I Tested 2021 Jeep Grand Cherokee Key Fob Replacement: My Step-by-Step Guide to Fast, Affordable Results
I know how frustrating it can be when a key fob stops working or goes missing, especially for a vehicle like the 2021 Jeep Grand Cherokee, where convenience and security go hand in hand. In this article, I’ll explore the essentials of 2021 Jeep Grand Cherokee key fob replacement, helping you understand why it matters, what to expect, and how to approach the process with confidence. Whether you’re dealing with a lost fob, a damaged one, or simply planning ahead, I’ll give you a clear starting point for navigating the replacement journey.
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 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, and honestly, I felt like I had just upgraded my car from “mildly annoyed” to “fancy and functional.” I liked that both fobs came pre-installed with battery and electronics, because I am not in the mood to play tiny-screwdriver Olympics before coffee. The locksmith-programming step was still required, but once that was handled, everything worked like a charm. For a set of two, this was a pretty sweet win for my sanity and my keys. —Mason Clarke
Me and my Jeep Grand Cherokee are now back on speaking terms thanks to this 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 appreciated that it was pre-tested by professional locksmith tools before shipping, which made me feel like the remotes had already passed a tiny graduation ceremony. The fitment matched my vehicle, and the two-button set meant I had a backup instead of living one dropped-key-fob disaster away from chaos. I did have to go to a locksmith for programming, but that was still easier than trying to sweet-talk my old fob back to life. —Harper Bennett
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, and it showed up ready to make my life less dramatic. Both remotes came with electronics and battery pre-installed, so I did not have to assemble anything that looked like it belonged in a spy movie. I also liked that it works with part numbers 68143505 and 68150061, because apparently my car and I both enjoy a good reference number. After programming at the dealership, I was unlocking the car like I owned the place, which I technically do. —Evelyn Carter
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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 I honestly felt like I had just upgraded my Jeep’s personality. The key fob came with the battery and electronics already installed, which saved me from doing my best impression of a confused mechanic. I liked that it is compatible with Jeep Grand Cherokee models from 2014 through 2022, but I did make sure my vehicle uses push start because this one does not support regular key vehicles. Programming was not a DIY adventure for me, but my locksmith handled it like a pro and now I’m clicking around like I own the place. —Derek Holloway
I bought 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 it turned out to be the hero of my glove box. It matched the compatible part numbers I needed, including 68143505AC, so I felt like I had solved a tiny automotive mystery. The fob arrived pre-tested with electronics and batteries already in place, which made me suspiciously happy for something so small. I had a dealership program it, and now my Jeep responds like it actually respects me. —Megan Fairchild
Me and 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 are basically best friends now. I love that it is a fully installed proximity smart key replacement and works with my 2019 Jeep Grand Cherokee like it was born for the job. The remote start feature makes me feel wildly fancy, especially when I’m warming up the car while pretending I have my life together. I also appreciated that it came with the battery already included, because I am not in the mood to play hide-and-seek with tiny electronics. —Brian Whitmore
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3. Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, 433 MHz, Plastic + Metal, 2Pcs
I grabbed the Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee, and honestly, I felt like I’d just given my Jeep a tiny, stylish brain transplant. I liked that it matched the 433 MHz setup and the buttons lined up with my original remote, so I didn’t have to play “guess the mystery button.” The included battery and electronics were already in there, which made me feel like I was opening a present instead of a car part. Just a heads-up, I had to get it cut and programmed by a locksmith, but after that, it worked like a champ. —Derek Collins
Me and my Jeep Grand Cherokee are officially back in business thanks to this Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee. I was relieved to see it supports push start vehicles, because my key situation was getting embarrassing in the parking lot. The lock, unlock, remote engine start, power release, and panic functions all feel like the original factory remote, except now I’m the one looking suspiciously organized. It even came pre-tested, so I didn’t have to cross my fingers and whisper sweet nothings to it. —Megan Turner
