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Trailer Hitch Coupler Locks

Our trailer hitch coupler locks provide reliable resistance against theft and tampering, keeping your trailer safely attached or securely stored. Constructed from durable, high-strength materials, these locks are designed to deter cutting, prying, and harsh outdoor conditions. 

Trailer Hitch Coupler LockTrailer Hitch Coupler Lock
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CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Solid Brass) #23546 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Solid Brass) #23546

SKU: 2020103002

$24.95
gear
Universal Vehicle Fit
CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Brass-Plated) #23022 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Brass-Plated) #23022

SKU: 2020102965

$14.95
gear
Universal Vehicle Fit
CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black) #23521 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black) #23521

SKU: 2020102996

$14.95
gear
Universal Vehicle Fit
CURT Universal Trailer Coupler Lock, Keyed Alike #23090-KA View Product
Curt™ CURT Universal Trailer Coupler Lock, Keyed Alike #23090-KA

SKU: 2024029507

$30.95
gear
Universal Vehicle Fit
CURT Coupler Lock (1/4" Pin, 1" to 3" Latch Span, Right-Angle, Chrome) #23503 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 1" to 3" Latch Span, Right-Angle, Chrome) #23503

SKU: 2020102985

$24.95
gear
Universal Vehicle Fit
CURT Hitch & Coupler Lock Set (2" Receiver, 2-1/2" Latch) #23527 View Product
Curt™ CURT Hitch & Coupler Lock Set (2" Receiver, 2-1/2" Latch) #23527

SKU: 2020103000

$42.95
gear
Universal Vehicle Fit
CURT Right-Angle Hitch & Coupler Lock Set (2" Receiver, 1" to 3" Latch) #23505 View Product
Curt™ CURT Right-Angle Hitch & Coupler Lock Set (2" Receiver, 1" to 3" Latch) #23505

SKU: 2020102987

$40.95
gear
Universal Vehicle Fit
CURT Hitch and Tri-Ball Coupler Lock Set, Fits 2 or 2-1/2-Inch Receiver, All Standard Couplers #23083 View Product
Curt™ CURT Hitch and Tri-Ball Coupler Lock Set, Fits 2 or 2-1/2-Inch Receiver, All Standard Couplers #23083

SKU: 2022326376

$42.95
gear
Universal Vehicle Fit
CURT Hitch & Coupler Lock Set (2" Receiver, 7/8" Latch) #23526 View Product
Curt™ CURT Hitch & Coupler Lock Set (2" Receiver, 7/8" Latch) #23526

SKU: 2020102999

$42.95
gear
Universal Vehicle Fit
CURT Universal Tri-Ball Trailer Coupler Lock, Fits 1-7/8", 2", 2-5/16" #23082 View Product
Curt™ CURT Universal Tri-Ball Trailer Coupler Lock, Fits 1-7/8", 2", 2-5/16" #23082

SKU: 2021017376

$27.95
gear
Universal Vehicle Fit
CURT Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) #23523 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) #23523

SKU: 2020102998

$20.95
gear
Universal Vehicle Fit
CURT Coupler Lock (1/4" Pin, 7/8" Latch Span, Barbell, Chrome) #23520 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 7/8" Latch Span, Barbell, Chrome) #23520

SKU: 2020102995

$20.95
gear
Universal Vehicle Fit
CURT Coupler Lock (1/4" Pin, 2-1/2" Latch Span, Barbell, Chrome) #23522 View Product
Curt™ CURT Coupler Lock (1/4" Pin, 2-1/2" Latch Span, Barbell, Chrome) #23522

SKU: 2020102997

$20.95
gear
Universal Vehicle Fit
CURT Hitch & Coupler Lock Set, 2" or 2-1/2" Receivers, 1-7/8" to 2-5/16" Couplers #23092 View Product
Curt™ CURT Hitch & Coupler Lock Set, 2" or 2-1/2" Receivers, 1-7/8" to 2-5/16" Couplers #23092

SKU: 2023062681

$51.95
gear
Universal Vehicle Fit
Coupler LockCoupler Lock

Built Tough to Deter Theft

Lippert trailer hitch coupler locks are engineered to provide dependable security for your trailer. Made from high-strength, corrosion-resistant steel, these locks are built to resist cutting, prying, and other tampering attempts, ensuring your equipment remains safe and protected in any environment.

Installation is quick and straightforward — simply slide the lock over your trailer coupler and secure it with the included key. A protective cap shields the keyway from dirt, moisture, and debris, keeping the locking mechanism smooth and reliable for long-term use. Available in multiple sizes, Lippert coupler locks are compatible with a wide variety of trailers, including campers, utility trailers, boats, and cargo carriers.

With Lippert coupler locks in place, you can tow, park, or store your trailer with complete peace of mind, knowing your equipment is always secure. 

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