Shop Most Secure Coupler Lock

Sponsored
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$30.00
Metal Trailer Lock - Keyed Different, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Different, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$89.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV/Trailer/Cargo/Boat/Camper/
Amazon.com
Free shipping
$89.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV/Trailer/Cargo/Boat/Camper/
Amazon.com
$88.98
2025 Updated Trailer Hitch Lock -Anti Theft Coupler Lock Fits 1-7/8", 2" And 2-5/16" Couplers, Heavy Duty Trailer Tongue Lock With Weatherproof
Amazon.com
Free shipping
$88.98
2025 Updated Trailer Hitch Lock -Anti Theft Coupler Lock Fits 1-7/8", 2" And 2-5/16" Couplers, Heavy Duty Trailer Tongue Lock With Weatherproof
Amazon.com
$89.95
Extreme Duty Coupler Lock Coupler Lock
Bulletproof Hitches
$89.95
Extreme Duty Coupler Lock Coupler Lock
Bulletproof Hitches
$19.99
TOPICK Trailer Coupler Lock, Universal Coupler Ball Lock, Trailer Security Hitch Locks, Fits 1-7/8", 2", And 2-5/16" Couplers, Matte Black With PVC
Amazon.com
$19.99
TOPICK Trailer Coupler Lock, Universal Coupler Ball Lock, Trailer Security Hitch Locks, Fits 1-7/8", 2", And 2-5/16" Couplers, Matte Black With PVC
Amazon.com
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$168.00
California Immobilizer Coupler Lock: Universal, Yellow, Steel, Powder Coated, 3/4 in Raised Lip Model: G00109
Grainger
$168.00
California Immobilizer Coupler Lock: Universal, Yellow, Steel, Powder Coated, 3/4 in Raised Lip Model: G00109
Grainger
$89.99
Bulletproof Hitches Extreme Duty Coupler Lock
Tractor Supply Co.
$89.99
Bulletproof Hitches Extreme Duty Coupler Lock
Tractor Supply Co.
$545.11
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP005.2000
Grainger
$545.11
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP005.2000
Grainger
$89.95
Bulletproof Hitches EDCOUPLERLOCK: Bulletproof Hitches Extreme-Duty Coupler Locks
Summit Racing
$89.95
Bulletproof Hitches EDCOUPLERLOCK: Bulletproof Hitches Extreme-Duty Coupler Locks
Summit Racing
$49.95
Medium Duty Coupler Lock Single Medium Duty Coupler Lock
Bulletproof Hitches
$49.95
Medium Duty Coupler Lock Single Medium Duty Coupler Lock
Bulletproof Hitches
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
11% off
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$74.94
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Toyota Key BL7032495
etrailer.com
$74.94
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Toyota Key BL7032495
etrailer.com
$68.90
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
$68.90
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
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$89.99
Bulletproof Hitches Extreme Duty Pintle Coupler Lock
Tractor Supply Co.
$89.99
Bulletproof Hitches Extreme Duty Pintle Coupler Lock
Tractor Supply Co.
$89.95
$107.94
Bulletproof Hitches Extreme Duty Pintle Coupler Lock Model PINTLELOCK
Elite Truck
16% off
$89.95
$107.94
Bulletproof Hitches Extreme Duty Pintle Coupler Lock Model PINTLELOCK
Elite Truck
$49.95
Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
Elite Truck
$49.95
Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
Elite Truck
$88.10
Buyers Products Adjustable Cast Steel Coupler With Sleeve Lock Latch Model 5431700
Elite Truck
$88.10
Buyers Products Adjustable Cast Steel Coupler With Sleeve Lock Latch Model 5431700
Elite Truck
$37.95
Master Lock Universal Coupler Lock, Rekeyable Cylinder, Fits 1-7/8", 2" & 2-5/16", 379ATPY
Global Industrial
$37.95
Master Lock Universal Coupler Lock, Rekeyable Cylinder, Fits 1-7/8", 2" & 2-5/16", 379ATPY
Global Industrial
$149.95
Extreme Duty Coupler Lock Black Ops Extreme Trailer Lock Set
Bulletproof Hitches
$149.95
Extreme Duty Coupler Lock Black Ops Extreme Trailer Lock Set
Bulletproof Hitches
$236.52
Trailer Hitch Coupler Lock 2 5/16" High Security Fits Demco And Others
Everymarket INC
$236.52
Trailer Hitch Coupler Lock 2 5/16" High Security Fits Demco And Others
Everymarket INC
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$109.85
Master Lock UMAX100 Universal Coupler Lock 1St-In-Padlocks, Keyed Alike - Same Key Opens All Locks
1st-in-Padlocks
$109.85
Master Lock UMAX100 Universal Coupler Lock 1St-In-Padlocks, Keyed Alike - Same Key Opens All Locks
1st-in-Padlocks
$43.41
Draw-Tite Trailer Coupler Lock, Fits 2-5/16 in. Coupler, Gorilla Guard
TowUniverse.com
$43.41
Draw-Tite Trailer Coupler Lock, Fits 2-5/16 in. Coupler, Gorilla Guard
