July 29, 2025

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Trailer Hitch Coupler Locks of 2025

Save up to 20% off

Best Choice

1

Reese Towpower

Reese Towpower 7088300 Trailer Coupler Lock, Universal Fit, Heavy Duty, Designed to fit 1-7/8-in, 2-in, and 2-5/16-in couplers.
9.7

Exceptional

Our Rating

8.2
lock easily

8.0
worth the money

8.0
Easy installation
How do we rank?

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Based on millions of stores and reviews

Shoppers influence our rankings
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Value for Money

2

Draw-Tite
Draw-Tite (63228) 'Gorilla Guard' Coupler Lock for 2" Couplers
Main highlights

Tamper Resistant Design
Design shields lock from tampering devices. Fit Type: Universal Fit. Fits most 2 inch trailer couplers.

Ideal for Trailer Security
Best for securing trailers in parking lots or behind stores, deterring thieves with minimal tools required for installation.

Highly Durable and Sturdy
Customers praise the lock's sturdiness and effectiveness in preventing theft attempts, even withstanding portable grinders.
Key specs
- installation:No tools needed
- finish:Painted
- type:Universal Fit
- material:N/A
- pull force:N/A
9.6

Exceptional

Our Rating

9.9
Durability

9.7
lock easily

9.7
lasts a long time
3

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
- color:Black
- material:Zinc
- lock type:Key Lock
- special features:Portable
- dimensions:5.1 x 3.5 x 4.6 inches
9.5

Excellent

Our Rating

9.9
Simple to take off

9.7
Easy installation

9.5
Simple to use
4

METOWARE
METOWARE Trailer Tongue Coupler Lock 1/4" Dia, 3-1/2" Span, Trailer Hitch Lock for Latch-Type Coupler, Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (1 Pack)
Main highlights

Key Features and Benefits
Heavy-duty steel, 361° rotating waterproof design, push-to-lock, rust protection, and enhanced security with zinc alloy core and stronger keys.

Ideal Use Cases
Perfect for securing trailers during transport over wet or snowy roads, ensuring peace of mind against theft and environmental damage.

Customer Reviews Highlight
Most praised for its easy-to-use push-to-lock feature and exceptional durability against rust and security breaches.
9.4

Excellent

Our Rating

9.9
Easy installation

9.7
Simple to use

9.7
lock easily
5

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

16% Off
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.
9.3

Excellent

Our Rating

9.7
Easy installation

9.7
Simple to use

9.5
lock easily
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6

Reese
REESE Towpower 72783 Coupler Lock, Adjustable Storage Security, Heavy-Duty Steel, Yellow and Chrome ( Universal Fit)

11% Off
Main highlights

Durable Construction and Security
Constructed with aluminum body and steel lock bar for theft deterrence.

Versatile Trailer Compatibility
Fits 1-, 2-, and 2-5/16-inch couplers for universal use.

Ease of Use and Installation
Simple to install and lock, praised by customers.
9.2

Excellent

Our Rating

9.5
Easy installation

8.9
lock easily

8.9
Simple to use
7

RETRUE
RETRUE Trailer Tongue Coupler Lock, Upgrade Trailer Cyberlock Extra Wide 1.2'' Span, Dia 1/4'', Heavy Duty Trailer Latch Lock for Wide Trailer Coupler, Tow Boat Accessories, RV Truck Car's, Silver
Main highlights

Keyless Convenience with One Push
The RETRUE Cyberlock offers a simple one-push locking system for quick and easy security.

Versatile Trailer Compatibility
Ideal for securing multiple trailer types with its 1.2-inch span.

Highly Rated for Ease of Use
Customers praise the intuitive design and user-friendly locking mechanism.
Key specs
- color:Silver
- material:Steel
- lock type:Mortise Lock
- special features:One-Touch Lock
- dimensions:2.75 x 1 x 2 inches
9.0

Excellent

Our Rating
8

Chumia
Chumia 4 Pack Black Trailer Hitch Coupler Lock with Keys, Dia 1/4 Inch 3/4 Inch Span Trailer Tongue Hitch Lock for Tow Boat Rv Truck Car's Coupler
Main highlights

Convenient and Secure
The trailer locks set includes 4 pieces with 2 keys each, made of strong zinc alloy, corrosion-resistant, easy to carry, and effectively prevents theft.

