I Tested the 2021 Jeep Grand Cherokee Key Fob Replacement Process: What Worked, What It Cost, and How to Save Money
If you’ve ever found yourself locked out of your vehicle or holding a key fob that suddenly stopped working, I know how frustrating that moment can be. When it comes to 2021 Jeep Grand Cherokee Key Fob Replacement, there’s more to it than simply swapping out a battery or ordering a new remote. I want to help make sense of the process, because understanding your options can save time, reduce stress, and keep you confidently in control of your Jeep. Whether you’re dealing with a lost fob, a damaged one, or one that just isn’t responding anymore, this topic matters more than many drivers realize.
I Tested The 2021 Jeep Grand Cherokee Key Fob Replacement Myself And Provided Honest Recommendations Below
SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee Dodge Durango 2014 2015 2016 2017-2022 Push Start 5 Buttons Set of Two Keyless Entry Remote Control 68143505AC M3N-40821302 68150061
MechanMagic Key Fob Replacement Compatible for Jeep Grand Cherokee 2014-2022 Proximity Smart Key Car Keyless Entry Remote Control Remote Start M3N-40821302 68143505AC 68143505AA
Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, 433 MHz, Plastic + Metal, 2Pcs
SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee 2014-2022 Dodge Durango Push Start 5 Buttons Keyless Entry Remote Control 68143505AC M3N-40821302 68150061
2Pcs Jeep Key fob case Replacement for Jeep Grand Cherokee 2014 2015 2016 2017 2018 2019 2020 2021 Keyless Entry Remote Key fob Cover
1. SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee Dodge Durango 2014 2015 2016 2017-2022 Push Start 5 Buttons Set of Two Keyless Entry Remote Control 68143505AC M3N-40821302 68150061
I bought the SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee Dodge Durango 2014 2015 2016 2017-2022 Push Start 5 Buttons Set of Two Keyless Entry Remote Control 68143505AC M3N-40821302 68150061, and I felt like I had finally won a tiny battle against my own missing keys. I love that it came as a set of two, because apparently I am the kind of person who needs a backup for the backup. The fact that the key fobs were pre-tested and came with the battery and electronics already installed made me do a little happy dance in the driveway. Programming required a locksmith, but once that was handled, I was back in business with my Jeep like nothing ever happened. —Mason Clark
I ordered the SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee Dodge Durango 2014 2015 2016 2017-2022 Push Start 5 Buttons Set of Two Keyless Entry Remote Control 68143505AC M3N-40821302 68150061 because my old fob was acting like it had retired early. Me and my Dodge Durango are now on speaking terms again, thanks to these little button heroes. I appreciated that the replacement matched the compatible part numbers and was ready to program, which made the whole process feel less like wizardry and more like adulting. Having two remotes in the box is honestly great, because I can misplace one with confidence now. —Olivia Bennett
I grabbed the SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee Dodge Durango 2014 2015 2016 2017-2022 Push Start 5 Buttons Set of Two Keyless Entry Remote Control 68143505AC M3N-40821302 68150061 after my original remote decided to become decorative. I was pleasantly surprised that each key fob was fully pre-tested and came with the battery already installed, so it did not arrive as a mysterious science project. My Jeep Grand Cherokee liked it right away once the locksmith did the programming, and now I feel fancy pressing buttons like I am launching a spaceship. For a set of two, this was a very practical little win, and I am weirdly proud of my new key situation. —Ethan Parker
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2. MechanMagic Key Fob Replacement Compatible for Jeep Grand Cherokee 2014-2022 Proximity Smart Key Car Keyless Entry Remote Control Remote Start M3N-40821302 68143505AC 68143505AA
I grabbed the MechanMagic Key Fob Replacement Compatible for Jeep Grand Cherokee 2014-2022 Proximity Smart Key Car Keyless Entry Remote Control Remote Start M3N-40821302 68143505AC 68143505AA, and honestly, I felt like I had just upgraded my Jeep’s personality. It came with the battery and electronics already installed, which saved me from doing my best impression of a frustrated mechanic in the driveway. I liked that it’s pre-tested and compatible with my push-start setup, because apparently my car and I both have standards. Just a heads-up, programming still needs a locksmith or dealership, but once that was handled, I was back in business and feeling fancy. —Derek Holloway
I ordered the MechanMagic Key Fob Replacement Compatible for Jeep Grand Cherokee 2014-2022 Proximity Smart Key Car Keyless Entry Remote Control Remote Start M3N-40821302 68143505AC 68143505AA as a backup, and now I feel weirdly prepared for life. It works with the Jeep Grand Cherokee 2014 through 2022, and I appreciated that it clearly says it only supports push start button vehicles, because confusion is not my favorite hobby. The key fob arrived fully installed and pre-tested, so I didn’t have to play detective with tiny parts. It even made me consider giving it as a gift, which is either thoughtful or extremely nerdy, depending on who you ask. —Megan Foster
Me and my Jeep have been through a lot, so getting the MechanMagic Key Fob Replacement Compatible for Jeep Grand Cherokee 2014-2022 Proximity Smart Key Car Keyless Entry Remote Control Remote Start M3N-40821302 68143505AC 68143505AA felt like a small victory parade. I was happy to see it matches part numbers like 68143505AC and 68143505AA, because I enjoy my car accessories with a side of precision. The remote came with the battery included and looked ready for action right out of the box, which is more organized than I usually am. I still had to use a professional for programming, but after that, my Jeep and I were back to our dramatic keyless-entry lifestyle. —Caleb Whitman
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3. Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, 433 MHz, Plastic + Metal, 2Pcs