TowUniverse.com
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$42.94
UMAX25D UNIVERSAL COUPLER LOCK - 1st In Padlocks Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$42.94
UMAX25D UNIVERSAL COUPLER LOCK - 1st In Padlocks Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$77.62
UMAX50D UNIVERSAL COUPLER LOCK - 1st In Padlocks Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$77.62
UMAX50D UNIVERSAL COUPLER LOCK - 1st In Padlocks Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$88.75
Trimax Premium Universal Dual Purpose Coupler Lock: Umax100
Walmart
Free shipping
$88.75
Trimax Premium Universal Dual Purpose Coupler Lock: Umax100
Walmart
$92.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Straight Tongue Ball Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Anti-Theft Rv Trailer
VEVOR
$92.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Straight Tongue Ball Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Anti-Theft Rv Trailer
VEVOR
$89.95
Bulletproof Extreme Duty Coupler Lock
Cognito Motorsports
Free shipping
$89.95
Bulletproof Extreme Duty Coupler Lock
Cognito Motorsports
$84.90
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
$84.90
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
Master Lock Trailer Coupler Lock Review
2:50
Master Lock Trailer Coupler Lock Review
Oct 26, 2023
etrailer.com
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
0:31
Our Model-GB Gooseneck coupler lock is easy to install, and fits the most co…
2.9K viewsJan 24, 2023
FacebookProven Industries
Top 5 Best & Most Secure Trailer Hitch Locks • (2026 Reviews)
Top 5 Best & Most Secure Trailer Hitch Locks • (2026 Reviews)
Aug 2, 2020
antitheftboss.com
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Shop Most Secure Coupler Lock

Sponsored
About our ads
$30.00
Metal Trailer Lock - Keyed Different, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Different, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$89.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV/Trailer/Cargo/Boat/Camper/
Amazon.com
Free shipping
$89.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV/Trailer/Cargo/Boat/Camper/
Amazon.com
$88.98
2025 Updated Trailer Hitch Lock -Anti Theft Coupler Lock Fits 1-7/8", 2" And 2-5/16" Couplers, Heavy Duty Trailer Tongue Lock With Weatherproof
Amazon.com
Free shipping
$88.98
2025 Updated Trailer Hitch Lock -Anti Theft Coupler Lock Fits 1-7/8", 2" And 2-5/16" Couplers, Heavy Duty Trailer Tongue Lock With Weatherproof
Amazon.com
$89.95
Extreme Duty Coupler Lock Coupler Lock
Bulletproof Hitches
$89.95
Extreme Duty Coupler Lock Coupler Lock
Bulletproof Hitches
$19.99
TOPICK Trailer Coupler Lock, Universal Coupler Ball Lock, Trailer Security Hitch Locks, Fits 1-7/8", 2", And 2-5/16" Couplers, Matte Black With PVC
Amazon.com
$19.99
TOPICK Trailer Coupler Lock, Universal Coupler Ball Lock, Trailer Security Hitch Locks, Fits 1-7/8", 2", And 2-5/16" Couplers, Matte Black With PVC
Amazon.com
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$168.00
California Immobilizer Coupler Lock: Universal, Yellow, Steel, Powder Coated, 3/4 in Raised Lip Model: G00109
Grainger
$168.00
California Immobilizer Coupler Lock: Universal, Yellow, Steel, Powder Coated, 3/4 in Raised Lip Model: G00109
Grainger
$89.99
Bulletproof Hitches Extreme Duty Coupler Lock
Tractor Supply Co.
$89.99
Bulletproof Hitches Extreme Duty Coupler Lock
Tractor Supply Co.
$545.11
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP005.2000
Grainger
$545.11
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP005.2000
Grainger
$89.95
Bulletproof Hitches EDCOUPLERLOCK: Bulletproof Hitches Extreme-Duty Coupler Locks
Summit Racing
$89.95
Bulletproof Hitches EDCOUPLERLOCK: Bulletproof Hitches Extreme-Duty Coupler Locks
Summit Racing
$49.95
Medium Duty Coupler Lock Single Medium Duty Coupler Lock
Bulletproof Hitches
$49.95
Medium Duty Coupler Lock Single Medium Duty Coupler Lock
Bulletproof Hitches
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
11% off
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$74.94
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Toyota Key BL7032495
etrailer.com
$74.94
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Toyota Key BL7032495
etrailer.com
$68.90
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
$68.90
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
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial