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10 bestTrailer Coupler Locksof July 2025

112M consumers helped this year.

1

CURT 25153 Posi-Lock Coupler, 2" Straight Tongue, 3500 lbs. Towing Capacity
CURT 25153 Posi-Lock Coupler, 2" Straight Tongue, 3500 lbs. Towing Capacity

CURT

9.8

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2

CURT 25100 Posi-Lock Coupler, Fits 3" Wide Straight Trailer Tongues, 2" Trailer Balls, 5000 lbs GTW, Gray
CURT 25100 Posi-Lock Coupler, Fits 3" Wide Straight Trailer Tongues, 2" Trailer Balls, 5000 lbs GTW, Gray

CURT

9.6

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3

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
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

METOWARE

9.3

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4

RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)
RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler (1 Pack, Black)

RETRUE

9.0

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5

Master Lock - (4 Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4
Master Lock - (4 Keyed Alike Universal Trailer Coupler/Tongue Locks 379KA-4

Master Lock

8.7

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6

Master Lock Master Lock - Fits 1-7/8" and 2" Couplers - (2) Chrome Plated Keyed Alike Trailer Coupler Locks 377KA-2
Master Lock Master Lock - Fits 1-7/8" and 2" Couplers - (2) Chrome Plated Keyed Alike Trailer Coupler Locks 377KA-2

Master Lock

8.4

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7

Master Lock 377KA-0313 Trailer Coupler Lock - Quantity 1
Master Lock 377KA-0313 Trailer Coupler Lock - Quantity 1

Master Lock

8.1

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8

Master Lock Master Lock 389DAT 2 Pack Universal Trailer Coupler Lock, Red
Master Lock Master Lock 389DAT 2 Pack Universal Trailer Coupler Lock, Red

Master Lock

7.8

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9

X-Haibei Trailer Coupler Lock fits 1 7/8, 2 and 2 5/16 inch Couplers, Universal Trailer Ball Hitch Locks, Heavy Duty Aluminum Body, Copper Lock Cylinder, Rustproof, Dust-Proof (Black)
X-Haibei Trailer Coupler Lock fits 1 7/8, 2 and 2 5/16 inch Couplers, Universal Trailer Ball Hitch Locks, Heavy Duty Aluminum Body, Copper Lock Cylinder, Rustproof, Dust-Proof (Black)

X-Haibei

7.5

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10

4 Pack Trailer Hitch Lock with Keys Dia 1/4 Inch 3/4 Inch Span Trailer Tongue Coupler Locks Trailer Hitch Lock for Tow Boat RV Truck Car Coupler (Black)
4 Pack Trailer Hitch Lock with Keys Dia 1/4 Inch 3/4 Inch Span Trailer Tongue Coupler Locks Trailer Hitch Lock for Tow Boat RV Truck Car Coupler (Black)

Chumia

7.2

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