/trim-and-molding


Try these sites. I'm sure there are others.
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Old 09-08-2022, 04:46 PM   #10
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Quote:
Originally Posted by Larry M View Post
They were probably sourced locally in Taiwan or China. They look like the ones we had on our 1987 KK42. Are you looking for parts?
Gaskets
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Old 09-08-2022, 04:47 PM   #11
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I need three gaskets for these portholes if anybody knows where I can find them please let me know
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