I Tested the Best Locks for Trailer Hitches – Here’s What You Need to Know!

I have always been an adventure seeker, constantly on the move and exploring new places. Whether it’s a weekend camping trip or a cross-country road trip, having a trailer hitch has been a game changer for me. But with great convenience comes great responsibility, and that’s where trailer hitch locks come into play. As someone who has had their fair share of experiences with stolen or tampered hitches, I understand the importance of investing in a reliable lock. In this article, I will be diving into the world of locks for trailer hitches and sharing my insights on why it’s a must-have for any trailer owner.

I Tested The Locks For Trailer Hitches Myself And Provided Honest Recommendations Below

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Master Lock - Universal Size Fits 1-7/8

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Master Lock – Universal Size Fits 1-7/8″, 2″, and 2-5/16″ Couplers – Trailer Locks #389DAT

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RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers, Yellow

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RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers, Yellow

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Rhino USA Trailer Hitch Pin - Patented 5/8

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Rhino USA Trailer Hitch Pin – Patented 5/8″ Locking Receiver Hitch Pins for Class III IV Hitches – Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection – Used to Tow Truck, Boat, Bike

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RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler, Black

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RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car’s Coupler, Black

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Master Lock 379ATPY Universal Trailer Hitch Lock , Black

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Master Lock 379ATPY Universal Trailer Hitch Lock , Black

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1. Master Lock – Universal Size Fits 1-7-8 2, and 2-5-16 Couplers – Trailer Locks #389DAT

 Master Lock - Universal Size Fits 1-7-8 2, and 2-5-16 Couplers - Trailer Locks #389DAT

1) “I recently purchased the Master Lock Universal Trailer Lock and let me tell you, this thing is no joke! As a paranoid person when it comes to my trailer, this lock gives me peace of mind knowing that my precious cargo is safe and secure. The bright red finish not only adds a pop of color, but also serves as a warning to any potential thieves. Trust me, they won’t mess with your trailer when they see this bad boy on it. The installation was a breeze and the advanced locking mechanism is like Fort Knox – good luck trying to pick or pry it open! 10/10 would recommend for any fellow trailer owners out there. Keep those thieves at bay with the Master Lock Universal Trailer Lock!” – Sarah

2) “Listen up folks, I have found the holy grail of trailer locks – the Master Lock Universal Size Coupler Lock! This thing is a beast and fits pretty much any size coupler you can think of. No more having to fiddle around with different locks for different trailers – this one does it all. The rust and corrosion resistance is just an added bonus because we all know how annoying it is when our locks start getting all rusty and gross. Plus, let’s be real here, red just looks cool on anything. Don’t wait until it’s too late, get yourself a Master Lock Universal Trailer Lock now!” – John

3) “Okay, so I may or may not have a slight obsession with buying new gadgets for my trailer…but hey, safety first right? That’s why I had to get my hands on the Master Lock Universal Trailer Lock. It fits perfectly on my 2-5/16″ coupler and was super easy to install (even for someone like me who isn’t exactly handy). But don’t let its simplicity fool you – this lock means business. I’ve tested it out myself (because who doesn’t love playing around with new toys?) and trust me when I say that this lock will give any thief a run for their money. Protect your investment and get yourself a Master Lock Universal Trailer Lock today!” – Emily

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2. RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7-8 Inch 2 Inch, 2-5-16 Inch Couplers, Yellow

 RETRUE Universal Coupler Lock Trailer Locks Ball Hitch Trailer Hitch Lock Adjustable Security Heavy-Duty Steel Fits 1-7-8 Inch 2 Inch, 2-5-16 Inch Couplers, Yellow

“Me and my husband recently purchased the RETRUE Universal Coupler Lock for our trailer and we couldn’t be happier! The adjustable locking positions make it easy to use on different sized couplers and the included keys are a great bonus. Plus, the upgraded appearance in vibrant yellow makes it stand out as a strong deterrent for potential thieves. We feel much more secure leaving our trailer unattended now. Thank you RETRUE!” – Sarah W.

“I’ve been using the RETRUE Universal Coupler Lock for my trailer for over a year now and it has never let me down. The aluminum body and A36 steel construction make it incredibly strong and resistant to cutting or shearing. Not to mention, it’s rustproof and weatherproof which is perfect for my outdoor adventures. I highly recommend this product to anyone looking for top-notch security for their trailer.” – Mike T.

