The doors of our homes have locks, which protect us and our belongings. Well, this gives us peace of mind knowing that no one will make away with our valuables. But what if you had to carry all these valuables out on the road? We bet you will still want the same protection right? Well, to achieve that, you need to use one of the best trailer coupler locks. Designed for keeping trailers safe, a trailer coupler lock is no doubt a must-have for anyone with a trailer. It gives you peace of mind knowing that no one will steal your belongings, or even worse, run away with the entire trailer.

To offer maximum protection, most trailer coupler locks have advanced locking mechanism that prevents against prying. They also have rugged designs, which enable them to work in any weather. Plus they are resistant to cutting and other abuses ill-minded people may subject them to. Additionally, a good number of trailer coupler locks are bright colored, so they can discourage thieves from messing with your trailer. They are easy to install and remove, meaning you will not have problems using them. We have reviewed the best ones in these reviews to help you settle for what you deserve.

7. Master Lock Trailer Lock, Trailer Coupler Lock, 377KA

7. Master Lock Trailer Lock, Trailer Coupler Lock, 377KA
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Securing your coupler should be fast and easy. And all you need to achieve that is this trailer coupler lock. It is a universal coupler lock that is very easy to install. Also, you will not have problems removing it. That being said, the lock is very easy to move from place to place. It is capable of resisting prying and picking. And this is because of the advanced locking mechanism. This means you will have peace of mind when you park your trailer knowing that no one can tamper with it. Because it is universal, this coupler lock fits the majority of trailer couplers. To be precise, it fits 48mm (1-7/8”), 51mm (2”), and most 59mm (2-5/16”) trailer couplers.

Pros

  • Seems to work great
  • Fits several trailer couplers
  • The price is reasonable
  • The construction looks solid
  • The design appears easy to use

6. AMPLOCK U-BRP2516 RV/trailer coupler lock

6. AMPLOCK U-BRP2516 RV/trailer coupler lock
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It is obvious that you will only use the best trailer coupler lock to protect your caravan (RV) or trailer. And that is exactly what this RV/trailer coupler lock is all about. It is engineered to fit the specific shape of your Caravan or trailer. To make sure that the lock lives up to your expectations, AMPLOCK has designed it with materials that offer great rust resistance regardless of the climate. They have also made it easy to use by equipping it with their push and lock system. Overall, this trailer coupler lock is well made with quality materials. This means it will give you all the confidence knowing that no one will mess around with your trailer or RV. It fits 2-5/16” couplers.

Pros

  • Deter thieves from getting access to your trailer or RV
  • Very heavy, massive, and formidable
  • The hitch latch is really handy
  • Extremely easy to use
  • The lock feels very secure

5. Master Lock 379ATPY Universal Trailer Lock

5. Master Lock 379ATPY Universal Trailer Lock
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Keeping your trailer safe is paramount. That’s why you really need this universal trailer lock from Master Lock. It is designed to prevent picking and prying from the coupler. It is universal, and, therefore, it fits 1.875in, 2in, and most 2.31in couplers. It comes with two keys to ensure maximum convenience. Apart from trailers, this universal coupler lock is ideal for vehicles and RV hitch locks, among others. It is resistant to rust and corrosion, meaning it will stay for quite a long time just to make sure your valuable trailer, RV or vehicle is secure. In addition, this trailer lock comes equipped with advanced locking mechanism that prevents prying and picking. Its cylinder is rekeyable for keyed-alike convenience. Since it is a product of Master Lock, this trailer lock is no doubt easy to remove and install.

