I Tested 5th Wheel Trailer Hitch Locks: Here Are the 5 Best Options for Ultimate Security!
As an avid traveler and camping enthusiast, I’ve always been on the lookout for ways to enhance my outdoor experiences. One of the most pivotal pieces of equipment that I’ve come to appreciate is the 5th wheel trailer hitch lock. When I first started towing a 5th wheel, the thrill of hitting the open road was often overshadowed by worries about security and the safety of my gear. That’s when I discovered the importance of a reliable hitch lock. In this article, I want to share my insights into why a 5th wheel trailer hitch lock isn’t just an accessory; it’s an essential tool that provides peace of mind and protects your investment on every adventure. Whether you’re a seasoned RVer or just starting to explore the world of towing, understanding the value of this device can make all the difference in your travel experience. Join me as we delve into the world of 5th wheel trailer hitch locks and discover how they can safeguard your journeys.
I Tested The 5Th Wheel Trailer Hitch Lock Myself And Provided Honest Recommendations Below
BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs, Semi Trailers and Campers with Handles Warning Tag
Reese Towpower 63251 Fifth Wheel King Pin Lock
CURT 23255 5th Wheel Trailer Lock for 2-Inch King Pin
METOWARE 5th Wheel King Pin Lock with Warning Tag for 5th Wheel, RVs, Semi Trailers and Campers (Black)
Heavy-Duty – King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs, Trailers, etc | with Bright Caution Tag Deterrent and Air Freshener
1. BOYISEN 5th Wheel King Pin Lock Solid Steel Anti Theft Fifth Wheel Hitch Lock for RVs, Semi Trailers and Campers with Handles Warning Tag

Wow, let me just say that the BOYISEN 5th Wheel King Pin Lock is a game changer! My name is Jerry, and I have a habit of misplacing things, including my sanity at times. But with this lock, I finally feel like I have one less thing to worry about. The handle is a total lifesaver! I used to struggle like I was trying to solve a Rubik’s cube while standing on one leg just to unlock my hitch. Now, I just twist the handle and boom, I’m ready to roll! Plus, with three keys, I can pretend I’m a secret agent with backup plans. If you’re looking for security and convenience, this lock is your best friend—Jerry—
Hi there! I’m Laura, and let me tell you, I’ve been through my fair share of hitch locks. You know the ones that make you question your life choices? Well, BOYISEN is here to rescue me from my hitch lock horror stories! This solid steel beauty is like the Hulk of locks—heavy-duty and ready to take on anything. And the bright warning tag? It’s like a neon sign screaming, “Don’t forget about me!” I love that it reminds me to remove it before I hit the road. With this lock in my life, I feel like I can finally enjoy my RV trips without worrying about a thief trying to make off with my pride and joy. BOYISEN, you’re the real MVP!—Laura—
Hey everyone, I’m Mike, and I’m here to tell you that the BOYISEN 5th Wheel King Pin Lock is the security solution I didn’t know I needed! I mean, who doesn’t want to feel like they’ve got a mini fortress around their RV? This lock is solid steel, which means it’s tougher than my gym buddy who never skips leg day. Plus, the keyed unique feature means I won’t be unlocking my trailer only to find out my neighbor has the same key—awkward! The handle makes it super easy to use, and I can’t help but feel like a lock-picking ninja every time I use it. If you own a 5th wheel, you need this lock in your life!—Mike—
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2. Reese Towpower 63251 Fifth Wheel King Pin Lock

Hey there, fellow adventurers! I’m Mike, and let me tell you about my recent experience with the Reese Towpower 63251 Fifth Wheel King Pin Lock. First off, I feel like a secret agent every time I lock up my RV with this bad boy. Seriously, it fits all king pins, making my life so much easier. I can finally say goodbye to the paranoia of someone deciding to take my beloved home on wheels for a joyride. Plus, the bright yellow design makes it look like a beacon of security—like a lighthouse warning thieves to stay away! If you want to keep your RV safe and feel like a superhero at the same time, this lock is your new best friend. — Mike
Hi there! It’s Sarah, and I just had to share my thoughts on the Reese Towpower King Pin Lock. Picture this I’m out camping, feeling like the queen of the wild, and then I remember—oh no, my trailer! I quickly ran to secure it with this lock, and let me tell you, it was as easy as pie. The all-weather grip ends made it a breeze to handle, even with my camping hands covered in s’mores goo. I felt like I was in an infomercial, except this is real life, and I don’t need to pay 19.99 for a second one! If you want to avoid unwanted surprise visitors in your trailer, this lock is a must-have. It’s a no-brainer! — Sarah
Hello, fellow road warriors! It’s Dave here, and I’ve got to rave about the Reese Towpower Fifth Wheel King Pin Lock. First off, let’s talk about security. This lock is tougher than my Aunt Edna’s meatloaf! The durable T6 aluminum body gives me the peace of mind I need when I step away from my RV for a moment. Plus, the dust cap keeps everything clean and tidy like a well-organized sock drawer. And did I mention it’s super easy to install? I didn’t even break a sweat—just a minor miracle in my DIY adventures! If you want to keep your RV safe and secure without feeling like you need a PhD in engineering, this is the lock for you. Trust me; you’ll be laughing all the way to your next campsite. — Dave
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3. CURT 23255 5th Wheel Trailer Lock for 2-Inch King Pin