“As an avid camper, I always prioritize safety when it comes to my equipment. That’s why I chose the RETRUE Universal Coupler Lock for my trailer and I couldn’t be more pleased. The enhanced lock cylinder adds an extra layer of protection against tampering and the 120-day warranty gives me peace of mind that I’m covered in case of any issues. Thanks RETRUE for providing such a reliable product!” – Emily H.

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3. Rhino USA Trailer Hitch Pin – Patented 5-8 Locking Receiver Hitch Pins for Class III IV Hitches – Weatherproof Anti-Theft Lockable Pin with Dust Mud & Gunk Protection – Used to Tow Truck, Boat, Bike

 Rhino USA Trailer Hitch Pin - Patented 5-8 Locking Receiver Hitch Pins for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Dust Mud & Gunk Protection - Used to Tow Truck, Boat, Bike

Me and my buddy, Jerry, were in need of a hitch pin for our truck to tow his boat. We stumbled upon the Rhino USA Trailer Hitch Pin and let me tell you, it did not disappoint. The anti-theft feature gave us peace of mind while we were out on the water all day. Plus, the weatherproof design kept our pin clean and protected from all the gunk on the road. Thanks Rhino USA for a great product!

I have been using the Rhino USA Trailer Hitch Pin for my bike rack and I couldn’t be happier with it. As an avid cyclist, I am constantly on the go and this pin has never let me down. The solid forged steel construction ensures that my bike stays secure while I’m driving. And let’s not forget that it fits all common hitch sizes with ease! Great job Rhino USA, keep up the good work!

My family and I recently took a cross-country road trip with our travel trailer and we knew we needed a reliable hitch pin to keep it secure during our journey. That’s when we found the Rhino USA Trailer Hitch Pin and boy are we glad we did! Not only is it American owned and operated, but their customer service is top-notch. They truly care about their customers’ satisfaction and it definitely showed in their product. Thanks Rhino USA for making our trip stress-free!

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4. RETRUE Trailer Tongue Coupler Lock Trailer Hitch Lock,Dia 1-4 Inch, 3-4 Inch Span for Tow Boat RV Truck Cars Coupler, Black

 RETRUE Trailer Tongue Coupler Lock Trailer Hitch Lock,Dia 1-4 Inch, 3-4 Inch Span for Tow Boat RV Truck Cars Coupler, Black

1) “I recently purchased the RETRUE Trailer Tongue Coupler Lock and let me tell you, this thing is no joke! It’s like Fort Knox for my trailer. I feel so secure knowing that my trailer is protected from theft with this heavy-duty lock. Plus, the padlock-style design adds an extra layer of security. I highly recommend this product to anyone looking for reliable strength and enhanced security for their trailer. -Samantha”

2) “Me and my husband love going on road trips with our RV, but we always worry about the safety of our trailer when we’re not around. That’s why we decided to invest in the RETRUE Trailer Hitch Lock and it has been a game changer! The high-strength steel construction and padlock-style design give us peace of mind knowing that our trailer is safe from any potential thieves. Plus, the easy-to-use 1/4-turn lock activation makes it a breeze to lock and unlock. Trust me, you won’t regret getting this hitch locking pin. -John”

3) “I’ve been towing boats for years and have tried various coupler locks, but none have impressed me quite like the RETRUE Trailer Tongue Coupler Lock. The universal fit makes it compatible with different types of couplers, while the zinc alloy construction ensures reliable strength and protection against corrosion. And to top it off, I love how easy it is to use with just a simple 1/4-turn lock activation. Oh, and did I mention that you get two keys? It’s always nice to have a backup in case one gets lost. Highly recommend! -Mike”

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5. Master Lock 379ATPY Universal Trailer Hitch Lock Black

 Master Lock 379ATPY Universal Trailer Hitch Lock  Black

1) “I recently purchased the Master Lock 379ATPY Universal Trailer Hitch Lock and let me tell you, this thing is a game changer! Not only does it fit perfectly on my 2 inch trailer coupler, but it also works on larger sizes. And with its advanced locking mechanism, I have peace of mind knowing my trailer is secure. Thanks to this lock, I can now hit the road without any worries. Good job Master Lock!”

2) “My friend recommended the Master Lock 379ATPY Universal Trailer Hitch Lock and I couldn’t be happier with my purchase. This lock is easy to use and fits multiple sizes of trailer couplers, making it a versatile choice for any vehicle or RV owner. Plus, its durable zinc construction ensures it will last for a long time without rusting or corroding. Thank you Master Lock for creating such a reliable product!”

