Shop Most Secure Coupler Lock

Sponsored
About our ads
$56.43
Jeep Gladiator Trimax Locks 5/8-Inch Receiver Lock And 3-1/2-Inch Coupler Lock
Extreme Terrain
27
$56.43
Jeep Gladiator Trimax Locks 5/8-Inch Receiver Lock And 3-1/2-Inch Coupler Lock
Extreme Terrain
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Auto-Locking Coupler
Extreme Terrain
1
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Auto-Locking Coupler
Extreme Terrain
$80.99
VEVOR Trailer Coupler Lock Fits 2-5/16-Inch Cast/Bulldog Trailer Couplers Heavy Duty Trailer Hitch Lock With 3 Keys Corrision-Resistant Anti-Theft
VEVOR
$80.99
VEVOR Trailer Coupler Lock Fits 2-5/16-Inch Cast/Bulldog Trailer Couplers Heavy Duty Trailer Hitch Lock With 3 Keys Corrision-Resistant Anti-Theft
VEVOR
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Coupler V1
Extreme Terrain
1
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Coupler V1
Extreme Terrain
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$55.90
VEVOR Collar Coupler Lock Fits 2 & 2-5/16-Inch Demco Cast Head Couplers Trailer Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant
VEVOR
$55.90
VEVOR Collar Coupler Lock Fits 2 & 2-5/16-Inch Demco Cast Head Couplers Trailer Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant
VEVOR
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
1K+
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
$14.40
Master Lock 2847DAT Adjustable Coupler Lock
RVupgradestore
1
$14.40
Master Lock 2847DAT Adjustable Coupler Lock
RVupgradestore
$59.49
Fulton Gorilla Guard Trailer Coupler Lock 63227
wholesalemarine
$59.49
Fulton Gorilla Guard Trailer Coupler Lock 63227
wholesalemarine
$15.50
Trimax TC123 Adjustable Coupler Lock - 7/8", 2-1/2", 3-1/2"
RVupgradestore
$15.50
Trimax TC123 Adjustable Coupler Lock - 7/8", 2-1/2", 3-1/2"
RVupgradestore
$120.00
Trailer Coupler Lock 2-5/16" Heavy-Duty Anti-Theft Hitch RV Boat Pickup
USA eBay
Free shipping
$120.00
Trailer Coupler Lock 2-5/16" Heavy-Duty Anti-Theft Hitch RV Boat Pickup
USA eBay
$29.99
CURT Curt Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) - 23523 - SOUTHWEST WHEEL
Southwest Wheel
259
$29.99
CURT Curt Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) - 23523 - SOUTHWEST WHEEL
Southwest Wheel
$318.48
Trailer Coupler Security, 2 5/16"", Heavy,Duty Lock, USA Made, Reliable
eBay.com
Free shipping
$318.48
Trailer Coupler Security, 2 5/16"", Heavy,Duty Lock, USA Made, Reliable
eBay.com
$364.95
The Icon Trailer Coupler Lock 2-5/16" Ball Extreme Duty Patented Anti-Theft Design
RecPro
Free shipping
$364.95
The Icon Trailer Coupler Lock 2-5/16" Ball Extreme Duty Patented Anti-Theft Design
RecPro
$89.95
Bulletproof Hitches Bulletproof Extreme-Duty Coupler Lock | Camping World
Camping World
51
$89.95
Bulletproof Hitches Bulletproof Extreme-Duty Coupler Lock | Camping World
Camping World
$25.99
CURT Curt Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black) - 23521 - SOUTHWEST WHEEL
Southwest Wheel
2K+
$25.99
CURT Curt Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black) - 23521 - SOUTHWEST WHEEL
Southwest Wheel
$99.95
Trailer Coupler Lock Heavy Duty Steel Fits 2" Couplers Anti Theft Hitch Lock RV
US eBay
Free shipping
$99.95
Trailer Coupler Lock Heavy Duty Steel Fits 2" Couplers Anti Theft Hitch Lock RV
US eBay
$68.04
Towsmart Trailer Coupler Lock Kit - 1-7/8, 2, And 2-5/16 Couplers W/ Hitch Lock & Coupler Lock TS84FR
etrailer.com
75
$68.04
Towsmart Trailer Coupler Lock Kit - 1-7/8, 2, And 2-5/16 Couplers W/ Hitch Lock & Coupler Lock TS84FR
etrailer.com
$43.49
Master Lock 1-7/8", 2", And 2-5/16" Trailer Coupler Lock - Gray - Keyed Alike ML377KA
etrailer.com
$43.49
Master Lock 1-7/8", 2", And 2-5/16" Trailer Coupler Lock - Gray - Keyed Alike ML377KA
etrailer.com
$17.45
Trimax TC1 Trailer Coupler Lock For 1/2" To 7/8" Span Couplers
RVupgradestore
$17.45
Trimax TC1 Trailer Coupler Lock For 1/2" To 7/8" Span Couplers
