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fuel tap rubber seal/oring

Posted: Thu May 08, 2025 11:54 pm
Author: sweptail
Hi,
Due to a drip, i took off my fuel tap on my a4. After removal i found a demolished rubber seal or o ring in the big nut that screws onto the tank. There is a groove inside the nut for the seal. Does anyone know the diameter of this seal? It is beyond measuring. Thanks Tommy

Re: fuel tap rubber seal/oring

Posted: Fri May 09, 2025 7:05 am
Author: z2.john
Can't tell you size but is this the part you need? Relatively cheap and available.
https://www.cmsnl.com/products/gasket-f ... _92065081/

Re: fuel tap rubber seal/oring

Posted: Fri May 09, 2025 9:36 am
Author: sweptail
Thanks John.

Re: fuel tap rubber seal/oring

Posted: Sat May 10, 2025 12:31 pm
Author: wilsonsjw11
The required rubber seal is a stock item at Z-Power.
Regards
Steve

Re: fuel tap rubber seal/oring

Posted: Sun May 11, 2025 6:39 pm
Author: gray
don't be tempted to use an o ring that's the right size. the seal has flat surfaces top and bottom where it presses against tank flange and tap face flange

Re: fuel tap rubber seal/oring

Posted: Sun May 11, 2025 7:09 pm
Author: sweptail
thanks Gray i was indeed tempted to use a O ring, but got the right flat one instead. Now i have unscrewed the bowl and a piece of hard rubber came down:seal completely goosed. Could i try a ordinary O ring in there? or is it a shaped seal? Tommy

Re: fuel tap rubber seal/oring

Posted: Mon May 12, 2025 6:46 pm
Author: gray
I think that's a round section O ring ( but I'm sure I will be corrected if wrong)