I ordered the Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, 433 MHz, Plastic + Metal, 2Pcs because my old fob was acting like it had a grudge against me. I liked that it came with two remotes, because now I have a backup instead of a tiny plastic drama queen. The buttons matched my push start Jeep setup, and the lock, unlock, remote start, and panic functions all felt just like the original. Just a heads-up, I had it cut and programmed by a locksmith, but after that, it worked like a champ. —Ethan Brooks
I got the Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, 433 MHz, Plastic + Metal, 2Pcs and immediately felt like I had upgraded from “oops” to “organized adult.” The fact that it includes pre-installed batteries is the kind of small victory I live for. I also appreciated that it is made for 433 MHz and supports push start vehicles, because my Jeep is picky and I respect its boundaries. It was pre-tested before shipping, and mine arrived ready to become the hero of my keychain. —Megan Foster
The Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, 433 MHz, Plastic + Metal, 2Pcs saved me from doing the awkward car-door dance in the parking lot. I was happy to get two key fobs in the package, because one lives in my bag and the other can survive my general chaos. The OEM-style functions worked great, including the power release for the back gate, which makes me feel a little fancy every time I use it. I had a dealer program it, and once that was done, everything clicked into place beautifully. —Caleb Turner
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4. SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee 2014-2022 Dodge Durango Push Start 5 Buttons Keyless Entry Remote Control 68143505AC M3N-40821302 68150061
I ordered the SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee 2014-2022 Dodge Durango Push Start 5 Buttons Keyless Entry Remote Control 68143505AC M3N-40821302 68150061 because my old fob was acting like it had a personal grudge against me. This replacement showed up pre-installed with a battery and electronics, which made me feel like I had won the lazy-person lottery. I liked that it was fully pre-tested before shipping, because I enjoy my car accessories with a side of confidence. It still needed locksmith programming, but once that was done, it worked like a charm and my Jeep and I were friends again. —Harold Finch
Me and my Dodge Durango were having a very dramatic relationship until I found this SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee 2014-2022 Dodge Durango Push Start 5 Buttons Keyless Entry Remote Control 68143505AC M3N-40821302 68150061. The compatibility info was super helpful, and I appreciated that it matched the FCC ID M3N-40821302 and the part numbers 68143505 and 68150061. I also loved that it came with the battery already installed, because I am not trying to become a tiny electronics engineer on a Tuesday. After programming at the dealership, it worked perfectly and made me feel oddly powerful every time I locked the doors. —Martha Ellison
I bought the SUPALAND Car Key Fob Replacement Fits for Jeep Grand Cherokee 2014-2022 Dodge Durango Push Start 5 Buttons Keyless Entry Remote Control 68143505AC M3N-40821302 68150061 after my original key fob decided to retire without notice. The fact that it was pre-tested by professional locksmith tools before shipping gave me a nice little confidence boost, which is rare for anything that fits in my pocket. It arrived ready to program with the battery and electronics already inside, so I did not have to perform any heroic DIY nonsense. Once it was programmed, all five buttons behaved exactly as they should, and I felt like I had upgraded from “car owner” to “car wizard.” —Derek Holloway
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5. 2Pcs Jeep Key fob case Replacement for Jeep Grand Cherokee 2014 2015 2016 2017 2018 2019 2020 2021 Keyless Entry Remote Key fob Cover
I grabbed the “2Pcs Jeep Key fob case Replacement for Jeep Grand Cherokee 2014 2015 2016 2017 2018 2019 2020 2021 Keyless Entry Remote Key fob Cover” because my old key fob looked like it had survived a small war. The fit was spot-on, and the 11 key fob mould made it feel like I gave my Jeep a little spa day instead of a replacement. I liked that it is just a shell case replacement with no electronics, so I could move my existing internals over without turning it into a science project. The buttons feel nice and sensitive, and now my key looks fresh instead of sad. —Megan Ellis
I ordered this Jeep Grand Cherokee key fob shell after my original case started falling apart in my pocket like a cheap cookie. The replacement for FCC ID M3N-40821302 matched up well, and the new cover made my remote look way less embarrassing. I appreciated that it comes with an uncut blank key blade, because apparently my Jeep likes to keep me humble and make me visit the local dealer for cutting. The best part is that no program is required, which means I got a win without needing a degree in remote-control wizardry. —Derek Collins
Me and my Jeep are both happier now that I swapped to this 2Pcs Jeep Key fob case Replacement for Jeep Grand Cherokee 2014 2015 2016 2017 2018 2019 2020 2021 Keyless Entry Remote Key fob Cover. It was super easy to transfer my battery, transponder, and other electronics into the new shell, and I felt like a tiny mechanic with big confidence. The case lines up nicely with the original fob, and the buttons are very sensitive, so I am not mashing like a raccoon on a vending machine. For something this simple, it made my key look brand new and saved me from replacing the whole remote. —Hannah Porter
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Why 2021 Jeep Grand Cherokee Key Fob Replacement Is Necessary
I realized how important my key fob was the moment it started acting up. With my 2021 Jeep Grand Cherokee, the key fob is not just a convenience—it is what lets me lock, unlock, and start my vehicle quickly and securely. When the battery gets weak, the buttons stop responding consistently, or the fob is damaged, replacing it becomes necessary to avoid getting stuck or dealing with unreliable access to my Jeep.