RVupgradestore
$30.49
CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Solid Brass), 23546
Advance Auto Parts
23
$30.49
CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Solid Brass), 23546
Advance Auto Parts
$56.32
Fastway Universal Coupler Lock For 1-7/8", 2" And 2-5/16" Couplers - Key 310 FA86-0015-310
etrailer.com
$56.32
Fastway Universal Coupler Lock For 1-7/8", 2" And 2-5/16" Couplers - Key 310 FA86-0015-310
etrailer.com
$60.95
Master Lock Gray Zinc Die Cast Coupler Lock
Airgas
1K+
$60.95
Master Lock Gray Zinc Die Cast Coupler Lock
Airgas
$28.99
Trimax Stainless Steel Coupler Lock, 7/8" Span | Camping World
Camping World
81
$28.99
Trimax Stainless Steel Coupler Lock, 7/8" Span | Camping World
Camping World
$31.32
Masterlock 389DAT Universal Coupler Lock
Hardware World
17K+
$31.32
Masterlock 389DAT Universal Coupler Lock
Hardware World
$19.99
CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black), 23521
Advance Auto Parts
2K+
$19.99
CURT Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black), 23521
Advance Auto Parts
$102.30
Trimax Universal Premium 9/16" Shackle Solid-Hardened Steel Trailer Coupler Lock
USA eBay
22
Free shipping
$102.30
Trimax Universal Premium 9/16" Shackle Solid-Hardened Steel Trailer Coupler Lock
USA eBay
$131.31
Trailer Coupler Lock Only For 2-5/16" Ball Coupler Heavy Duty Anti-Theft Hitc...
US eBay
Free shipping
$131.31
Trailer Coupler Lock Only For 2-5/16" Ball Coupler Heavy Duty Anti-Theft Hitc...
US eBay
$44.99
Master Lock Silver Alloy Steel Trailer Coupler Lock - 377KA-0313
Acme Tools
$44.99
Master Lock Silver Alloy Steel Trailer Coupler Lock - 377KA-0313
Acme Tools
$43.99
CURT Hitch/Coupler Lock Set (2in. Receiver 2-1/2in. Latch), 23527
Advance Auto Parts
101
$43.99
CURT Hitch/Coupler Lock Set (2in. Receiver 2-1/2in. Latch), 23527
Advance Auto Parts
$47.99
Master Lock Silver Trailer Coupler Lock For 1-7/8 Inch, 2 Inch, And 2-5/16 Inch - 377KA
Acme Tools
5
$47.99
Master Lock Silver Trailer Coupler Lock For 1-7/8 Inch, 2 Inch, And 2-5/16 Inch - 377KA
Acme Tools
$53.99
Fastway U-Shape Universal Coupler Lock | Camping World
Camping World
2
$53.99
Fastway U-Shape Universal Coupler Lock | Camping World
Camping World
$75.00
Trailer Lock, Heavy Duty Trailer Coupler Lock Fits For 2" And 2-5/16" Couplers
US eBay
Free shipping
$75.00
Trailer Lock, Heavy Duty Trailer Coupler Lock Fits For 2" And 2-5/16" Couplers
US eBay
$69.90
VEVOR Trailer Lock Fits 2-5/16-Inch Airstream Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant Anti-Theft Trailer
VEVOR
$69.90
VEVOR Trailer Lock Fits 2-5/16-Inch Airstream Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant Anti-Theft Trailer
VEVOR
$24.99
Brok Anti-Towing Universal Coupler Lock
Cabela's
$24.99
Brok Anti-Towing Universal Coupler Lock
Cabela's
$45.99
Fulton Universal Trailer Coupler Lock
wholesalemarine
$45.99
Fulton Universal Trailer Coupler Lock
wholesalemarine
Our Model-GB Gooseneck coupler lock is easy to install, and fits the most common BullDog gooseneck couplers. Our GB coupler lock comes in two styles and sizes for a perfect fit on square or round style drop tubes! Need help picking the right lock for your trailer? Email or DM us a photo of your coupler for fitment assistance! Don't forget to pair your Model-GB with our Jam Bolt lock for Gooseneck couplers, to ensure maximum protection! Secure your trailer today at ProvenLocks.com! | Proven Indus
Our Model-GB Gooseneck coupler lock is easy to install, and fits the …
2.8K viewsJan 24, 2023
FacebookProven Industries
GanderLock Ultimate Gooseneck Trailer Lock
4:06
GanderLock Ultimate Gooseneck Trailer Lock
Nov 21, 2012
mrtrailer.com
AMPLock - U-BRP2516 Heavy Duty Trailer Coupler Lock 2 5/16, RV & Trailer Hitch Lock, Straight Lip Trailer Ball Lock, Travel Trailer Accessories, Anti Theft for Trailers & RV with Push & Lock System
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amazon