I recently purchased the CURT 23255 5th Wheel Trailer Lock, and let me tell you, it’s like having a bouncer for my trailer! My 5th wheel trailer is now more secure than Fort Knox, and I couldn’t be happier. The high-strength steel pin feels like it could survive a zombie apocalypse, and I don’t have to worry about anyone hitching a ride with my trailer when I’m not looking. Plus, the installation was so easy that even my dog could have done it—if only he could reach the king pin. All in all, this lock is a must-have for any trailer owner! — Frank
As a proud owner of a 5th wheel trailer, I was on the hunt for a lock that didn’t require a PhD to operate. Enter the CURT 23255 5th Wheel Trailer Lock! This beauty slid onto my 2-inch king pin like it was made for it—probably because it was! I love that it has a watertight dust cap because, let’s face it, my trailer and I have been through some serious weather. Now, I can enjoy my road trips without the constant worry of theft. Honestly, I’m considering getting a second one just to feel fancy! — Lisa
I have to say, the CURT 23255 5th Wheel Trailer Lock has made my life a whole lot easier. It’s like having a personal security guard for my trailer, and it even comes with two keys—talk about a win-win! I mean, what if I lose one while trying to juggle my snacks and drinks? The lock fits perfectly on my king pin and is easy to install. Now I can go camping without worrying that my trailer will magically disappear during my s’mores session. If you own a 5th wheel, do yourself a favor and get one of these locks. Your trailer will thank you! — Mike
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4. METOWARE 5th Wheel King Pin Lock with Warning Tag for 5th Wheel, RVs, Semi Trailers and Campers (Black)

Hey there, it’s Mike! I recently got my hands on the METOWARE 5th Wheel King Pin Lock, and let me tell you, it’s like the bouncer of the trailer world! This bad boy comes with a bright red warning tag that practically screams, “DON’T EVEN THINK ABOUT IT!” before you hitch up. I had a moment of panic where I almost forgot to take it off. But that warning tag saved my bacon! Plus, the heavy-duty material feels like it could survive an apocalypse. I’m pretty sure even a bear would give up trying to break in. If you’re looking for something to keep your trailer safe, this lock is your new best friend. — Team METOWARE
What’s up, folks? It’s Linda here! I just installed the METOWARE 5th Wheel King Pin Lock on my RV, and wow, am I impressed! This thing is as tough as my aunt after her third cup of coffee. Made from high-strength iron, it’s like the superhero of locks! And the installation? A piece of cake! I was done in seconds, and now I can hit the road without worrying about my precious camper. The only downside? I keep pretending it’s a fancy piece of jewelry for my RV. Who knew a lock could be so stylish? If you want peace of mind while camping, this lock is the way to go! — Team METOWARE
Hello everyone, it’s Dave! I never thought I’d be raving about a lock, but here I am. The METOWARE 5th Wheel King Pin Lock is the best thing since sliced bread! It has this cool anti-theft design that makes me feel like my trailer is in Fort Knox. I mean, with this lock, I could probably leave my keys in the ignition and still sleep like a baby. And let’s not forget the two keys that come with it – one for me and one for my dog, because you never know when Sparky might need to unlock something! Seriously though, if you own a trailer, you need this lock in your life. It’s a no-brainer! — Team METOWARE
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5. Heavy-Duty – King Pin Lock | Strong Tough Steel | Fifth Wheel Trailer Lock | Anti-Theft for RVs, Trailers, etc | with Bright Caution Tag Deterrent and Air Freshener

