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Advance Auto Parts ShopATV Parts & AccessoriesAuto Repair ToolsAutomotive ElectricalAutomotive Stands and SupportsBrakes & Brake PartsCamcoCar & Truck Racks, Cargo Carriers & Ratchet StrapsCar Anti-Theft DevicesCar CustomizationCar JacksCar LightingCar Safety and SecurityDirt Bike Parts & AccessoriesExterior Car DecorationHarley Davidson Parts & AccessoriesJeep PartsJeep Tow Bars & HitchesJeep Winches & RecoveryMechanics ToolsMotorcycle AccessoriesReese HitchesReplacement Auto PartsRhino USARightline GearRoadMasterRugged RidgeRV ElectricalRV LevelersRV LightsRV Parts & Accessories by BrandShop Jeep Accessories & Jeep Parts by BrandShop Truck Accessories & Truck Parts by BrandSteering PartsTowing & Cargo on Advance Auto Parts ShopTowing HitchesTowing Hitches, Winches & AccessoriesTractor AttachmentsTruck Bed AccessoriesUTV Parts & Accessories
Trailer Coupler Locks(1000+)
Uses item details. Price when purchased online
Best seller TowSmart 7277 Pro Class High Visibility Chrome Coupler Lock From $33.58
Sponsored
From$3358
TowSmart 7277 Pro Class High Visibility Chrome Coupler Lock
2174.4 out of 5 Stars. 217 reviews
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Heavy Duty Trailer Hitch Lock, Password Keyless Coupler Lock, Compatible Fits 2-5/16 Inch Hitch Ball" Trailer Ball, for RV & Boat Trailers $109.99 Was $189.99
Sponsored
Now$10999
current price Now $109.99, Was $189.99$189.99
Heavy Duty Trailer Hitch Lock, Password Keyless Coupler Lock, Compatible Fits 2-5/16 Inch Hitch Ball" Trailer Ball, for RV & Boat Trailers
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Flash Deal Kohree Keyless Combination Trailer Hitch Lock for 2-5/16 inch Coupler, Heavy Duty Anti-Theft Tongue Lock for RV, Camper, and Boat $113.39 Was $145.99
Sponsored
Now$11339
current price Now $113.39, Was $145.99$145.99
Kohree Keyless Combination Trailer Hitch Lock for 2-5/16 inch Coupler, Heavy Duty Anti-Theft Tongue Lock for RV, Camper, and Boat
684.6 out of 5 Stars. 68 reviews
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Best seller TowSmart Premium Coupler Lock with 2 Keys, Brass, 732 From $16.62
Sponsored
From$1662
TowSmart Premium Coupler Lock with 2 Keys, Brass, 732
934.5 out of 5 Stars. 93 reviews
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Trailer Hitch Lock 2 5/16", Heavy Duty Coupler Tongue Lock, Level 9 Security Anti-Theft Ball Hitch Lock with Keys, Waterproof Rustproof Trailer Lock for RV Boat Travel Trailer Camper $126.95
$12695
current price $126.95Trailer Hitch Lock 2 5/16", Heavy Duty Coupler Tongue Lock, Level 9 Security Anti-Theft Ball Hitch Lock with Keys, Waterproof Rustproof Trailer Lock for RV Boat Travel Trailer Camper
Best seller TowSmart Adjustable Coupler Locking Pin, Fits 1" to 3" Coupler Spans, Silver, 7274 From $10.78
2 options
Available in additional 2 optionsFrom$1078
TowSmart Adjustable Coupler Locking Pin, Fits 1" to 3" Coupler Spans, Silver, 7274
1054.1 out of 5 Stars. 105 reviews
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Ozark Trail Heavy-Duty Universal Trailer Coupler Lock with 2 Keys, Weather-Resistant $8.97
$897
current price $8.97Ozark Trail Heavy-Duty Universal Trailer Coupler Lock with 2 Keys, Weather-Resistant
154.4 out of 5 Stars. 15 reviews
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Best seller TowSmart 7277 Pro Class High Visibility Chrome Coupler Lock From $33.58
2 options
Available in additional 2 optionsFrom$3358
TowSmart 7277 Pro Class High Visibility Chrome Coupler Lock
2174.4 out of 5 Stars. 217 reviews
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Best seller TowSmart Premium Coupler Lock with 2 Keys, Brass, 732 From $16.62
2 options
Available in additional 2 optionsFrom$1662
TowSmart Premium Coupler Lock with 2 Keys, Brass, 732
934.5 out of 5 Stars. 93 reviews
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Rhino USA Trailer Coupler Lock Kit with Hitch Pin From $47.34
2 options
Available in additional 2 optionsFrom$4734
Rhino USA Trailer Coupler Lock Kit with Hitch Pin
1283.8 out of 5 Stars. 128 reviews
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Best seller TowSmart Adjustable Coupler Locking Pin, Fits 1" to 3" Coupler Spans, Silver, 7274 From $10.78
Sponsored
From$1078
TowSmart Adjustable Coupler Locking Pin, Fits 1" to 3" Coupler Spans, Silver, 7274
1054.1 out of 5 Stars. 105 reviews
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Flash Deal Kohree Trailer Hitch Lock Kit Fits 2 in & 2-5/16 in Coupler with Easy Handle, Heavy Duty Anti-Theft Tow Locks 4 Keys & Weather Plugs for RV, Boat $32.39 Was $59.99
Sponsored
Now$3239
current price Now $32.39, Was $59.99$59.99
Kohree Trailer Hitch Lock Kit Fits 2 in & 2-5/16 in Coupler with Easy Handle, Heavy Duty Anti-Theft Tow Locks 4 Keys & Weather Plugs for RV, Boat
784.7 out of 5 Stars. 78 reviews
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AUTOXBERT Trailer Tongue Hitch Coupler Lock 1/4'' Dia 2-1/2'' Span Trailer Latch Lock for Latch-Type Coupler $12.99
$1299
current price $12.99AUTOXBERT Trailer Tongue Hitch Coupler Lock 1/4'' Dia 2-1/2'' Span Trailer Latch Lock for Latch-Type Coupler
74.6 out of 5 Stars. 7 reviews
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Rhino USA Trailer Hitch Coupler Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti-Theft Tongue Locks $54.90
$5490
current price $54.90Rhino USA Trailer Hitch Coupler Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti-Theft Tongue Locks
2454.1 out of 5 Stars. 245 reviews
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Flash Deal Kohree Trailer Hitch Lock Kit Fits 2 in & 2-5/16 in Coupler with Easy Handle, Heavy Duty Anti-Theft Tow Locks 4 Keys & Weather Plugs for RV, Boat $32.39 Was $59.99
Now$3239
current price Now $32.39, Was $59.99$59.99
Kohree Trailer Hitch Lock Kit Fits 2 in & 2-5/16 in Coupler with Easy Handle, Heavy Duty Anti-Theft Tow Locks 4 Keys & Weather Plugs for RV, Boat
784.7 out of 5 Stars. 78 reviews
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Master Lock 2847DAT Adjustable Stainless Steel Trailer Coupler Latch Lock 9/16 in. to 2-3/4 in. Long $11.88 Was $17.18
Now$1188
current price Now $11.88, Was $17.18$17.18
Master Lock 2847DAT Adjustable Stainless Steel Trailer Coupler Latch Lock 9/16 in. to 2-3/4 in. Long
324.1 out of 5 Stars. 32 reviews
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Reese Towpower 7066900 Universal Adjusting Trailer Coupler Security Lock, Yellow $16.51
$1651
current price $16.51Reese Towpower 7066900 Universal Adjusting Trailer Coupler Security Lock, Yellow
323.8 out of 5 Stars. 32 reviews
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TowSmart ProClass Coupler Lock, Heavy Duty, Fits 1-7/8in, 2in, and 2-5/16in Couplers, 7329, 1 Each $43.34
$4334
current price $43.34TowSmart ProClass Coupler Lock, Heavy Duty, Fits 1-7/8in, 2in, and 2-5/16in Couplers, 7329, 1 Each
644.3 out of 5 Stars. 64 reviews
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Kohree RV Trailer Hitch Locks Heavy Duty Trailer Coupler Lock Fits 2-5/16 inch, 1-7/8" Couplers with 4 Keys & 4 Dust Covers, Orange Was $99.99
2 options
Available in additional 2 optionsKohree RV Trailer Hitch Locks Heavy Duty Trailer Coupler Lock Fits 2-5/16 inch, 1-7/8" Couplers with 4 Keys & 4 Dust Covers, Orange
1184.7 out of 5 Stars. 118 reviews
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Handyway Coupler Lock $7.99
$799
current price $7.99Handyway Coupler Lock
35 out of 5 Stars. 3 reviews
Rhino USA Trailer Hitch Coupler Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti-Theft Tongue Locks $54.90
Sponsored
$5490
current price $54.90Rhino USA Trailer Hitch Coupler Lock Kit (for 2-5/16" Trailers) Heavy Duty Anti-Theft Tongue Locks
2454.1 out of 5 Stars. 245 reviews
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Best seller TowSmart Trailer Coupler Safety Pin, Quick Latch, 1/4in Pin, 2-3/4in Span, Zinc Plated Steel, 7366 From $2.62
Sponsored
From$262
TowSmart Trailer Coupler Safety Pin, Quick Latch, 1/4in Pin, 2-3/4in Span, Zinc Plated Steel, 7366
884.5 out of 5 Stars. 88 reviews
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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, Black, Lightweight From $18.99
From$1899
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, Black, Lightweight
314.6 out of 5 Stars. 31 reviews
Best seller TowSmart Trailer Coupler Safety Pin, Quick Latch, 1/4in Pin, 2-3/4in Span, Zinc Plated Steel, 7366 From $2.62
3 options
Available in additional 3 optionsFrom$262
TowSmart Trailer Coupler Safety Pin, Quick Latch, 1/4in Pin, 2-3/4in Span, Zinc Plated Steel, 7366
884.5 out of 5 Stars. 88 reviews
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Rhino USA Trailer Hitch Coupler Lock Kit (for 2" Trailer) Heavy Duty Anti-Theft Tongue Locks $54.90 $27.45/lb
$5490
current price $54.90$27.45/lb
Rhino USA Trailer Hitch Coupler Lock Kit (for 2" Trailer) Heavy Duty Anti-Theft Tongue Locks
2284.1 out of 5 Stars. 228 reviews
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Heavy Duty Universal Coupler Lock for Towing Security, Multi-Size Compatibility $37.92
$3792
current price $37.92Heavy Duty Universal Coupler Lock for Towing Security, Multi-Size Compatibility
44.8 out of 5 Stars. 4 reviews
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Trailer Hitch Coupler Lock Dia 1/4" Span 3/4" for Tow Boat RV Truck Car + 2 Keys, for Tow Ball Security on Trailer, RV, Truck, and Boat $8.99
$899
current price $8.99Trailer Hitch Coupler Lock Dia 1/4" Span 3/4" for Tow Boat RV Truck Car + 2 Keys, for Tow Ball Security on Trailer, RV, Truck, and Boat
13 out of 5 Stars. 1 reviews
Best seller AUTOXBERT Trailer Lock Hitch Tow Ball Lock Towing Coupler Lock Caravan Security for 1-7/8 2 2-5/16
2 options
Available in additional 2 optionsAUTOXBERT Trailer Lock Hitch Tow Ball Lock Towing Coupler Lock Caravan Security for 1-7/8 2 2-5/16
25 out of 5 Stars. 2 reviews
CT Johnson C6B-TCL3YL Trailer Coupler Lock $25.55 $25.55/count
$2555
current price $25.55$25.55/count
CT Johnson C6B-TCL3YL Trailer Coupler Lock
24.5 out of 5 Stars. 2 reviews
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Reese Universal Coupler Lock $32.79
$3279
current price $32.79Reese Universal Coupler Lock
374.5 out of 5 Stars. 37 reviews
TowSmart ProClass Coupler Lock, Heavy Duty, Fits 1-7/8in, 2in, and 2-5/16in Couplers, 7329, 1 Each $43.34
Sponsored
$4334
current price $43.34TowSmart ProClass Coupler Lock, Heavy Duty, Fits 1-7/8in, 2in, and 2-5/16in Couplers, 7329, 1 Each
644.3 out of 5 Stars. 64 reviews
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Rhino USA Trailer Coupler Lock Kit with Hitch Pin From $47.34
Sponsored
From$4734
Rhino USA Trailer Coupler Lock Kit with Hitch Pin
1283.8 out of 5 Stars. 128 reviews
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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, Black $19.99
$1999
current price $19.99RETRUE 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, Black
34.3 out of 5 Stars. 3 reviews
Trailer Hitch Tongue Lock Safety Pin Coupler Lock Main Switch Padlock Heavy Duty Secure $9.41
$941
current price $9.41Trailer Hitch Tongue Lock Safety Pin Coupler Lock Main Switch Padlock Heavy Duty Secure
Master Lock Universal Trailer Coupler Lock $44.17
$4417
