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Capless fuel fill gas cap

Mike LaRocque
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Mike LaRocque New Member

Mike LaRocque

Posted
Posted

Have a 21 2500hd gas. Not a fan of the capless fuel fill, want to add a gas cap. What are you guys doing for gas caps? Thanks.

images (1).jpeg

2020-2500 Enthusiast

2020-2500

Posted
Posted

Why would you want to add a gas cap?  They're relics of the past now.

 

If you're worries about gas spilling note that there are two internal caps on hinges.  The one you see, and another two inches or so past that one.

gemarsh Senior Enthusiast

gemarsh

Posted
Posted
21 hours ago, Mike LaRocque said:

Have a 21 2500hd gas. Not a fan of the capless fuel fill, want to add a gas cap. What are you guys doing for gas caps? Thanks.

images (1).jpeg

Maybe you can find something like this to fit.

 

 

  • 1 month later...
InTrouble Enthusiast

InTrouble

Posted
Posted

The top from an aerosol spray can will work well to keep an accumulation of blown in snow or dust away from the nozzle, worked fine for me this winter.

Atlas Senior Enthusiast

Atlas

Posted
Posted

Old thread, but maybe still worth posting for others looking for a more "official" solution.

 

I won't debate the merits and potential drawbacks of capless fuel filler necks. But there can arguably be a case for preventing crimes of opportunity and/or vandalism by closing off access.

 

AcD makes a locking plug for the capless necks. I'm not sure if you have to use the locking feature to secure it. Personally, I'd prefer to only lock when I felt it is necessary, and not have to carry an extra key on my ring every time I need to fill the truck. Someone else can order one and report back.

 

Part number is GT377

 

https://www.rockauto.com/en/moreinfo.php?pk=10480808&cc=3445631&jsn=1249

 

 

spm1us Enthusiast

spm1us

Posted
Posted (edited)

I hate that GM took away the cap on the Gas models because of vandalism/theft and contamination. I always had locking gas caps on every vehicle I owned - this prevented problems and was an excellent deterrent. Having said this, there is a black vinyl slip-on cap that is 2-1/4"  which is identical to the covers for trailer Bearing Buddies. They are very inexpensive and will prevent any intrusion of water/dirt/dust until removed for tank fill-up. Here is the link :

https://www.usplastic.com/catalog/item.aspx?itemid=129953&catid=841  - they retail for eighty five cents (.85) plus the shipping. There is also a seller on Ebay that sells the identical black vinyl cap - eBay #382009468868 for $10.

I think the AC Delco #GT377 would be a better option considering the locking capability and the miniscule difference in price.

   

 

 

Edited by spm1us
  • 3 weeks later...
  • 5 months later...
scwidy Enthusiast

scwidy

Posted
Posted

You guys are on to something, my 2022 Denali 3500HD has a cap

 

20211111_084529.thumb.jpg.54246e101f0bd0206633e7c7a3f041d1.jpg

  • 2 weeks later...
redwngr Senior Enthusiast

redwngr

Posted
Posted
On 11/11/2021 at 10:52 AM, scwidy said:

You guys are on to something, my 2022 Denali 3500HD has a cap

 

20211111_084529.thumb.jpg.54246e101f0bd0206633e7c7a3f041d1.jpg

25/3500 diesels still have a cap system.

 

1500 diesel gets the capless

 

15/25/35 gas engines have capless

  • 2 years later...
fredstr New Member

fredstr

Posted
Posted
On 3/29/2021 at 10:32 PM, Mike LaRocque said:

Have a 21 2500hd gas. Not a fan of the capless fuel fill, want to add a gas cap. What are you guys doing for gas caps? Thanks.

images (1).jpeg

I have the same issue. The little flaps they have on the opening do not stop someone from adding foreign objects to my gas or syphoning my fuel off. I want to add a lockable cap to at least let me know when my tank has been compromised. 

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  • 5 months later...
Peter Krumpelbeck New Member

Peter Krumpelbeck

Posted
Posted

I have friends with new 22-23 Tahoes and Yukons ,around here in Hyannis Mass you need locking  gas caps /or doors. They have had ass holes jam stones and or trash into the filler pipe ,that creates a big problem.

BCGM Enthusiast

BCGM

Posted
Posted (edited)
On 5/6/2024 at 2:28 PM, Peter Krumpelbeck said:

I have friends with new 22-23 Tahoes and Yukons ,around here in Hyannis Mass you need locking  gas caps /or doors. They have had ass holes jam stones and or trash into the filler pipe ,that creates a big problem.

People that do that need to be flogged in public !

Edited by BCGM
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