Top 10 Best Security Trailer Hitch Locks in 2025 Reviews

Trailers are becoming more popular because of their convenience of moving heavy items from one place to another. They can be attached to whichever your vehicle making them very easy to use. However, it is crucial to find a way to keep your trailer safe. Getting yourself a good Security Trailer Hitch Lock helps to deter potential thieves while ensuring that your trailer remains secure.

There are many Trailer Hitch Locks in the market, leaving many people undecided on the best model. In this article, we have come up with the top 10 best Security Trailer Hitch Locks in 2025 for you.

List of Best Security Trailer Hitch Locks in 2025

Preview	Product	Price
	Reese Towpower 7088300 Heavy Duty Coupler Lock , Grey	$39.92	View Products
	Master Lock 379ATPY Universal Trailer Hitch Lock , Black	$31.98	View Products

#10. Fastway Fortress 86-00-5015 Universal Coupler Lock

View Product On Amazon

If you want an effective and reliable railed hitch, then this piece by Fastway is perfect. Although it may have a simple design, it is strong to handle the vibrations and weight. This Coupler Lock universally fits 2 5/16 Inch, 2 Inch, and 1 7/8 inch couplers. In addition to that, it has a coupler lock that protects your trailer by making it difficult for a thief to hook up the trailer to their vehicle, thus providing you peace of mind. Subsequently, this Coupler Lock is constructed from corrosion-resistant and high-quality materials for durability.

Its unit design and its “U” shaped shackle allow the lock to fit in almost any trailer, and it is easily accessed from the front. Locking & unlocking the Fortress is very easy while the lock cylinder is smooth, which makes it a simple key turn. Above all, this Fortress coupler lock is ideal for horse trailers, enclosed trailers, travel trailers, ATV trailers, RVs, and boats.

#9. Reese 7088300 Towpower Heavy Duty Coupler Lock

View Product On Amazon

This Coupler Lock by Reese will secure your trailer to the truck or van with ease. It is a heavy-duty universal coupler lock that keeps your trailer secure while preventing theft. Ideally, this Coupler Lock features 6 locking positions for versatility, and it can fit 2-5/16 In., 2 In, and 1-7/8 In couplers with ease. It is designed to meet your work demands.

Its Ratchet design has 11 locking positions, and thus it can cater to all your towing needs from heavy-duty agriculture users to recreation enthusiasts. Moreover, this Coupler Lock secures the trailer when it is not being towed. It is also made from high-quality steel materials to resist rusting and corrosion. This product measures 3.1 inches L x 7.9 inches W x 8 H Inches.

#8. InSite Equipment Lock Electro-plated BRHL Steel Ring and Hitch Lock

View Product On Amazon

If you want a Trailer Hitch Lock that comes at an affordable price but still functions effectively. This one from InSite is the best choice. It universally fit any ball size 2-5/16 inches, 2, and 1-7/8 inches or pintle/ring-type hitch. Moreover, the material used to construct this Hitch Lock is completely resistant to corrosion. This product fits almost any flatbed, enclosed, car, boat, landscape, utility trailer, and more. Besides that, it provides security for all types of ATV’s, trailers, and trucks.

This particular lock secures both doors of all sea containers and semi-trailers by locking the innermost locking bars. Additionally, it fits wheels that are up to 20 ½ inches wide. It is made to contain and cover the entire hitch. This lock kit is definitely resistant to prying, picking, and drill outs.

#7. Reese 7014700 Towpower Tow ‘N Store Hitch Lock Kit

View Product On Amazon

If you want to protect your trailer without spending too much money, then purchase this Hitch Lock Kit by Reese Industries. It is best used for RVs, trailers, and vehicles. This model will offer excellent towing, and it fits 2 inches receivers. In addition to that, this unit has a rustproof design for elegance and longevity, whereas the simple design enhances its installation ease. This product can tolerate rugged terrain, heavyweights, daily operation, and environmental factors pretty well.

This Hitch Lock maintains a secure and firm hold preventing stealing or accidental unhooking by unscrupulous individuals. The material is resistant to rust, corrosion, fading, and will not be harmed by the elements. Finally, this product can be fitted in a few minutes; it has a simple and easy design.

#6. Trimax Premium Universal Die Cast Shackle UMAX50 Unattended Trailer Lock

View Product On Amazon

Searching for the perfect RV hitch or trailer is as easy as acquiring this unit by Trimax. It is a one-size-fits-all, and it is ideal to use with 2-5/15 inches, 2, and 1-7/8 inches type hitch. In addition to that, this Hitch Lock is ideal for abroad range of trailers and RVs, and it is well known for its practicality and easy installation. This Trailer Lock has a huge six tooth 3/8 inches dual ratchet locking system that resists thieves from tampering with your trailer.

