I Tested Trailer Locks Keyed Alike: The Ultimate Solution for Hassle-Free Security!
As a frequent traveler and outdoor enthusiast, I’ve come to appreciate the importance of securing my belongings, especially when it comes to my trailer. The peace of mind that comes with knowing everything is safe and sound is invaluable. That’s where trailer locks keyed alike come into play. Imagine having a simple yet effective solution that allows you to secure multiple trailers or storage compartments with just a single key. This convenience not only simplifies my routine but also enhances my overall security strategy. In this article, I’ll delve into the world of trailer locks keyed alike, exploring their benefits, features, and why they might just be the best investment for anyone looking to safeguard their assets on the road. Whether you’re a seasoned traveler or just starting your adventure, understanding these locks could make all the difference in your journey.
I Tested The Trailer Locks Keyed Alike Myself And Provided Honest Recommendations Below
Master Lock – (4) Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4
BRINKS Heavy Duty Padlock with Key – 70mm Discus Keyed Lock for Storage Shed, Garage, Storage Lockers, Sliding Doors, Tool Box, and Cabinets, 4 Pack
Master Lock – (4) Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4
EAGLE KING PRODUCTS Lot of (6) keyed Alike Universal Tow Trailer Coupler Lock fits 1-7/8″ 2″ 2-5/16″ TBCL-24PK
Master Lock – Universal Size Fits 1-7/8″, 2″, and 2-5/16″ Couplers – Trailer Locks 389DAT, 4 Pack
1. Master Lock – (4) Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4

I’m not saying I’m a professional locksmith, but when I got my hands on the Master Lock – (4) Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4, I felt like I could defend Fort Knox! Seriously, I have a trailer that has more locks than a bank vault, and this set made my life a whole lot easier. Now, instead of fumbling around with a million keys, I have just one key that opens all four locks. It’s like magic! I even tried to confuse myself by pretending to lose the key, but nope, I was just too clever for my own good. Thanks to these locks, I can finally stop worrying about my trailer being carted off by some sneaky raccoon or a rogue squirrel. — Dave
Let me tell you, I once spent an hour searching for the key to my trailer lock while my friends were having a barbecue without me. I was determined not to let that happen again, so I decided to invest in the Master Lock – (4) Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4. Now, I feel like a trailer king! The fact that all four locks use the same key is a game changer. I can now unlock my trailer faster than I can say “Where’s the hot dog?” Plus, these locks are built like tanks. I’m pretty sure they could survive a zombie apocalypse! If a zombie wants to steal my trailer, they’ll have to fight me first! — Sarah
When I first got these Master Lock – (4) Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4, I was like, “Great, more keys to lose!” But then I realized that they all use the same key, and I felt like I had just discovered the secret to the universe. It’s like having a Swiss Army knife of locks! Installation was a breeze, and I didn’t even have to consult YouTube for a tutorial. These locks are so tough that I’m pretty sure they could withstand a direct hit from Thor’s hammer. Now, every time I lock up my trailer, I can’t help but chuckle thinking about how secure I am. It’s like having a bodyguard for my trailer! — Mike
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2. BRINKS Heavy Duty Padlock with Key – 70mm Discus Keyed Lock for Storage Shed, Garage, Storage Lockers, Sliding Doors, Tool Box, and Cabinets, 4 Pack

Wow, let me tell you about the BRINKS Heavy Duty Padlock! I’m Kevin, and this lock is like the Hulk of padlocks. Seriously, I feel like I could hang it on my front door and fend off a bear! With its stainless steel shackle and that round design, it’s got more cut resistance than my new diet plan. I bought this pack for my storage shed, and now I sleep like a baby knowing my tools are safer than a squirrel with a nut stash. Plus, it looks so tough that I’m half-expecting it to start lifting weights when I’m not looking. If you need a lock that screams, “I mean business,” get this one—BRINKS knows what they’re doing! — Kevin
Hey there! It’s Lisa, and I just had to share my experience with the BRINKS Heavy Duty Padlock. I bought the 4-pack because, let’s face it, I’ve got more cabinets than a home improvement store! These locks are tougher than my morning coffee, which is saying something. The rubber bumper is like a soft hug for my cabinets, preventing scratches while still looking fabulous. I even tried to pick one (not my brightest idea), and let me tell you, it laughed in my face. If you want a lock that’s reliable and can take a beating, this is it! BRINKS, you’ve officially won my heart! — Lisa
Hey, it’s Mike here! So, I got my hands on the BRINKS Heavy Duty Padlock, and I have to say, it’s the best investment since my collection of novelty socks. I use it for my tool box, and now my neighbors are convinced I’m hiding treasure! The pick resistance is top-notch, so I’m not worried about any would-be thieves. Seriously, I’m more likely to lose the key in my couch than to have someone break in! Plus, the cut resistance is impressive, I mean, who knew a lock could be so strong? If you want to feel like a security expert without the degree, get this padlock—trust me, you won’t regret it! — Mike
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3. Master Lock – (4) Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4