current price $44.17Master Lock Universal Trailer Coupler Lock
VEVOR Trailer Hitch Lock, Fits for 1-7/8 in, 2 in, 2-5/16 in Couplers, Heavy-Duty Anti-Theft Trailer Ball Lock with 3 Keys, Prying-Resistant & Impact-Resistant, Fits for RVs, Boats, Trailers, Black $21.90 Was $24.49
Now$2190
current price Now $21.90, Was $24.49$24.49
VEVOR Trailer Hitch Lock, Fits for 1-7/8 in, 2 in, 2-5/16 in Couplers, Heavy-Duty Anti-Theft Trailer Ball Lock with 3 Keys, Prying-Resistant & Impact-Resistant, Fits for RVs, Boats, Trailers, Black
34.7 out of 5 Stars. 3 reviews
CZC AUTO Trailer Tongue Coupler Lock 1/4" Dia, 7/8" Span, Trailer Hitch Lock Fit Latch-Type Coupler, Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (2 Pack $17.99
$1799
current price $17.99CZC AUTO Trailer Tongue Coupler Lock 1/4" Dia, 7/8" Span, Trailer Hitch Lock Fit Latch-Type Coupler, Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (2 Pack
RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler, Red $12.99
$1299
current price $12.99RETRUE Trailer Tongue Coupler Lock, Trailer Hitch Lock,Dia 1/4 Inch, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler, Red
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, Black $19.99
$1999
current price $19.99RETRUE 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, Black
RETRUE Universal Coupler Lock Heavy-Duty Trailer Hitch Locks Ball Hitch Tow Hitch Lock for 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers, Grey From $29.99
From$2999
RETRUE Universal Coupler Lock Heavy-Duty Trailer Hitch Locks Ball Hitch Tow Hitch Lock for 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers, Grey
23 out of 5 Stars. 2 reviews
ETHZZLE Trailer Coupler Pin Lock Heavy Duty Plated Silver Iron Galvanized for Car $7.84
$784
current price $7.84ETHZZLE Trailer Coupler Pin Lock Heavy Duty Plated Silver Iron Galvanized for Car
FONDOTIN Trailer Coupler Pin Lock Wear Resistant 1Set $7.01
$701
current price $7.01FONDOTIN Trailer Coupler Pin Lock Wear Resistant 1Set
LADYGYM 2026 New Zinc Alloy Trailer Lock Padlocks Trailer Tongue Lock Hitch Coupler Lock $10.19
$1019
current price $10.19LADYGYM 2026 New Zinc Alloy Trailer Lock Padlocks Trailer Tongue Lock Hitch Coupler Lock
OATIPHO Heavy Duty Trailer Coupler Pin Lock with Spring Clip Plated Silver Metal Replacement for Truck and Trailer $13.90
$1390
current price $13.90OATIPHO Heavy Duty Trailer Coupler Pin Lock with Spring Clip Plated Silver Metal Replacement for Truck and Trailer
CIMAXIC Yellow Trailer Coupler Padlocks Solid Brass Trailer Locks Corrosion Resistant and Tamper Proof $8.51 Was $12.86
Now$851
current price Now $8.51, Was $12.86$12.86
CIMAXIC Yellow Trailer Coupler Padlocks Solid Brass Trailer Locks Corrosion Resistant and Tamper Proof
RETRUE Universal Trailer Ball Lock Hitch Coupler Locks Fits 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers Adjustable Security with Weatherproof Cover and Cap, Blue $19.99
$1999
current price $19.99RETRUE Universal Trailer Ball Lock Hitch Coupler Locks Fits 1-7/8 Inch, 2 Inch, 2-5/16 Inch Couplers Adjustable Security with Weatherproof Cover and Cap, Blue
MASTERLOCK 3794DAT Trailer Coupler Lock $92.25
$9225
current price $92.25MASTERLOCK 3794DAT Trailer Coupler Lock
TMC10 Trailer Coupler Lock $29.27
$2927
current price $29.27TMC10 Trailer Coupler Lock
XUKEY Trailer Hitch Coupler Lock Out Ball Tongue Heavy-Duty Steel 1 7/8" 2" 2 5/16" + 2 Keys $18.99
$1899
current price $18.99XUKEY Trailer Hitch Coupler Lock Out Ball Tongue Heavy-Duty Steel 1 7/8" 2" 2 5/16" + 2 Keys
384.6 out of 5 Stars. 38 reviews
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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)
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)
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