Besides being made from durable and high-quality materials, this trailer lock is similarly corrosion and weather-resistant; hence it cannot be damaged by long exposure to sun, snow, rain, or high temperatures. Something else, this Trailer Lock is very easy to use. It is one of the few universal locks that fits most RVs, enclosed, cars, boats, landscapes, utility trailers, and more.

#5. AMPLOCK U-BRA2516 2 5/16 inches Trailer Coupler Lock

View Product On Amazon

If you are tired of buying an inferior hitch lock that does not provide you with the service you deserve, then consider replacing them with this Coupler Lock by AMPLOCK. It is molded exactly to fit different shapes of 2 5/16 inches trailer coupler when unhitched. In addition to that, it is very easy to use with AMPLOCK’s lock and push system. This Trailer Coupler constructed from Lock is a high-quality material for durability and will help to secure your trailer, as it is not easy to interfere with it.

This device has a Swivel design to reduce vehicle traction when it is locked. What’s more, it can last for many years when compared to other alternatives you can find in the market. This lock is going to give you peace of mind when it comes to trailer security. Above all, it resists liquid nitrogen and torch cut.

#4. Master Lock 377KA Trailer Couplers Hitch Lock, Chrome

View Product On Amazon

Master Lock Hitch Lock is an outstanding product that will never disappoint you. It fits 2-5/16 in., 2 in. and most -7/8 in. trailer couplers. Ideally, this hitch lock suits most RVs trailers and vehicles guarding them toward theft. Besides that, it is constructed from high-quality zinc materials that resist corrosion and rust. Following this, it will provide prying and picking resistance, and it is meant to offer you many years of exceptional service.

This high-quality piece comes with weather-resistant, hardwearing, corrosion-resistant, and rust-resistant materials. Therefore, you can use it outdoors and not be damaged by prolonged exposure to the cold, wound, rain, sun, or high temperatures. Above all, this lock comes at a cost-friendly price, making it ideal for individuals who are on a tight budget plan.

#3. Trimax UMAX100 Universal Steel Solid Hardened Unattended Trailer Lock

View Product On Amazon

Trimax UMAX100 is a universal hitch lock that fits most couplers. It is a one size fits all Trailer Lock perfect for 2-5/16 inches, 2, and 1-7/8 inches coupler. This product weighs 6 pounds, and it features an attractive ballistic grade nylon housing that absorbs hammer blows while protects against weather. Something else, this Trailer Lock is durable and rugged, and the key will not break or bend. The keyhole covers usually slide up to cover out grime and dirt.

This lock uses a type-A key with seven pins that guarantee you its security while protecting you from attempted drill outs. With that, you can go for an extended vacation without worry about the security of your belonging as this Trailer Lock proves to be a savior.

#2. Master Lock Universal 379ATPY Trailer Hitch Lock

View Product On Amazon

Are you looking for a Trailer Hitch Lock that is durable and easy to install? Then Master Lock Universal Hitch Lock is an excellent choice for you. It fits most 2-5/16 in., 2 in. and 1-7/8 in. trailer couplers. Since it is versatile, it is possible to use RV hitch locks, trailers, and a lot more. This product is generally simple to use, and it features an advanced locking mechanism for it to resist prying. It is made of zinc to resist rusting.

This hitch lock includes two keys and one trailer coupler lock. Its budget-friendly option does not sacrifice its quality. Therefore, it is great in terms of performance. This product comes with an impressive width, ensuring that it is very strong so that nobody can tamper with it.

#1. AMPLOCK RV/Trailer U-BRP2516 2 5/16 inches Coupler Lock

View Product On Amazon

AMPLOCK Coupler Lock is a weather-resistant model that you can rely on to keep your trailer safe in any weather. It is modified to fit the various shape of Caravan or trailer2 5/16 inches coupler when unhitched. In addition to that, it is very easy to use with AMPLOCK’s lock and push system. The materials used in construction provides great rust and corrosion resistance; hence, it can be used in all climates.

Most people find this Coupler Lock worth as it can work for RV, vehicles, trailers hitch locks. Other than that, it is very easy to set up, and you will love the fact that it allows you to have an easy time when working with it.

Conclusion

It is very essential to invest in a quality Security Trailer Hitch Lock so that your Trailer is safe from thieves. The product listed above are the best models, and they will work for you perfectly. Regardless of which model you pick from our list, you will still be okay. Happy shopping!

Bestseller No. 1

Master Lock 379ATPY Universal Trailer Hitch Lock , Black

$31.98

Bestseller No. 2

Rhino USA Trailer Hitch Coupler Lock Kit (for 2" Trailer) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!

$49.90

Bestseller No. 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

$25.90

Bestseller No. 4

Reese Towpower 7088300 Heavy Duty Coupler Lock , Grey

$39.92

SaleBestseller No. 5

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

$29.21