10 Best trailer locks of 2026

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Best Choice

1

Clicked 2 times in the last month

FAHKNS

FAHKNS Trailer Coupler Lock 2-5/16 Inch - Anti-Theft Brass Core Hitch Lock, Heavy-Duty Towing Hitch Locks for RV Boat Camper Enclosed Trailer Accessories
9.7

Exceptional

Our Rating
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Value for Money

2

Rhino USA
Rhino USA Trailer Hitch Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV, Camper, Trailer, Boat, Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue
Main highlights

American Owned, Family Operated
Support USA business. Powder-coated for durability, fits most 2-5/16 inch couplers. Guarantees safety and satisfaction.

Ideal Use Cases
Perfect for securing boats, toy haulers, and trailers, offering peace of mind against theft in any weather conditions.

Customer Reviews Highlight
Most praised for its robust construction and effectiveness in theft prevention, providing confidence and reliability to users.
9.6

Exceptional

Our Rating

9.5
Security

9.5
lock easily

8.9
Simple to use
3

Master Lock
Master Lock Trailer Coupler Lock, Universal Size Fits 1-7/8", 2", and 2-5/16", 389DAT
Main highlights

Comprehensive Security
The Master Lock 389DAT provides robust security for trailers, fitting multiple coupler sizes and preventing unauthorized access.

Ideal for Trailer Owners
Perfect for securing trailers against theft, especially in high-risk areas or for long-term parking.

Praised for Effectiveness
Customers appreciate its effectiveness in preventing theft, making it a reliable choice for trailer security.
9.4

Excellent

Our Rating

9.7
Easy installation

9.7
Simple to use

9.5
lock easily
4

Master Lock
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY
Main highlights

Universal Fit
Fits 1-7/8 in., 2 in., and most 2-5/16 in. trailer couplers.

Ideal for Security
Best used for securing vehicles, trailers, and RVs against theft.

Highly Praised Durability
Praised for its toughness and reliability in customer reviews.
Key specs
- material:Zinc
- lock type:Key Lock
- special features:Portable
- compatibility:Vehicles, trailers, RVs
- dimensions:5.1 x 3.5 x 4.6 inches
9.3

Excellent

Our Rating

9.9
Simple to take off

9.7
Easy installation

9.5
Simple to use
5

Generic

Hitch Pintle Lock for GEN-Y Hitch, 2" Hollow Shank Replacement Lock, 16,000 lbs Towing Capacity, Heavy Duty Tube Steel Construction, Anti-Rust Black Finish, Towing Safety Lock
9.2

Excellent

Our Rating
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6

METOWARE
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock for Towing Trailer Security Fits 1-7/8",2”, 2-5/16" Coupler Yellow
Main highlights

Universal Compatibility for Various Couplers
Fits 1-7/8, 2, 2-5/16 couplers with adjustable ratchet positions.

Ideal for Trailer Security Enhancement
Provides visible deterrent and added security for trailers.

Highly Visible Deterrent
Bright yellow color makes it easily noticeable and deters theft.
Key specs
- material:All metal construction
- lock type:Zinc alloy tubular
- special features:11 locking positions
- compatibility:1-7/8, 2, 2-5/16 couplers
- dimensions:5.1 x 3.3 x 6.49 inches
9.0

Excellent

Our Rating

9.5
Simple to use

8.9
Easy installation

8.0
Durability
7

Rhino USA
Rhino USA Trailer Hitch Lock Kit (for 2" Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV, Camper, Trailer, Boat, Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue
Main highlights

Key Features
USA-based family business offering a rust-resistant, powder-coated trailer lock fitting most 2-inch couplers for ultimate theft protection.

Ideal Use Cases
Perfect for securing boats, toy haulers, and trailers, ensuring peace of mind against theft in various weather conditions.

Customer Praise
Highly praised for its durability and effectiveness in preventing theft, offering customers a guaranteed 5-star experience and satisfaction.
Key specs
- material:Powder Coated
- lock type:Hitch Lock
- special features:Rust Protection
- compatibility:Most 2 Inch Couplers
- dimensions:5 x 5 x 5 inches
8.7

Very Good

Our Rating

9.5
Security

9.1
lock easily

8.7
Lock Feature
8

RETRUE

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, Bright Yellow, Light Weight

38% Off
8.4

Good

Our Rating
9

METOWARE

METOWARE Universal Trailer Hitch Locks, Adjustable Heavy-Duty Trailer Coupler Ball Locks Fit 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers with 2 Keys
8.2

Good

Our Rating
10

TOPICK

TOPICK Keyed Alike Trailer Coupler Lock Set, Trailer Lock Kit Include Universal Trailer Hitch Lock & Coupler Latch Lock, Heavy-Duty Anti-Theft Protection for 1-7/8", 2", 2-5/16" Couplers, All Black
8.1

Good

Our Rating

10 Best trailer locks of 2026

1

FAHKNS Trailer Coupler Lock 2-5/16 Inch - Anti-Theft Brass Core Hitch Lock, Heavy-Duty Towing Hitch Locks for RV Boat Camper Enclosed Trailer Accessories

How do we rank?

How do we rank?

Analyzing top stores

2

Rhino USA Trailer Hitch Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV, Camper, Trailer, Boat, Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue

9.5

9.5

8.9

3

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

9.7

9.7

9.5

4

Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY

9.9

9.7

9.5

5

Hitch Pintle Lock for GEN-Y Hitch, 2" Hollow Shank Replacement Lock, 16,000 lbs Towing Capacity, Heavy Duty Tube Steel Construction, Anti-Rust Black Finish, Towing Safety Lock

6

METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock for Towing Trailer Security Fits 1-7/8",2”, 2-5/16" Coupler Yellow

9.5

8.9

8.0

7

Rhino USA Trailer Hitch Lock Kit (for 2" Trailers) Heavy Duty Anti Theft Trailer Coupler Locks for RV, Camper, Trailer, Boat, Caravan - Reinforced Solid Steel Tow Lock for Trailer Tongue

9.5

9.1

8.7

8

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, Bright Yellow, Light Weight

9

METOWARE Universal Trailer Hitch Locks, Adjustable Heavy-Duty Trailer Coupler Ball Locks Fit 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers with 2 Keys

10

TOPICK Keyed Alike Trailer Coupler Lock Set, Trailer Lock Kit Include Universal Trailer Hitch Lock & Coupler Latch Lock, Heavy-Duty Anti-Theft Protection for 1-7/8", 2", 2-5/16" Couplers, All Black

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