Versatile Applications
Ideal for securing trailers, boat trailers, cargo boxes, and other types of doors, providing additional security for your truck, boat, or trailer.

Smooth Operation and Versatility
Customers appreciate the smooth operation, pre-lubricated locks, and versatility for various uses like Pelican boxes, highlighting the product's quality and functionality.
Key specs
- color:Black
- material:Zinc alloy
- lock type:Key Lock
- special features:Padlock design, corrosion-resistant
- dimensions:4.49 x 4.13 x 1.22 inches
8.9

Very Good

Our Rating

9.9
Easy installation

9.3
Durability

9.1
Flexibility
9

METOWARE
METOWARE Keyed Alike Trailer Lock Set, 5/8" Dia 3-1/2" Long Anti-Theft Trailer Hitch Lock Fits Class III IV Receiver, Dia 1/4" with 3/4" Span Trailer Tongue Lock for Tow Boat RV Truck

20% Off
Main highlights

Key Features
Keyed alike for convenience, high-quality material for durability, easy operation with push-to-lock design and rust protection for longevity.

Ideal Use Cases
Perfect for securing trailers, boats, and campers in Class III/IV 2, 2-1/2 hitch receivers and latch-type couplers.

Customer Praise
Most reviews highlight the lock`s robust construction and the convenience of having all locks keyed alike, appreciating the added security and ease of use.
8.8

Very Good

Our Rating

9.9
Waterproof

8.9
Simple to use

8.7
lock easily
10

Master Lock
Master Lock 2848DAT Key Alike Set with Receiver and Coupler Latch Locks, 2-Piece Set
Main highlights

Convenient Key Alike System
Includes two locks and keys that work interchangeably, enhancing ease of use and security.

Ideal for Vehicle and Trailer Security
Best used for securing vehicles, trailers, and RV hitch locks with durable design.

Praised for Build Quality
Customers consistently commend the product's durability and reliable performance.
8.6

Very Good

Our Rating

8.4
worth the money

8.4
Simple to use

8.4
Durability

Trailer Hitch Coupler Locks of 2025

1

Reese Towpower 7088300 Trailer Coupler Lock, Universal Fit, Heavy Duty, Designed to fit 1-7/8-in, 2-in, and 2-5/16-in couplers.

8.2

8.0

8.0

How do we rank?

How do we rank?

Analyzing top stores

2

Draw-Tite (63228) 'Gorilla Guard' Coupler Lock for 2" Couplers

9.9

9.7

9.7

3

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

4

METOWARE Trailer Tongue Coupler Lock 1/4" Dia, 3-1/2" Span, Trailer Hitch Lock for Latch-Type Coupler, Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (1 Pack)

9.9

9.7

9.7

5

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

9.7

9.7

9.5

6

REESE Towpower 72783 Coupler Lock, Adjustable Storage Security, Heavy-Duty Steel, Yellow and Chrome ( Universal Fit)

9.5

8.9

8.9

7

RETRUE Trailer Tongue Coupler Lock, Upgrade Trailer Cyberlock Extra Wide 1.2'' Span, Dia 1/4'', Heavy Duty Trailer Latch Lock for Wide Trailer Coupler, Tow Boat Accessories, RV Truck Car's, Silver

8

Chumia 4 Pack Black Trailer Hitch Coupler Lock with Keys, Dia 1/4 Inch 3/4 Inch Span Trailer Tongue Hitch Lock for Tow Boat Rv Truck Car's Coupler

9.9

9.3

9.1

9

METOWARE Keyed Alike Trailer Lock Set, 5/8" Dia 3-1/2" Long Anti-Theft Trailer Hitch Lock Fits Class III IV Receiver, Dia 1/4" with 3/4" Span Trailer Tongue Lock for Tow Boat RV Truck

9.9

8.9

8.7

10

Master Lock 2848DAT Key Alike Set with Receiver and Coupler Latch Locks, 2-Piece Set

8.4

8.4

8.4

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