Best Trailer Hitch Locks on Amazon (2025): Expert-Approved Picks for Security

Written by Jacob Steele, Automotive Product Reviewer
Last updated on May 22nd, 2025
We receive free products and commissions through our links. See disclosures page.

Protecting your trailer and its contents from theft is crucial, and a high-quality trailer hitch lock is your first line of defense. With various styles, security levels, and compatibility options available, choosing the right lock can be challenging. We've analyzed Amazon's top-rated trailer hitch locks, considering factors like durability, security features, ease of use, and value. Our expert team has evaluated each product's construction, lock mechanism, and customer satisfaction to help you make an informed decision. From basic pin locks to advanced security systems, discover the perfect trailer hitch lock to keep your trailer safe and secure.

#1

Rhino USA Trailer Hitch Pin (2 Inch) Patented 5/8" Locking Receiver Hitch Pins for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Debris Protection - Used to Tow Truck, etc - Black

Rhino USA Trailer Hitch Pin (2 Inch) Patented 5/8" Locking Receiver Hitch Pins for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Debris Protection - Used to Tow Truck, etc - Black
4.7(8,910 reviews)
$27.90
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russknanReviewed in the United States March 9, 2025
I have always felt that the best test of a vendor or manufacturer comes, not when everything goes right, but when there is a problem. This is a fine example. Recently, I purchased a 2024 Toyota Tacoma...

Trailer hitch locks are essential security devices that protect your hitch from theft and unauthorized use. The right lock can provide peace of mind and prevent costly replacements.

#2

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
4.7(17,072 reviews)
$29.33
......
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Erik S. AndersonReviewed in the United States April 27, 2025
Great lock! Makes me feel better knowing that I have this on my utility trailer. I'm sure if somebody really wanted to break this lock they could. But at least it will hopefully make somebody work to ...

When selecting a hitch lock, consider the type of hitch receiver you have. Different locks are designed for specific receiver sizes and styles.

#3

Master Lock - (3 Keyed Alike Universal Trailer Coupler Locks 379KA-3

Master Lock - (3 Keyed Alike Universal Trailer Coupler Locks 379KA-3
4.7(668 reviews)
$101.42
This is a set of 3 Keyed Alike trailer coupler/tongue locks and is ideal when needing multiple locks that utilize ONLY one key.The same key opens all ...
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Outdoors GuyReviewed in the United States December 3, 2023
I own six trailers counting the ones for my boats. I rarely put locks on them and when I do, it’s a cheap little padlock that could be easily broken. After a buddy had a trailer stolen I realized that...

Look for locks with durable construction and weather-resistant materials to ensure long-lasting performance in various conditions.

#4

Proven Industries Model 2516 Trailer Lock, Fits 2 5/16-Inch Couplers, Secures Safety Chains, Made in The USA, (Blue)

Proven Industries Model 2516 Trailer Lock, Fits 2 5/16-Inch Couplers, Secures Safety Chains, Made in The USA, (Blue)
4.7(1,544 reviews)
$275.00
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J. AndrewsReviewed in the United States January 20, 2025
I purchased this product along with 6 Paclock trailer locks to secure my trailer when parked in a storage lot. The coupler is heavy and seems well made. The packaging was lighter duty than needed for ...

Security features like anti-pick mechanisms and hardened steel construction are essential for protecting your hitch from theft.

#5

METOWARE Trailer Hitch Lock Hitch Receiver Lock Fits Class III IV and 2" 2-1/2" Receiver with 5/8" Dia 3-1/2” Long Pin and 8 Anti-Rattle Rubber O-Rings, for Trailer Truck Car Boat (1 Pack)

METOWARE Trailer Hitch Lock Hitch Receiver Lock Fits Class III IV and 2" 2-1/2" Receiver with 5/8" Dia 3-1/2” Long Pin and 8 Anti-Rattle Rubber O-Rings, for Trailer Truck Car Boat (1 Pack)
4.7(4,086 reviews)
$14.99
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Kevin E. FergusonReviewed in the United States March 8, 2025
This hitchlock fits a Toyota Tacoma hitch without any issues. You do need to use some of the provided spacers for a rattle free fit. I ordered a different manufacturers lock but that was too short to ...