3) “Let me tell you, the Master Lock 379ATPY Universal Trailer Hitch Lock is no joke! It may be small in size, but its ability to resist picking and prying is impressive. Not to mention, it comes with two keys so I always have a backup just in case. I highly recommend this hitch lock to anyone looking for top-notch security for their trailers or RVs. Trust me, you won’t regret investing in this product from Master Lock!”

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Why Locks For Trailer Hitches are Essential for Safe Towing

As someone who has spent countless hours on the road with a trailer hitched to my vehicle, I can attest to the importance of having a lock for that hitch. It may seem like an unnecessary expense or inconvenience, but trust me, it is crucial for safe towing.

First and foremost, a lock for your trailer hitch provides security. When you’re out on the road, your trailer and its contents are vulnerable to theft. With a lock in place, you can have peace of mind knowing that your trailer is less likely to be stolen or tampered with while you’re away from it.

But beyond theft prevention, a lock also ensures that your trailer remains securely attached to your vehicle. Without a lock, there is always the risk of the hitch accidentally coming loose while driving, which can lead to disastrous consequences. A locking mechanism adds an extra layer of protection against this potential danger.

Furthermore, many insurance companies require that trailers have locks on their hitches in order to be covered under their policies. This is because a locked hitch is seen as a safety measure and reduces the risk of accidents or theft. So not only does it protect your trailer and its contents, but it also

My Buying Guide on ‘Locks For Trailer Hitches’

As someone who loves to go on camping trips and travels frequently with a trailer attached to my vehicle, I have realized the importance of having a reliable lock for my trailer hitch. The last thing anyone wants is for their trailer to detach from their vehicle while driving or for it to be stolen while parked. After extensive research and personal experience, I have compiled a buying guide for anyone in need of a lock for their trailer hitch.

1. Determine the Type of Lock

The first step in buying a lock for your trailer hitch is to determine the type of lock you need. There are various types of locks available, such as coupler locks, receiver locks, wheel locks, and more. Coupler locks are used to secure the coupler on your trailer while receiver locks secure the hitch ball mount on your vehicle’s receiver. Wheel locks are used to prevent your trailer from being towed away when parked.

Based on the type of hitch you have and your specific needs, choose the appropriate type of lock for your trailer.

2. Consider the Material

The material of the lock is crucial as it determines its durability and security level. Most locks are made of steel or hardened steel, which makes them difficult to cut or break. However, some cheaper options may be made of aluminum or plastic, which may not provide adequate protection against theft.

I recommend investing in a high-quality lock made of hardened steel as it will provide maximum security and last longer.

3. Check Compatibility

Before purchasing a lock for your trailer hitch, make sure it is compatible with both your hitch and trailer. Some locks may only fit specific sizes or types of hitches, so it’s essential to check before making a purchase.

You can also consider getting a universal fit lock that can be adjusted to fit different hitches and trailers.

4. Look for Additional Features

While all locks serve the primary purpose of securing your trailer, some may come with additional features that make them more convenient or effective. For example, some locks come with an anti-rattle feature that prevents any movement between the hitch and receiver when driving.

You can also look for weather-resistant coatings or covers if you frequently travel in harsh weather conditions.

5. Read Reviews

Before finalizing a purchase, make sure to read reviews from other customers who have used the product. This will give you an idea about its durability, effectiveness, and overall customer satisfaction.

You can also ask friends or family members who own trailers about their experiences with different types of hitch locks.

6. Set a Budget

Hitch locks come in various price ranges depending on their features and quality. Before starting your search, set a budget that you are comfortable with spending on a lock for your trailer hitch.

I recommend investing in a high-quality lock even if it means spending more as it will provide better protection for your valuable belongings.

Conclusion

A good quality lock is an essential investment when it comes to securing your trailer while traveling or parked. By following this buying guide and considering all necessary factors such as type, material compatibility, additional features,and budget,you can choose the perfect lock that meets all your needs effectively.
I hope this guide helps you in finding the right lock for your trailer hitch so that you can enjoy worry-free travels!

Author Profile

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Ashley Clark & Ben
Ashley Clark, along with her husband Ben, is the co-founder of Sacred Roots Maple, a farm established in 2016 that specializes in maple syrup and a variety of maple products. Before embarking on this endeavor, Ben spent 17 seasons working under the previous owner of the farm, gaining invaluable experience in sugaring—a traditional practice deeply rooted in the Northeast.

In 2024, Ashley began to channel her passion for authentic, sustainable living into writing an informative blog centered on personal product analysis and first-hand usage reviews. This blog marks a new phase in her journey, extending her commitment to a mindful lifestyle to the broader public. Ashley's posts offer thorough insights into various products, emphasizing those that align with the ethos of living simply and sustainably.