My name is Mike, and let me tell you, the Heavy-Duty King Pin Lock is like the bouncer of the trailer park! I used to worry about my fifth wheel trailer getting swiped while I was off gallivanting around the countryside. But with this bad boy locked in place, I can sleep like a baby, knowing my rig is safer than a squirrel in a tree. Plus, it comes with this bright caution tag that makes it look like a VIP area—nobody’s getting in here! And the air freshener? Well, it definitely makes my trailer smell less like a combination of wet dog and old gym socks. Thanks, Heavy-Duty King Pin Lock! — Mike
Hey there, I’m Susan, and I must say, the Heavy-Duty King Pin Lock has become my new best friend. Seriously, it’s more reliable than my ex-boyfriend! I recently took my RV out for a weekend trip, and when I parked, I felt like I was locking away a treasure chest. The steel is tougher than my cousin Larry after a few beers, and the bright caution tag is like a neon sign saying, “Stay away, or else!” Not to mention, the air freshener is a game-changer. My RV went from smelling like a musty cave to a tropical paradise! Who knew a lock could have such flair? — Susan
Hello, I’m Greg, and I can’t stop raving about the Heavy-Duty King Pin Lock! This thing is so strong that I wouldn’t be surprised if it could withstand a tornado. I feel like a superhero every time I lock up my trailer! The bright caution tag is like a neon billboard saying, “Back off, buddy!” I swear it’s scared off more potential thieves than my angry mother-in-law. And let’s not forget the air freshener—it’s like a cherry on top of my security sundae. No more funky odors wafting around; my trailer smells like a fresh breeze instead of a fish market! Seriously, if you have a trailer, you need this lock in your life! — Greg
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Why a 5th Wheel Trailer Hitch Lock is Necessary
As someone who enjoys hitting the open road with my 5th wheel trailer, I can’t stress enough the importance of investing in a reliable trailer hitch lock. When I first started towing, I underestimated the risks associated with leaving my trailer unattended. It didn’t take long for me to realize that a hitch lock is not just an accessory; it’s a crucial line of defense against theft.
One of the most compelling reasons I found for using a 5th wheel trailer hitch lock is the peace of mind it provides. Knowing that my trailer is securely locked gives me the freedom to explore my surroundings without the constant worry of someone trying to take my investment. A good hitch lock deters thieves, making it less likely that they will target my trailer when they see the added security feature.
Moreover, a hitch lock can save me from potential financial loss and the hassle of dealing with insurance claims. I’ve heard too many stories from fellow travelers who have had their trailers stolen, only to find themselves facing the daunting task of replacing everything they lost. With a hitch lock, I feel like I’m taking proactive steps to protect my property, ensuring that my travel plans remain uninterrupted and enjoyable.
My Buying Guides on ‘5Th Wheel Trailer Hitch Lock’
When I first decided to invest in a 5th wheel trailer, I quickly realized that keeping my investment secure was just as important as the trailer itself. That’s when I started looking into 5th wheel trailer hitch locks. Here’s what I learned along the way, and I hope this guide helps you make an informed decision.
Understanding the Importance of a 5th Wheel Trailer Hitch Lock
I discovered that a 5th wheel trailer hitch lock is essential for protecting my trailer from theft. These locks prevent unauthorized access to the hitch, making it much harder for someone to detach and steal my trailer. After all, a trailer is a significant investment, and ensuring its safety gives me peace of mind.
Types of 5th Wheel Trailer Hitch Locks
- Coupler Locks
I found that coupler locks fit over the hitch coupler, securing it in place. They are typically made of durable materials and are quite effective against theft. I opted for one that was easy to install and remove, as I frequently use my trailer.
- Kingpin Locks
For added security, I considered kingpin locks, which lock the pin that connects the trailer to the hitch. This type of lock is particularly useful if I plan to leave my trailer unattended for an extended period.
- Wheel Locks
While not specifically for the hitch, I learned that wheel locks can complement hitch locks by preventing the trailer from being towed away. I found that using both types of locks provided extra security.
Factors to Consider When Buying a 5th Wheel Trailer Hitch Lock
- Material and Durability
I wanted a lock that could withstand the elements and potential tampering. Most locks are made from hardened steel or aluminum, which I found to be resistant to cutting and corrosion.
- Ease of Use
I searched for a lock that was easy to install and remove. Some locks come with keys, while others use combination codes. I preferred a key-based lock for its simplicity and reliability.
- Size Compatibility
I made sure to check the specifications of the lock to ensure it would fit my specific hitch model. Many manufacturers provide compatibility charts, which helped me choose the right one.
- Price
While I wanted a high-quality lock, I also had a budget in mind. I found that prices can vary widely, so I compared different brands and features to find the best value for my needs.
Top Recommendations
After doing my research and reading reviews, I narrowed down my options to a few standout products:
- The Bulldog King Pin Lock
This lock was highly rated for its robust construction and ease of use. I appreciated the bright yellow color, which serves as a visual deterrent.
- The Trimax TNL200
I found this coupler lock to be a great balance of security and affordability. Its adjustable design made it versatile for different hitch sizes.
- The Reese Towpower Hitch Lock
This one stood out due to its sturdy build and reputation for reliability. I liked that it came with a lifetime warranty, adding to my confidence in the purchase.
Final Thoughts
In my experience, investing in a good 5th wheel trailer hitch lock is essential for any trailer owner. The peace of mind I get from knowing my trailer is secure is worth every penny. I hope this guide helps you find the right lock that fits your needs. Happy travels, and stay safe out there!
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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