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Old 05-30-2013, 12:31 AM   #1
Scott>72-GMC
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Wtb 3/4 ton gas cap

Would rather buy an original one than aftermarket. For the right price am not in a hurry. Thanks
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Old 05-30-2013, 12:47 AM   #2
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Re: Wtb 3/4 ton gas cap

Hey Scott, What is the difference if any in a 3/4 ton than a 1/2 ton gas cap? I was not aware of a difference. I will keep my eye out for one for you.
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Old 05-30-2013, 01:01 AM   #3
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Re: Wtb 3/4 ton gas cap

Neither did I till I tried to put one on my truck lol the part that fastens to the neck of the tank is bigger. I don't believe the cap itself is bigger just the (fastening part) inside the cap
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Old 05-30-2013, 11:09 AM   #4
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Re: Wtb 3/4 ton gas cap

This is news to me.
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Old 05-30-2013, 01:02 PM   #5
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Re: Wtb 3/4 ton gas cap

Is it a 1/2 to 3/4 ton difference, or year to year?
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Old 05-30-2013, 01:26 PM   #6
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Re: Wtb 3/4 ton gas cap

According to the books 67-72 3/4 Ton all are the same size cap but different from the 1/2 tons
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Old 05-30-2013, 06:15 PM   #7
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Re: Wtb 3/4 ton gas cap

I have a Longhorn that i am moving the tank out of the cab. PO already removed the tank but iirc there was still a filler neck or cap or something in the hole. I will take a look tomorrow
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Old 05-30-2013, 07:24 PM   #8
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Re: Wtb 3/4 ton gas cap

I have a 3/4 ton w/an aux tank from the factory and the caps aren't interchangeable. I have the part #'s for each in my build thread. I'll look for them.


Stant 10623, cab tank

703-1092, aux tank May be stant idk

These are after market. But I wanted to give you options in case you can't find one. If you find an old one chances are the check valve won't work.
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Old 05-30-2013, 07:40 PM   #9
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Re: Wtb 3/4 ton gas cap

Wish I had that aux cap I have the square cuts in each side of the bed
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Old 05-30-2013, 07:42 PM   #10
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Re: Wtb 3/4 ton gas cap

Quote:
Originally Posted by Scott>72-GMC View Post
Wish I had that aux cap I have the square cuts in each side of the bed
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I think those were dealer add ons.
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Old 05-30-2013, 07:44 PM   #11
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Re: Wtb 3/4 ton gas cap

I believe ur right
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Old 06-01-2013, 02:36 PM   #12
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Re: Wtb 3/4 ton gas cap

Quote:
Originally Posted by thelonerife View Post
I have a 3/4 ton w/an aux tank from the factory and the caps aren't interchangeable. I have the part #'s for each in my build thread. I'll look for them.


Stant 10623, cab tank

703-1092, aux tank May be stant idk

These are after market. But I wanted to give you options in case you can't find one. If you find an old one chances are the check valve won't work.
FYI,
703-1092 is a Balkamp supplier part number. Napa sells Balkamp products. It may very well be a Stant product but was packaged by Balkamp or Napa
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Old 07-23-2013, 01:17 PM   #13
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Re: Wtb 3/4 ton gas cap

Quote:
Originally Posted by Scott>72-GMC View Post
Would rather buy an original one than aftermarket. For the right price am not in a hurry. Thanks
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Still looking?
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Old 07-23-2013, 01:31 PM   #14
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Re: Wtb 3/4 ton gas cap

I have one I will find it tonight and post pics, I did not know there was a difference between 3/4 & 1/2 ton caps but sure enough. Learn something new everyday.
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Old 07-23-2013, 03:24 PM   #15
Scott>72-GMC
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Re: Wtb 3/4 ton gas cap

I haven't found one yet. No hurry either though
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Old 07-25-2013, 12:03 AM   #16
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Re: Wtb 3/4 ton gas cap

Here is what I have, $12 shipped.
I tried to put it on both my 72 1/2 tons and sure enough the opening is bigger on 3/4 tons.
Ok still can't post pics due to the changes/rebuild? of the site, PM sent.
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Old 07-25-2013, 02:44 AM   #17
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Re: Wtb 3/4 ton gas cap

I have a 3/4 ton one that is stainless steel, not sure if it oem or not. Same $12 shipped as above.
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Old 07-25-2013, 08:17 AM   #18
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Re: Wtb 3/4 ton gas cap

I think it has something to do with the vent return line. 3/4 tons and larger did not have the charcoal canister with the return line back to the tank.
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