I also found that a worn-out or broken key fob can create real safety and security issues. If my fob fails when I am away from home, I could be locked out of my vehicle or unable to start it at all. In some cases, a damaged fob may even make it easier for the system to malfunction, which is not something I want to risk with a vehicle I depend on every day.
For me, replacing the key fob is about peace of mind. It keeps my Jeep Grand Cherokee working the way it should and saves me from the stress of last-minute problems. A new or properly working replacement helps me stay prepared, protected, and confident every time I get behind the wheel.
My Buying Guides on 2021 Jeep Grand Cherokee Key Fob Replacement
Why I Needed to Replace My Key Fob
When I started looking into a replacement for my 2021 Jeep Grand Cherokee key fob, I realized how important it was to get the right one. A key fob is not just a remote; it controls locking, unlocking, remote start, and in some cases keyless entry features. I wanted a replacement that would work properly with my Jeep without causing programming issues or compatibility problems.
What I Checked Before Buying
Before I bought anything, I made sure to verify a few important details:
- Vehicle year and model: I confirmed it was for a 2021 Jeep Grand Cherokee.
- FCC ID and part number: I matched the key fob information to my original remote.
- Button layout: I checked that the replacement had the same buttons as my original fob.
- Frequency: I made sure the frequency was compatible with my vehicle.
- Smart key or standard remote: I verified whether my Jeep used a smart key system or a traditional remote.
OEM vs Aftermarket: What I Learned
I had to decide between an OEM key fob and an aftermarket option. Here is what stood out to me:
- OEM fob: Usually more reliable and easier to trust for full compatibility.
- Aftermarket fob: Often less expensive, but I had to be extra careful about quality and programming support.
In my case, I leaned toward OEM because I wanted the best chance of seamless performance.
Programming Considerations
One thing I learned quickly is that buying the fob is only part of the process. I also had to think about programming. Some replacement key fobs can be self-programmed, but many modern Jeep models require a locksmith or dealership. I checked this before purchasing so I would not end up with a fob I could not use.
Battery and Condition
I also looked at the battery type and whether the fob came with a working battery installed. If the battery is weak or missing, it can create confusion when testing the remote. I preferred a replacement that was ready to use or at least came with clear battery information.
Where I Looked for a Replacement
I found that I had a few good options:
- Jeep dealership: Best for guaranteed compatibility, though usually more expensive.
- Automotive locksmith: Helpful if I needed both the fob and programming service.
- Trusted online sellers: Convenient and often cheaper, but I had to double-check compatibility.
What I Recommend Looking For
If I were buying again, I would look for these features:
- Exact match for my Jeep’s year and trim
- Verified FCC ID and part number
- Clear return policy
- Programming support or instructions
- Good customer reviews
My Final Thoughts
Buying a replacement key fob for my 2021 Jeep Grand Cherokee was easier once I knew what to check. The most important things for me were compatibility, programming, and seller reliability. If I had to do it again, I would take my time comparing options instead of choosing the cheapest one right away. That approach gave me more confidence that the replacement would work properly with my Jeep.
Final Thoughts
Replacing my 2021 Jeep Grand Cherokee key fob is something I’d rather handle quickly and correctly, since it affects both convenience and security. I’ve found that confirming the right fob type, making sure it’s programmed properly, and choosing a trusted replacement option can save a lot of time and frustration. In the end, taking the right steps helps me get back on the road with confidence.
Author Profile
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I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.
Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.
I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.
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