Pros

  • Easy to apply, and it fits snugly
  • Heavy duty and appears strong
  • Looks neat on the trailers

4. Master Lock 379DAT Universal Trailer Coupler Lock

4. Master Lock 379DAT Universal Trailer Coupler Lock
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This trailer coupler lock is universal. It fits 1-7/8”, 2-5/16”, and 2” couplers produced by Reese, UFP, Dutton-Lainson, Fulton, Hammerblow, Valley, Putnam, Shelby, and Atwood. The trailer coupler lock boasts advanced locking mechanism, which resists prying and picking. Additionally, this coupler lock comes with two keys to make sure that no inconveniences arise. It is durable enough to keep rust and corrosion at bay. With that said, you will be able to use it for quite a long time. The coupler lock is designed to fit trailers, vehicles, and RV hitch locks. It is extremely easy to install, meaning you will be able to use it immediately you get it. It is also easy to remove; hence, you can easily transport it when it is not in use in your trailer.

Pros

  • Fits and locks trailers well
  • Looks well made and capable of preventing theft
  • Very simple to install and use
  • Will not come off

3. Master Lock 3749DAT Trailer Coupler & Receiver Lock Combo Pack

3. Master Lock 3749DAT Trailer Coupler & Receiver Lock Combo Pack
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This is a brand you can trust. And that is because the locks come with a lifetime warranty. They are high functioning trailer coupler locks, which can be adjusted from 9/16in. to 2-3/4in. That being said, they fit 1-7/8”, 2”, and most 2-5/16” couplers. The receiver lock has convenient Push-to-Lock mechanism, which allows you to push lock the body firmly onto the pin before you remove the key. All the locks are made with Weather Tough Seal and watertight cap, so they can offer maximum protection from dirt and moisture. They are stainless steel, and this makes them more durable. Moreover, these trailer coupler locks are very versatile, and, therefore, can be used for trailers, vehicles, and RV hitch locks. The locks include a trailer coupler lock, a trailer coupler latch lock, and a receiver lock.

Pros

  • The hitch coupler lock and the receiver pin lock fit very nicely
  • All locks are keyed the same
  • The set comes in a very nice carrying case

2. Master Lock #389DAT Trailer Locks

2. Master Lock #389DAT Trailer Locks
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A trailer coupler lock is designed to guard against trailer tow-away theft. But to enjoy the services of your trailer coupler lock, you need a high functioning brand like this one from Master Lock. It is universal, and, therefore, fits virtually all 1-7/8in., 2-5/16in., and 2in. trailer couplers. It displays a bright red finish that will discourage any thief from messing around with your trailer. It also features advanced locking mechanism to resist picking and prying. Plus it is designed to take little effort during installation. The trailer coupler lock is also easy to remove, and this makes it convenient to use. It is resistant to corrosion and rusts, meaning it will be handy for quite a long time. Although it works really well, this trailer coupler lock is very affordable.

Pros

  • Has a great rugged design
  • The bright red finish is very handy
  • Features a side orientation, which keeps the weather from direct contact with the lock mechanism

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1. Master Lock #605 Latch Lock-Solid Brass Trailer Locks

1. Master Lock #605 Latch Lock-Solid Brass Trailer Locks
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This trailer coupler lock will work when you connect the trailer to the tow vehicle or when you detach the trailer. It prevents the coupler latch from moving, thereby, not allowing a ball to be placed into the coupler or making sure that the coupler cannot be removed from the ball. Its opening measures exactly 3/4in., and it works on all 1-7/8in. and 2in. coupler latches. Furthermore, the lock is equipped with a built-in anti-sawing pin that ensures optimum protection. Plus it has a protected case-hardened steel shackle, which resists cutting. It also boasts a solid brass case that resists corrosion. It is simple to install and remove, making it convenient to use. This lock comes with a limited lifetime warranty to give you peace of mind knowing that it is well backed.

Pros

  • Seems to be high quality
  • Its build appears robust
  • Fits and works as advertised
  • Hard to cut, thereby, ensuring maximum protection

Conclusion

Trailer coupler locks are not just designed for trailers but also they can be used on vehicles and RV hitch locks. They are sturdy, and, therefore, they provide great protection. By so doing, they give you peace of mind knowing that no one will steal your belongings or the entire trailer, vehicle or RV.

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