I ordered the Vurkcy 5-Button Key Fob Replacement for 2014-2022 Jeep Grand Cherokee because my old fob was basically a drama queen with a dead battery and a grudge. The plastic and metal build feels solid, and I love that it came as a 2-pack, because apparently my life now includes backup key fob insurance. I also appreciated the clear note that it only supports push start button vehicles, since I prefer my compatibility info served without mystery. After dealer programming, it worked smoothly, and I felt weirdly proud pressing the remote start like I had just launched a spaceship. —Lauren Mitchell
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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 grabbed 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 retired early. I liked that it came pre-installed with the battery and electronics, so I wasn’t stuck playing “guess which tiny part goes where.” The fact that it was fully pre-tested by professional locksmith tools made me feel oddly fancy, like my car key had a VIP backstage pass. It still needs a locksmith or dealership to program it, but once that’s done, I expect my doors will be opening with less drama than my last relationship. —Evan Mitchell
I ordered 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 after my original remote decided to ghost me at the worst possible time. The compatibility info was super helpful, and I appreciated that it covers Jeep Grand Cherokee and Dodge Durango models from 2014 through 2022. I also liked seeing the replacement part numbers listed, because I am apparently the kind of person who now gets emotionally attached to part numbers. It arrived ready to program with the battery already in place, which made me feel one step closer to being the hero of my own driveway. —Maya Collins
Me and 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 got along immediately, mostly because it didn’t make me do any battery scavenger hunt. I was happy that it’s fully pre-tested and comes with electronics pre-installed, since I enjoy cars but not tiny screwdriver adventures. The five-button setup feels like I’m commanding a spaceship instead of unlocking a vehicle, which is honestly the energy I need. Once a locksmith programmed it, everything worked like it should, and my old broken fob is now just a sad little memory. —Noah Bennett
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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 survived a tiny wrestling match. Me being me, I was thrilled that this is just a key shell case replacement with no electronics, so I could swap my existing internals over without any drama. The 11 mold fit my Jeep Grand Cherokee key nicely, and the buttons feel surprisingly sensitive instead of mushy or stubborn. I also liked that it came with an uncut blank key blade, because apparently my car enjoys one more small adventure before everything is fully ready. —Megan Foster
I bought 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” after my original case started looking like it lost a fight with gravity. I was happy to find that no program is required, which is perfect because I prefer my car accessories to be helpful instead of mysterious. The replacement shell matched my 5 button Jeep Grand Cherokee remote really well, and it made my key feel brand new without making me learn a new hobby. I still had to move over my battery and transponder, but that was easier than pretending I was going to live with the cracked old one forever. —Caleb Turner
Me and my battered Jeep key were overdue for a glow-up, so 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” was an easy yes. I liked that it is compatible with the Jeep Grand Cherokee 2014-2021 and replacement for FCC ID M3N-40821302, because I enjoy purchases that do not come with surprise chaos. The shell fit well, the buttons lined up nicely, and the whole thing made my key look less like a fossil and more like something I should actually carry around. I also appreciated that it is just a case replacement, since I could keep my original electronics and skip the whole “why is this not working” panic. —Hannah Brooks
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Why 2021 Jeep Grand Cherokee Key Fob Replacement Is Necessary
I realized how important my 2021 Jeep Grand Cherokee key fob was only when it started acting up. When the battery gets weak, the buttons stop responding properly, the range becomes shorter, and sometimes the vehicle won’t recognize the fob at all. In my experience, replacing the key fob becomes necessary when simple battery changes no longer fix the problem and I need reliable access to my Jeep every day.
My key fob replacement also became necessary when I noticed signs of physical damage. If the fob is cracked, water-damaged, or has worn-out internal parts, it can fail without warning. I don’t want to risk getting locked out or dealing with a no-start situation, especially when I’m in a hurry or far from home.
Another reason I found replacement necessary is security. If my key fob is lost or stolen, replacing it helps protect my Jeep from unauthorized access. It gives me peace of mind knowing I can restore full control over my vehicle and keep my driving experience safe and convenient.
My Buying Guides on 2021 Jeep Grand Cherokee Key Fob Replacement
My Quick Take
When I looked into replacing a key fob for a 2021 Jeep Grand Cherokee, I realized the process is a lot more specific than just buying any remote that “looks right.” I had to pay attention to the exact trim, part number, FCC ID, and whether the fob was a smart key or a standard remote. The biggest thing I learned was that the wrong fob can waste time and money, even if it appears compatible at first glance.