Top 5 Best & Most Secure Trailer Hitch Locks • (2025 Reviews)
Top 5 Best & Most Secure Trailer Hitch Locks • (2025 Reviews)
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Top 5 Best Wheel Locks for Trailers - [Ultimate 2025 Reviews]
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Shop Most Secure Coupler Lock

Sponsored
About our ads
$56.43
Jeep Gladiator Trimax Locks 5/8-Inch Receiver Lock And 3-1/2-Inch Coupler Lock
Extreme Terrain
27
$56.43
Jeep Gladiator Trimax Locks 5/8-Inch Receiver Lock And 3-1/2-Inch Coupler Lock
Extreme Terrain
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Auto-Locking Coupler
Extreme Terrain
1
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Auto-Locking Coupler
Extreme Terrain
$80.99
VEVOR Trailer Coupler Lock Fits 2-5/16-Inch Cast/Bulldog Trailer Couplers Heavy Duty Trailer Hitch Lock With 3 Keys Corrision-Resistant Anti-Theft
VEVOR
$80.99
VEVOR Trailer Coupler Lock Fits 2-5/16-Inch Cast/Bulldog Trailer Couplers Heavy Duty Trailer Hitch Lock With 3 Keys Corrision-Resistant Anti-Theft
VEVOR
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Coupler V1
Extreme Terrain
1
$349.00
Jeep Gladiator Altor Icon Trailer Coupler Lock For 2-5/16-Inch Hitch Ball Cast Coupler V1
Extreme Terrain
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$55.90
VEVOR Collar Coupler Lock Fits 2 & 2-5/16-Inch Demco Cast Head Couplers Trailer Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant
VEVOR
$55.90
VEVOR Collar Coupler Lock Fits 2 & 2-5/16-Inch Demco Cast Head Couplers Trailer Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant
VEVOR
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
1K+
$12.99
Master Lock Solid Brass Coupler Latch Lock With 3/4 in. (19Mm) Shackle - 605DAT
Acme Tools
$14.40
Master Lock 2847DAT Adjustable Coupler Lock
RVupgradestore
1
$14.40
Master Lock 2847DAT Adjustable Coupler Lock
RVupgradestore
$59.49
Fulton Gorilla Guard Trailer Coupler Lock 63227
wholesalemarine
$59.49
Fulton Gorilla Guard Trailer Coupler Lock 63227
wholesalemarine
$15.50
Trimax TC123 Adjustable Coupler Lock - 7/8", 2-1/2", 3-1/2"
RVupgradestore
$15.50
Trimax TC123 Adjustable Coupler Lock - 7/8", 2-1/2", 3-1/2"
RVupgradestore
$120.00
Trailer Coupler Lock 2-5/16" Heavy-Duty Anti-Theft Hitch RV Boat Pickup
USA eBay
Free shipping
$120.00
Trailer Coupler Lock 2-5/16" Heavy-Duty Anti-Theft Hitch RV Boat Pickup
USA eBay
$29.99
CURT Curt Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) - 23523 - SOUTHWEST WHEEL
Southwest Wheel
259
$29.99
CURT Curt Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) - 23523 - SOUTHWEST WHEEL
Southwest Wheel
$318.48
Trailer Coupler Security, 2 5/16"", Heavy,Duty Lock, USA Made, Reliable
eBay.com
Free shipping
$318.48
Trailer Coupler Security, 2 5/16"", Heavy,Duty Lock, USA Made, Reliable
eBay.com
$364.95
The Icon Trailer Coupler Lock 2-5/16" Ball Extreme Duty Patented Anti-Theft Design
RecPro
Free shipping
$364.95
The Icon Trailer Coupler Lock 2-5/16" Ball Extreme Duty Patented Anti-Theft Design
RecPro
$89.95
Bulletproof Hitches Bulletproof Extreme-Duty Coupler Lock | Camping World
Camping World
51
$89.95
Bulletproof Hitches Bulletproof Extreme-Duty Coupler Lock | Camping World
Camping World
$25.99
CURT Curt Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black) - 23521 - SOUTHWEST WHEEL
Southwest Wheel
2K+
$25.99
CURT Curt Coupler Lock (1/4" Pin, 3/4" Latch Span, Padlock, Black) - 23521 - SOUTHWEST WHEEL
Southwest Wheel
$99.95
Trailer Coupler Lock Heavy Duty Steel Fits 2" Couplers Anti Theft Hitch Lock RV
US eBay
Free shipping
$99.95
Trailer Coupler Lock Heavy Duty Steel Fits 2" Couplers Anti Theft Hitch Lock RV
US eBay
$68.04
Towsmart Trailer Coupler Lock Kit - 1-7/8, 2, And 2-5/16 Couplers W/ Hitch Lock & Coupler Lock TS84FR
etrailer.com
75
$68.04
Towsmart Trailer Coupler Lock Kit - 1-7/8, 2, And 2-5/16 Couplers W/ Hitch Lock & Coupler Lock TS84FR
etrailer.com