Consider the ease of use when choosing a hitch lock. Some locks require special keys or tools, while others offer quick-release mechanisms.

#6

AMPLock - U-BRP2516 Heavy Duty Trailer Coupler Lock 2 5/16, RV & Trailer Hitch Lock, Straight Lip Trailer Ball Lock, Travel Trailer Accessories, Anti Theft for Trailers & RV with Push & Lock System

AMPLock - U-BRP2516 Heavy Duty Trailer Coupler Lock 2 5/16, RV & Trailer Hitch Lock, Straight Lip Trailer Ball Lock, Travel Trailer Accessories, Anti Theft for Trailers & RV with Push & Lock System
4.7(1,576 reviews)
$265.00
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Tribulation ExodusReviewed in the United States July 20, 2015
Video Surveillance showed my trailer was stolen in UNDER 4-minutes. Master Lock Pad Lock, Coupler Lock, and THE CLUB 491 tire lock were all compromised, the trailer was hitched-up and off they went wi...

Some hitch locks include additional features like integrated covers or built-in steps for enhanced convenience.

#7

Master Lock 379ATPY Universal Trailer Hitch Lock , Black

Master Lock 379ATPY Universal Trailer Hitch Lock , Black
4.6(5,508 reviews)
$30.99
The Master Lock 379ATPY features a universal trailer coupler lock, designed to fit 1-7/8 in. (48 mm), 2 in. (51 mm) and most 2-5/16 in. (59 mm) couple...
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Raphael BabaoReviewed in the United States April 27, 2025
I recently bought the Master Lock 379ATPY Universal Trailer Hitch Lock, and it has been a great addition to my trailer setup. The lock fits perfectly and provides peace of mind knowing that my trailer...

Check your vehicle's compatibility with the lock you're considering. Some vehicles may require specific mounting points or additional modifications.

#8

Trailer Hitch Locks, Hitch Lock with 5/8'' Pin Fits Class III IV 2" Hitch Receivers, Tow Hitch Lock with Anti-Rattle O-Rings for Trailer Truck Car Boat (1 Pack)

Trailer Hitch Locks, Hitch Lock with 5/8'' Pin Fits Class III IV 2" Hitch Receivers, Tow Hitch Lock with Anti-Rattle O-Rings for Trailer Truck Car Boat (1 Pack)
4.6(2,102 reviews)
$9.99
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Tyler Z.Reviewed in the United States May 13, 2025
Solid build, quick to throw on and take off. The function of the push button once the key is in needs a little wiggling but works better if you can get some grease in it. Mine might have not had any s...

Look for locks with clear installation instructions and customer support in case you encounter any issues.

#9

Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA

Master Lock Trailer Hitch Lock, Fits 1-7/8 in., 2 in., and Most 2-5/16 in. Trailer Couplers, Weather Resistant Automotive Hitch Lock with Keys, 377KA
4.6(3,579 reviews)
$34.06
The Master Lock 377KA Trailer Hitch Lock features a trailer coupler lock, designed to fit 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) tr...
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Richard WilliamsReviewed in the United States October 28, 2019
Bought my first one 15 years ago and it still works great, you can push it shut in a ratching fashion without even having the key in it. Fits trailers with 1 7/8" , 2" and 2 5/16" ball socket. Bought ...

Consider your budget and the level of security you need. While some premium options might seem expensive, they often provide better value in terms of quality and effectiveness.

#10

Master Lock 605DAT Shackle 15/16" Length x 7/16" Inner Width, 2" Body Width, Solid Brass Coupler Lock, Gold, 1 Count

Master Lock 605DAT Shackle 15/16" Length x 7/16" Inner Width, 2" Body Width, Solid Brass Coupler Lock, Gold, 1 Count
4.6(1,411 reviews)
$13.98
The Master Lock Solid Brass Trailer Hitch Coupler Lock features a case-hardened steel shackle and a precision pin tumbler mechanism that resists picki...
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J. HallReviewed in the United States December 31, 2024
Like the title says. It was a letdown when a little percussive love tap didn't make this lock pop open like in the videos. Worse, even jamming a metal stick into it, fairly hard, had no effect either....

Remember to check local regulations regarding hitch lock usage and any specific requirements for your area. This can help you avoid potential issues and ensure compliance.