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Vented gas cap

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Old Nov 12, 2023 | 02:03 PM
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Vented gas cap

Now that I’ve resolved the fuel outlet leak I have another fuel issue. Turns out the gas cap I bought from carpenter isn’t actually vented. I believe the reason I wasn’t getting a vacuum in the tank before this repair, is that the gasket on the fuel sender unit was in bad shape. Now that I replaced it, I’m getting a vacuum in the tank.

Everywhere I look they’re selling the same non-vented cap as I have. Where can I find the correct vented cap?

Thx
 
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Old Nov 12, 2023 | 02:10 PM
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NAPA I just bought a new gas cap when I installed a new fuel tank. About five months agoAJ.
 
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Old Nov 12, 2023 | 02:14 PM
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Good thread on the subject: https://www.ford-trucks.com/forums/1...49-vented.html
 
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Old Nov 12, 2023 | 02:15 PM
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Originally Posted by ajsunnyB
NAPA I just bought a new gas cap when I installed a new fuel tank. About five months agoAJ.
I appreciate the quick reply, however when I search NAPA I don’t see a vented cap, only the non-vented like I already have.

Do you have a part number?
 
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Old Nov 12, 2023 | 02:45 PM
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Originally Posted by ALBUQ F-1
Yes, I found that thread in a search. However the cap for a 48 is not the same as a 49. I don’t think that one will fit.
 
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Old Nov 12, 2023 | 03:19 PM
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There's a NOS black one, new and in the box, for sale on eBay NJParts last time I checked.
 
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Old Nov 12, 2023 | 03:24 PM
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I should’ve been clearer, my truck is a 1948. Ford apparently changed the filler and cap in 51.
 
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Old Nov 13, 2023 | 06:04 AM
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Try Tanks Inc, that’s where I purchased mine.
Regards, Mark
 
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Old Nov 13, 2023 | 07:54 AM
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After leaving mine on spare tire and taking off.... (found it couple days later across hwy from station- bent into a taco..) I bought one on ebay. My tank is a 55 must be vented cuz there is no vent in tank. It was like 8-10 bucks, chrome and seems ok.
 
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Old Nov 13, 2023 | 08:14 AM
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Originally Posted by Badmoonreizen
Try Tanks Inc, that’s where I purchased mine.
Regards, Mark
Thx, I’ve never heard of them but they have the correct cap. It’s on order.
 
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Old Nov 13, 2023 | 09:03 AM
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Is it black or shiny stainless?
 
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Old Nov 13, 2023 | 10:31 AM
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Originally Posted by abe
Is it black or shiny stainless?
neither, it’s chrome
 
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Old Nov 13, 2023 | 12:47 PM
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i have a vented locking cap with keys if you want it free just pay shipping
 
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Old Nov 13, 2023 | 12:47 PM
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From: Pratt Ks
if a 50 model will work
 
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Old Nov 14, 2023 | 08:35 AM
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Originally Posted by DieselDog409
i have a vented locking cap with keys if you want it free just pay shipping
Thx, I appreciate the offer but I have a replacement on the way.
 
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