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10 bestMaster Lock For Trailer Hitchof December 2025

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Rhino USA Trailer Hitch Coupler Lock Kit (Includes 2" & 1/4" Couplers) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!

Rhino USA Trailer Hitch Coupler Lock Kit (Includes 2" & 1/4" Couplers) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!

Rhino USA Trailer Hitch Coupler Lock Kit (Includes 2" & 1/4" Couplers) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!

Rhino USA

1

Kohree Heavy Duty Trailer Coupler Lock, RV Trailer Locks fit 2-5/16 inches, 2", 1-7/8" Couplers, Durable Structural Steel Safety Tow Lock with 4 Keys & 4 Dust Covers, Orange

Kohree Heavy Duty Trailer Coupler Lock, RV Trailer Locks fit 2-5/16 inches, 2", 1-7/8" Couplers, Durable Structural Steel Safety Tow Lock with 4 Keys & 4 Dust Covers, Orange

Kohree Heavy Duty Trailer Coupler Lock, RV Trailer Locks fit 2-5/16 inches, 2", 1-7/8" Couplers, Durable Structural Steel Safety Tow Lock with 4 Keys & 4 Dust Covers, Orange

Kohree

9.9

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2

AMPLOCK STANDARD SERIES (2'' Trailer Coupler Lock)

AMPLOCK STANDARD SERIES (2'' Trailer Coupler Lock)

AMPLOCK STANDARD SERIES (2'' Trailer Coupler Lock)

AMPLock

9.8

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11% off

3

Master Lock 379ATPY Universal Trailer Coupler Lock

Master Lock 379ATPY Universal Trailer Coupler Lock

Master Lock 379ATPY Universal Trailer Coupler Lock

Master Lock

9.7

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5% off

4

PEAKTOW PTS0002 Heavy Duty Universal Adjustable Coupler Lock Trailer Hitch Storage Security Lock Fits 1-7/8, 2, 2-5/16 Inches Couplers

PEAKTOW PTS0002 Heavy Duty Universal Adjustable Coupler Lock Trailer Hitch Storage Security Lock Fits 1-7/8, 2, 2-5/16 Inches Couplers

PEAKTOW PTS0002 Heavy Duty Universal Adjustable Coupler Lock Trailer Hitch Storage Security Lock Fits 1-7/8, 2, 2-5/16 Inches Couplers

PEAKTOW

9.5

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5

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, Grey

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, Grey

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, Grey

RETRUE

9.3

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OtherRelated productsUp to 14% off

Rhino USA Trailer Hitch Coupler Lock Kit (Includes 2" & 1/4" Couplers) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!

Rhino USA Trailer Hitch Coupler Lock Kit (Includes 2" & 1/4" Couplers) Heavy Duty Anti-Theft Tongue Locks for Boat, RV, Travel Trailers & More - Reinforced Solid Steel for Ultimate Peace of Mind!

Master Lock 470-377DAT Nickel Chrome Finish, Zinc Die Cast Coupler Lock

Master Lock 470-377DAT Nickel Chrome Finish, Zinc Die Cast Coupler Lock

WHSSFINE Trailer Lock Kit Keyed Alike Tongue and Hitch Pin Lock with 5/8 and 1/2 Inch Pins Fit Class I II III IV V Receiver to Secure Trailer for Towing and Storage (4 Pack)

WHSSFINE Trailer Lock Kit Keyed Alike Tongue and Hitch Pin Lock with 5/8 and 1/2 Inch Pins Fit Class I II III IV V Receiver to Secure Trailer for Towing and Storage (4 Pack)

Master Lock 3794DAT Trailer Coupler and Hitch Pin Lock Set, Keyed Alike,Black

Master Lock 3794DAT Trailer Coupler and Hitch Pin Lock Set, Keyed Alike,Black

6

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

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

9.1

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7

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

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

Master Lock

8.9

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8

Rhino USA Trailer Hitch Lock - Patented 5/8 inch Locking Receiver Pin for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection - Used to Tow Truck, Boat, Bike

Rhino USA Trailer Hitch Lock - Patented 5/8 inch Locking Receiver Pin for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection - Used to Tow Truck, Boat, Bike

Rhino USA Trailer Hitch Lock - Patented 5/8 inch Locking Receiver Pin for Class III IV Hitches - Weatherproof Anti-Theft Lockable Pin with Dust, Mud & Gunk Protection - Used to Tow Truck, Boat, Bike

Rhino USA

Editor’s Choice

8.7

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9

Master Lock - (6) Keyed Alike Universal Trailer Coupler Locks 379KA-6

Master Lock - (6) Keyed Alike Universal Trailer Coupler Locks 379KA-6

Master Lock - (6) Keyed Alike Universal Trailer Coupler Locks 379KA-6

Master Lock

8.4

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10

Master Lock - (2 Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-2

Master Lock - (2 Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-2

Master Lock - (2 Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-2

Master Lock

8.2

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