Junk Mechanics is a car-restoration simulator on Roblox from developer Oil Leak, built on a simple and satisfying loop: buy a damaged car from the junkyard, repair what is broken, repaint it, and sell it on for a profit. Every good flip grows your cash reserve, and that money is what lets you chase rarer vehicles, fill out your collection and work your way up to the best projects in the yard across desktop, mobile and console.
Codes slot straight into that loop. They hand you free Cash to put towards your next project car and Keys that open up auction opportunities, so a couple of redemptions can save you several flips’ worth of grinding. Below is every Junk Mechanics code we could verify for November 2026, the long list of codes that have already expired, and exactly how to redeem them once you are in the game.
All New Junk Mechanics Codes
- HALLOWEEN2026: $86,700 Cash (==NEW==)
- IMHOME: 3 Keys (==NEW==)
Use the Cash from HALLOWEEN2026 on a project car with a healthy margin rather than the first wreck you see, and keep the Keys from IMHOME for an auction lot you actually want — keys are the scarcer reward here, and codes in this game can be switched off with no warning, so claim both codes now even if you are saving the rewards for later.
Expired Junk Mechanics Codes
The codes below have stopped working, so skip them and save yourself the effort:
- WEEK3
- BOO
- NOBUGS
- WEEK2
- HALLOWS
- TRICKORTREAT
- BIDS!
- KA-CHOW
- NEWUPD
- 40KTHANKS
- SMOLUPD
- ANOTADELAY
- 25KTHANKS
- DELAYMECHANICS
- ELCINCO
- THIRDCODEOK
- FOURTHCODINITUNGTUNG
- 5500THANKS
- UPDATE4K
How to Redeem Junk Mechanics Codes
You need to finish the in-game tutorial first — the code box does not appear until you have completed it and sold your first car.
- Launch Junk Mechanics on Roblox.
- Complete the tutorial and sell your first car to unlock code redemption.
- Tap the Shop button on the left side of the screen.
- Scroll to the bottom of the Shop menu to find the code entry area.
- Type or paste a working code into the code box exactly as it appears above.
- Press the green Redeem button and your Cash or Keys will be added straight away.
How to Get More Junk Mechanics Codes
Oil Leak tends to release codes alongside weekly updates, events and community milestones rather than on a fixed schedule, and the announcements land with the community first. The game’s Discord server is where update news and fresh codes are posted earliest, and the Oil Leak Roblox group is the other official channel worth following. Bookmark this page and check back after every update, because we re-verify this list and add new codes here as soon as they are released and confirmed.
Why Are My Junk Mechanics Codes Not Working?
Double-Check for Typos: Codes here are case-sensitive, and several of them end in exclamation marks or mix numbers into the word, which makes them easy to mistype. Copy and paste each code directly from the list above, and make sure no extra space sneaks in at the start or end.
The Code Has Expired: This game burns through codes quickly — most weekly and milestone codes only live for a short window, which is why the expired list above is so long. If a code you found elsewhere is rejected, it has almost certainly expired since that list was written.
You Have Not Finished the Tutorial: The redemption box stays hidden until you complete the tutorial and sell your first car. If you cannot find anywhere to type a code, play through those opening steps first, then open the Shop again and the code area will be waiting at the bottom of the menu.
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Conclusion
Two codes are live in Junk Mechanics right now, and together they are worth $86,700 in Cash plus 3 Keys — enough to fund a solid project car and bid on something better at auction. Redeem them before they join the expired list, finish your tutorial if you have not already, and check back here whenever a new weekly update lands for the next batch of codes.
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