M20C thermos style fuel cap replacement

[markazzarito]

Im wondering if anyone has found a replacement solution for the thermos style gas caps? As the rubber goes bad the latches end up pulling through the thin aluminum I’ve replaced a couple but new ones dont exist from what i can tell anymore? another one of mine just failed and need a solution i have a 63 M20C

[hammdo]

@Sabremech did a modern upgrade on the one I bought from him. Very nice. Both caps are like the Ovation version and readily available.

-Don

[47U]

13 hours ago, markazzarito said:

Im wondering if anyone has found a replacement solution for the thermos style gas caps?

Spruce sells these caps, as NOT FAA approved.  But, if you got one and took parts off of it to rebuild your caps, then it’s a repair.  Talk to your A&P/IA first.  As long as they’re happy, you’re golden.

[Brian2034]

2.125 diameter 

https://www.mcmaster.com/catalog/127/2221/

 

[Mooneyintn]

i have a good set here from the same year plane. give me acall at 423-273-3557

[bcg]

Spruce sells these caps, as NOT FAA approved.  But, if you got one and took parts off of it to rebuild your caps, then it’s a repair.  Talk to your A&P/IA first.  As long as they’re happy, you’re golden.

Napa sells a gas cap like that for about 1/2 the price, only difference is it's a screw compression instead of the flip tab. Disassemble it and use just the rubber piece to repair the Mooney cap, throw the rest in the scrap metal pile.

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