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Old 09-19-2016, 08:24 AM   #1
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Join Date: Mar 2014
Posts: 70
Fuel Fill Cap

While on vacation this summer I lost my diesel fuel fill cap for my 2002 Tradewinds and I'm having no luck finding a new one. It's the round chrome cap (looks just like a marine deck fill cap) with the two holes on top that serve as a key. Mine is 1 3/4" thread diameter where marine caps are 1 1/2". I've tried everywhere I can think of: marine websites, RV websites, Spartan chasis, all to no avail. Anybody have any suggestions?

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Old 09-19-2016, 02:46 PM   #2
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Location: Cincinnati
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This one isn't exactly as you describe, but it is a locking cap with 1 49/64" diameter threads. That's only 1/64" off of 1 3/4". The 1 49/64" seems to be a common size.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 09-20-2016, 06:33 AM   #3
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Mine is the metal "deck fill" type cap with fine threads.
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