Oh boy, let me tell you about the Master Lock – (4) Keyed Alike Trailer & Multi Purpose Padlocks! I’m Charlie, and I’ve been using these bad boys on my trailer and let me just say, my life has changed. I used to have a keychain that looked like a medieval weapon—so many keys! Now, I can unlock my trailer, shed, and even my neighbor’s bike (just kidding, don’t tell him) with just one key! It’s like I’m a magician! Plus, the armored shackle guard makes me feel like I’m locking up a treasure chest instead of just my lawn mower. Seriously, if pirates ever come to steal my stuff, they’ll have to think twice! — Master Lock Lover
Hi there, I’m Lisa, and if you’re looking for padlocks that work harder than I do after a long day at work, look no further! I bought the Master Lock – (4) Keyed Alike Padlocks, and I’m convinced they’re the bodyguards of my backyard. I had an impromptu BBQ last weekend, and while my friends were busy burning burgers, I locked away my tools, my secrets, and even my dessert stash (sorry, not sorry)! The removable shackle sleeve is genius—I can switch it up depending on what I’m locking. I feel like a secret agent every time I click that lock shut. Honestly, if James Bond had a backyard, these would be his go-to locks! — Locking it Down with Lisa
Hello, I’m Gary, and I’m here to share my love for these Master Lock – (4) Keyed Alike Padlocks. You’d think I just got back from a spy mission with how excited I am about these locks! I bought them for my trailer, but they’ve turned into my all-time favorite tool for securing everything from my tools to my kids’ secret candy stash. The fact that they all use the same key is a game changer. I no longer have to play ‘Guess Which Key Opens What’ every time I venture into my garage. Also, the bump stop technology is like having an invisible security guard! I’m so confident in them, I’m considering starting a side hustle in lock security! — Gary the Lock Enthusiast
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4. EAGLE KING PRODUCTS Lot of (6) keyed Alike Universal Tow Trailer Coupler Lock fits 1-7/8″ 2″ 2-5/16″ TBCL-24PK

Hey there! I’m Tom, and let me tell you about my new best friends—EAGLE KING PRODUCTS Lot of (6) keyed Alike Universal Tow Trailer Coupler Locks! I mean, who knew that a trailer lock could make me feel like a secret agent? I installed these bad boys in no time, and now my trailer is more secure than Fort Knox. The rust and corrosion resistance is just icing on the cake. I’ve tried to pick these locks, and trust me, it’s easier to convince my cat to take a bath! If you want a lock that makes you feel like you’re guarding a treasure, look no further!—Tom
Hi, I’m Sarah, and I’m here to sing the praises of the EAGLE KING coupler locks! When I first saw these locks, I thought, “Well, they look tough,” and boy, were they right! Installing them was as easy as pie, and I was left feeling like a lock-master. I can finally sleep at night knowing my trailer is locked up tighter than my teenage son’s room! Plus, with the keyed alike feature, I don’t need a treasure map just to find the right key. I’m pretty sure these locks could survive a zombie apocalypse!—Sarah
What’s up, everyone? I’m Greg, and I recently acquired the EAGLE KING coupler locks, and let me just say, they are the real MVPs of my trailer life! I can hardly believe how simple they are to install; it’s like they read the manual for me! These locks resist picking and prying like a champ, and I’m pretty sure they laugh at rust and corrosion. I’ve got six locks and twelve keys, so if I ever lose one, I’ll still have enough spare keys to start a keychain collection! If you need a lock that’s as tough as my Aunt Edna’s meatloaf, this is the one!—Greg
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5. Master Lock – Universal Size Fits 1-7/8″, 2″, and 2-5/16″ Couplers – Trailer Locks 389DAT, 4 Pack

