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Locking Fuel Cap

Discussion in '5th Gen 4Runners (2010-2024)' started by Rick G., Nov 21, 2023.

  1. Nov 21, 2023 at 8:39 AM
    #1
    Rick G.

    Rick G. [OP] New Member

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    Has anyone installed a locking fuel filler cap on their 5th gen (2022) 4RUNNER?

    I want one, but two of our local Toyota dealer parts departments have told me there is not an official Toyota OEM locking fuel filler cap for the 4RUNNER! WTF.

    (Or is the problem that two of my local Toyota dealers parts guys do not know what they’re talking about, or are too lazy to properly look this up?

    Has anyone found a suitable after market brand locking gas cap that can be trusted not to leak fumes or pressure so as not to set off a computer code? For 2022 SR5 Premium 4WD.

    If there is in fact an official Toyota part for this, can you please furnish me with the part number?

    Thanks, Rick G.
     
    ToddsRunner and Quadjeeper like this.
  2. Nov 21, 2023 at 8:42 AM
    #2
    2Toys

    2Toys Imperial Star Cruiser

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    What is your concern? There is an anti-siphon system built into the filler neck. This has been built into all cars for many years. That's why you see news clips of thieves drilling holes in the bottom of fuel tanks recently.
     
  3. Nov 21, 2023 at 8:42 AM
    #3
    Ironguy

    Ironguy New Member

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    I have one on my 2020. Ordered from Amazon I believe. Possibly a Stant locking cap.
     
  4. Nov 21, 2023 at 8:44 AM
    #4
    ipnpulz

    ipnpulz New Member

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    When I get home this evening I’ll send over the one I have and has given me no issues…..
     
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  5. Nov 21, 2023 at 8:44 AM
    #5
    Quadjeeper

    Quadjeeper New Member

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    I haven't found an OEM approved one yet. Have tried several name brand aftermarket caps, all turn on the check cap warning after a few starts. So I just settled on one and use the OEM cap instead unless I'm expecting to park in a questionable area.
     
  6. Nov 21, 2023 at 8:44 AM
    #6
    kmeeg

    kmeeg LionRunner

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    Would it be worth going through that trouble?
    Here in CO, thieves just drill the gas tank and easily steal gas.
     
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  7. Nov 21, 2023 at 8:46 AM
    #7
    Quadjeeper

    Quadjeeper New Member

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    True, but helps preventing kids from dumping stuff in.
     
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  8. Nov 21, 2023 at 8:47 AM
    #8
    kmeeg

    kmeeg LionRunner

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    Good point :hattip:
     
  9. Nov 21, 2023 at 8:50 AM
    #9
    Yamahamer

    Yamahamer New Member

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    It's not just about preventing gas theft...there's been a bunch of reports around here of "kids" with nothing better to do that are pouring stuff into the gas tank for no other reason than to cause harm.
     
    kmeeg[QUOTED] likes this.
  10. Nov 21, 2023 at 8:52 AM
    #10
    2Toys

    2Toys Imperial Star Cruiser

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    Now that is a concern.
     
  11. Nov 21, 2023 at 8:53 AM
    #11
    3JOH22A

    3JOH22A Toyota Gigolo

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    Toyota Canada had a repackaged Stant available at the dealer, but that was discontinued many years ago. The Stant is also discontinued by parent company MotoRad and superseded by MotoRad MGC791 (order a Stant and the parts store will ship you a MotoRad without notification). The MotoRad has been reliable in my 4Runner for the past 10 months.
     
  12. Nov 21, 2023 at 9:04 AM
    #12
    ToyotFan

    ToyotFan New Member

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    Makes me wonder if I should get a skid plate for the fuel tank like I installed a CAT shield to protect those?
     
    Tank010 and 2Toys[QUOTED] like this.
  13. Nov 21, 2023 at 9:08 AM
    #13
    whippersnapper02

    whippersnapper02 New Member

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    They usually leak and you can easily defeat them by pushing down hard onto them and twisting.
     
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  14. Nov 21, 2023 at 9:15 AM
    #14
    Slopemaster

    Slopemaster Slope Survivalist

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    Having a locking gas cap would be nice, but from all the threads I’ve read, finding an aftermarket cap that is as reliable as the OEM seems elusive.
     
    2Toys likes this.
  15. Nov 21, 2023 at 9:41 AM
    #15
    Quadjeeper

    Quadjeeper New Member

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    That was one that I tried. Turned on the cap warning. Returned it to Amaz. Stock cap so far is the only one that seals for me.
     
  16. Nov 21, 2023 at 9:58 AM
    #16
    3JOH22A

    3JOH22A Toyota Gigolo

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    ^Yeah only 60% of buyers gave the MotoRad 5 stars. Quality probably isn't that consistent on the $11 cap, and that's the best locking cap on the market...

    I tried AC Delco P/N GT139L and it threw a check engine light on the second startup. That's a GM OE part. Maybe the GM filler mouth is shaped slightly differently from Toyota's. Put the MotoRad back on and the check engine light didn't come back.
     
    Last edited: Nov 22, 2023
  17. Nov 21, 2023 at 1:38 PM
    #17
    Rick G.

    Rick G. [OP] New Member

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    Oi. Nothing is easy. Thanks for all the replies. I guess I’ll just leave the stock fuel tank cap on there.

    I just picked up my first ever 4RUNNER last week. After I got it home and was drooling over it some more, I was dismayed to discover that it did not have a locking fuel filler door with an inside release. Seriously? Lol….

    I found a beautiful 2022 SR5 Premium 4WD. Black interior. Certified, by my Toyota dealer. I also purchased the Toyota Extra Care warranty to help cover things up to 7 years or 125,000 miles.

    I sold off my 2006 Tundra Double Cab SR5 TRD 4WD to enable me to get the 4RUNNER.

    Here’s some pics of it. I’m looking forward to being a 4RUNNER owner and being a member of this message board.

    IMG_9295.jpg
    IMG_9294.jpg
    IMG_9296.jpg
     
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  18. Nov 21, 2023 at 1:40 PM
    #18
    Slopemaster

    Slopemaster Slope Survivalist

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    Enjoy, you’ll love it.
     
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  19. Nov 21, 2023 at 4:22 PM
    #19
    3JOH22A

    3JOH22A Toyota Gigolo

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    Just go buy the MotoRad MGC791. Worst case you have to return it or eat the $11. 60% chance it'll be fine, as with mine.
     
  20. Nov 21, 2023 at 5:15 PM
    #20
    SVMTRCSR

    SVMTRCSR New Member

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  21. Nov 21, 2023 at 5:51 PM
    #21
    ipnpulz

    ipnpulz New Member

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    Here is the one I bought and been on 3 months no issues……

    got it at Advance auto parts. IMG_2072.jpg
     
  22. Nov 22, 2023 at 5:10 AM
    #22
    3JOH22A

    3JOH22A Toyota Gigolo

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  23. Jan 25, 2024 at 12:29 PM
    #23
    ToddsRunner

    ToddsRunner New Member

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    I ordered the Stant 10504 fits really good will let you know if it fails.
     
  24. Jan 25, 2024 at 12:40 PM
    #24
    1SilverRunner

    1SilverRunner Long time listener, first time caller

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    Any issues with these so far? When I first bought my 4Runner I was surprised it doesn't have a locking fuel door like most modern toyotas
     
  25. Jan 26, 2024 at 6:18 AM
    #25
    Newfy

    Newfy New Member

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    Just install a locking fuel door, I did that on my ram 3500.
     
  26. Jan 27, 2024 at 7:45 AM
    #26
    glwood54

    glwood54 Stop making me buy stuff!

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