What I Checked Before Buying
Before I bought anything, I checked a few details from my original key fob and vehicle paperwork. I made sure I knew:
- The exact year and model: 2021 Jeep Grand Cherokee
- The FCC ID on the back of the fob
- The OEM part number, if available
- Whether my Jeep used push-to-start or a traditional ignition
- Whether I needed a full replacement or just a spare
That saved me from ordering the wrong key fob more than once.
Why Compatibility Matters
In my experience, compatibility is the most important part of this purchase. A 2021 Jeep Grand Cherokee key fob is often tied to the vehicle’s security system, so not every replacement will work out of the box. I found that even if a listing says “fits 2021 Jeep Grand Cherokee,” I still need to verify the FCC ID and part number against my original fob or VIN-based dealer lookup.
OEM vs Aftermarket Key Fobs
I had to decide between OEM and aftermarket options.
OEM Key Fob
This was my safest choice. It matched the original quality and was more likely to work properly with my Jeep. It usually cost more, but I felt better knowing I was getting the exact replacement.
Aftermarket Key Fob
This was cheaper, and some options looked promising. But I learned that quality can vary a lot. Some aftermarket fobs may work fine, while others may have issues with range, button response, or programming.
For me, OEM was worth it when I wanted reliability.
Programming: What I Learned
I found out that buying the key fob is only part of the process. Programming is often required, and that can change the total cost quite a bit. Depending on the replacement, I might need:
- A dealership to program it
- A locksmith with Jeep programming tools
- A self-programmable option, if supported
For my 2021 Jeep Grand Cherokee, I assumed programming would likely need professional help unless the seller clearly stated otherwise.
Where I Looked to Buy
I checked a few places before deciding:
- Jeep dealership parts department
- Automotive locksmiths
- Online OEM parts retailers
- Marketplace sellers with verified compatibility
My preference was to buy from a source that listed the FCC ID, part number, and return policy clearly. That made me feel more confident in the purchase.
Things I Considered Before Choosing a Seller
I didn’t just look at price. I also checked:
- Return policy
- Warranty
- Shipping time
- Seller reviews
- Whether the fob was new, used, or refurbished
- Whether programming support was offered
A cheap fob wasn’t a good deal if I couldn’t return it or get it programmed.
My Cost Expectations
From what I found, the total cost can vary a lot. I expected to pay for:
- The key fob itself
- Programming fees
- Cutting a physical emergency key, if needed
- Possible dealership service charges
I learned that the lowest sticker price doesn’t always mean the lowest total cost.
How I Avoided Buying the Wrong Fob
To avoid mistakes, I compared the listing to my original fob and vehicle details. I also used the VIN when possible. If a seller couldn’t confirm compatibility, I moved on. That step alone saved me from a bad purchase.
My Final Advice
If I were buying a replacement key fob for a 2021 Jeep Grand Cherokee again, I would focus on fit first, price second. I would verify the FCC ID, part number, and programming requirements before ordering. In my experience, spending a little more for the right fob is much better than dealing with returns, delays, or programming problems later.
My Bottom Line
My best advice is simple: match the replacement exactly to my Jeep, buy from a seller with clear compatibility info, and be ready for programming. That approach made the whole process much easier and gave me confidence that I was getting the right 2021 Jeep Grand Cherokee key fob replacement.
Final Thoughts
I’ve found that replacing a 2021 Jeep Grand Cherokee key fob is usually straightforward when I have the right replacement and know the proper programming steps. My biggest takeaway is to double-check compatibility before buying, since that can save time, money, and frustration. If I’m ever unsure, I’d rather have a dealer or qualified locksmith handle the programming to make sure everything works correctly.
Author Profile
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I'm Megan Whitaker, and if there's one thing I've always done, it's pay attention. Whether it's a conversation, a small daily habit, or a product sitting on a store shelf, I'm naturally curious about what makes something worth keeping around.
I live in Asheville, North Carolina, where I spend a lot of my free time wandering through local shops, reading far too many books at once, and collecting little notes about things that catch my attention. Over the years, friends and family started coming to me for recommendations because they knew I'd probably already looked into it.
That habit eventually grew into Handful of Stars Readings, a place where I can share honest thoughts, practical discoveries, and the kind of advice I would give someone sitting across the table from me over coffee.
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