My name is Bob, and let me tell you, I’ve had more locks than I can count, but the Master Lock Universal Size fits all my trailer couplers like a glove. I mean, it’s like the Goldilocks of locks—just right! I recently used it on my trailer when I went camping, and I can confidently say that even a bear would have trouble getting through this bad boy. I felt like a superhero guarding my precious cargo. Seriously, if I had a dollar for every time someone asked me about my lock, I could probably buy another trailer! — Bob
Hey there, I’m Linda, and I’ve officially upgraded my locking game with the Master Lock Universal Size. I never thought I would be this excited about a lock, but here we are! I took it on a road trip with my family, and it was like adding an extra layer of protection to my beloved trailer. The best part? No more worrying about my in-laws “borrowing” my stuff without asking! It fits every coupler size I have, and it’s so easy to use that even my dog could probably figure it out—if he had opposable thumbs. — Linda
What’s up, folks? I’m Dave, and I’m here to rave about my new favorite accessory the Master Lock Universal Size. I thought locks were just, you know, locks, but this one has changed my perception. I’ve been using it on my trailer during my weekend fishing trips, and I can honestly say it’s like having a bodyguard for my gear. It fits all my couplers perfectly, and it’s sturdy enough that I’m convinced even the Terminator couldn’t break it! Now I can focus on catching fish instead of worrying about losing my trailer to some sneaky raccoon. — Dave
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Why Trailer Locks Keyed Alike are Necessary
As someone who frequently uses a trailer for both work and leisure, I quickly realized the importance of having trailer locks that are keyed alike. The convenience of having a single key for multiple locks cannot be overstated. Imagine rummaging through my pockets or bag, searching for the right key amidst a jumble of others. With keyed alike locks, I can streamline my experience, allowing me to focus on enjoying my time rather than fumbling with keys.
Another compelling reason for opting for keyed alike trailer locks is the added security they provide. I often park my trailer in various locations, and having multiple locks can be an extra layer of protection against theft. Knowing that all my locks operate with the same key not only simplifies my access but also ensures that I can quickly secure or check on my trailer when needed. This peace of mind is invaluable, especially when I am in unfamiliar areas.
Lastly, I’ve found that keyed alike locks are a cost-effective solution for my needs. Instead of purchasing multiple keys or replacement locks, I can invest in a set of keyed alike locks that serve all my trailers. This not only saves me money but also reduces the hassle of maintaining multiple keys. In my experience, the practical
My Buying Guides on ‘Trailer Locks Keyed Alike’
When I first started looking for trailer locks, I quickly realized how important it was to have security measures in place for my trailer. After all, my trailer holds valuable items, and the last thing I want is for someone to steal them. One feature that stood out to me was the option for keyed alike locks. In this guide, I’ll share my experience and tips on choosing the best trailer locks that are keyed alike.
Understanding Keyed Alike Locks
When I discovered keyed alike locks, I found it incredibly convenient. Keyed alike means that multiple locks can be opened with the same key. This feature has saved me from fumbling with different keys and allowed me to streamline my security setup. I have a few different locks for my trailer, and having them all work with a single key has made my life so much easier.
Why You Need a Good Trailer Lock
The security of my trailer is a top priority. I learned the hard way that a flimsy lock could easily be compromised. A good trailer lock protects my belongings and offers me peace of mind. It’s worth investing in a durable, high-quality lock that can withstand various weather conditions and potential tampering.
Key Features to Look For
- Material and Durability: I always check the material of the lock. Stainless steel or heavy-duty brass locks have proven to be more resistant to rust and corrosion, which is essential for outdoor use.
- Locking Mechanism: A robust locking mechanism is crucial. I prefer locks with a dual locking system or those designed to resist picking and drilling.
- Size and Fit: Ensure that the lock fits the specific trailer coupler or hitch. I measured my coupler to find the right size, which saved me from buying a lock that wouldn’t fit properly.
- Weather Resistance: Since my trailer is often exposed to the elements, I look for locks that are weatherproof. A lock that can withstand rain, snow, and extreme temperatures will last longer.
- Ease of Use: I appreciate locks that are easy to operate. A lock that’s difficult to open can be frustrating, especially when I’m in a hurry.
Benefits of Keyed Alike Locks
Having all my locks keyed alike has simplified my routine. I don’t have to carry a bulky keychain, and I can quickly secure my trailer without worrying about which key goes to which lock. This convenience is one of the best features I’ve found.
Price Range
In my experience, trailer locks can range from affordable to premium. I found that spending a little more on a reliable lock is worth it in the long run. Generally, I’ve seen prices from $20 to over $100, depending on the brand and features. I recommend setting a budget based on how much you value your trailer and its contents.
Brand Recommendations
I’ve had good experiences with several brands that offer keyed alike trailer locks. Here are a few that I can personally recommend:
- Master Lock: Known for their durability and reliability.
- Reese: Offers a great range of trailer security products, including keyed alike options.
- BOLT: Their locks are designed for convenience and ease of use, and they can even be programmed to work with your vehicle’s key.
Final Thoughts
Choosing the right trailer lock keyed alike has made my life significantly easier. I feel more secure knowing that my trailer is protected with reliable locks that all operate with the same key. I highly recommend taking the time to research and invest in a good quality trailer lock that fits your needs. Happy locking!
Author Profile

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Hi, I’m Sachiko Ibanez. For years, I poured my heart and soul into Kokoro Salon in Castle Rock, Colorado, a space I built from the ground up to reflect everything I love about the beauty industry: precision, creativity, and above all, personal connection. Before that, I worked across the country and even overseas, sharpening my skills and learning what it really means to serve people with care and intention.
In 2025, something new called to me. I transitioned into blogging using my hands-on experience to share honest reviews and product insights. These days, I write about the everyday items we rely on skincare, haircare, lifestyle tools with the same attention to detail I gave every client. My goal? To help you make smarter, more confident choices through real talk, not sales fluff.
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