Shop Most Secure Coupler Lock

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$24.99
Seton Tamper Evident Plastic Security Lock Seals | Blue, Made With Plastic | 1/2" H X 1/2" W X 7-1/2" L
Seton
$24.99
Seton Tamper Evident Plastic Security Lock Seals | Blue, Made With Plastic | 1/2" H X 1/2" W X 7-1/2" L
Seton
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Green, Made With Plastic | 1/2" H X 1/2" W X 7.5" L
Seton
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Green, Made With Plastic | 1/2" H X 1/2" W X 7.5" L
Seton
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Orange, Made With Plastic | 1/2" W X 7-1/2" L
Seton
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Orange, Made With Plastic | 1/2" W X 7-1/2" L
Seton
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$78.82
UMAX50D UNIVERSAL COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
4K+
$78.82
UMAX50D UNIVERSAL COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$0.01
Duraline - 20005097 - Coupler, Clear Lock, HDPE 2"-Dura-Line
Netceed
$0.01
Duraline - 20005097 - Coupler, Clear Lock, HDPE 2"-Dura-Line
Netceed
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
1K+
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
$170.74
Master Lock 387 Trailer Coupler Lock 1St-In-Padlocks, Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$170.74
Master Lock 387 Trailer Coupler Lock 1St-In-Padlocks, Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$261.55
UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK, Keyed Alike - All Locks Open With Same Key / Stainless Steel / 1-7/8" & 2" Couplers
1st-in-Padlocks
$261.55
UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK, Keyed Alike - All Locks Open With Same Key / Stainless Steel / 1-7/8" & 2" Couplers
1st-in-Padlocks
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
17K+
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$13.62
Master Lock Coupler Latch Lock 9/16 To 2-3/4 in OAL Stainless Steel 2847DAT
DkHardware.com
1
$13.62
Master Lock Coupler Latch Lock 9/16 To 2-3/4 in OAL Stainless Steel 2847DAT
DkHardware.com
$33.88
Anti-Theft Peg Hook Lock , STL-36 By Clip Strip
clipstrip.com
$33.88
Anti-Theft Peg Hook Lock , STL-36 By Clip Strip
clipstrip.com
$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, Boat, Pickup(Red
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, Boat, Pickup(Red
Amazon.com
$69.65
Blaylock Trailer Coupler Lock With Disc Padlock - Fits 2in. And 2-5/16in. Couplers, Heavy-Duty Aircraft Aluminum, Model TL-33-40-D
Northern Tool
Free shipping
$69.65
Blaylock Trailer Coupler Lock With Disc Padlock - Fits 2in. And 2-5/16in. Couplers, Heavy-Duty Aircraft Aluminum, Model TL-33-40-D
Northern Tool
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$1.65
Lock Tite Fastener, PIF-620 By Clip Strip
clipstrip.com
$1.65
Lock Tite Fastener, PIF-620 By Clip Strip
clipstrip.com
$109.99
Btanadi Trailer Lock Fits 2 5/16 Inch Coupler, Upgraded Heavy-Duty Steel Hitch Lock, Anti-Theft & Pry-Resistant For RV, Boat, Cargo Trailer (Red)
Amazon.com
46
Free shipping
$109.99
Btanadi Trailer Lock Fits 2 5/16 Inch Coupler, Upgraded Heavy-Duty Steel Hitch Lock, Anti-Theft & Pry-Resistant For RV, Boat, Cargo Trailer (Red)
Amazon.com
$27.59
Magnetic Key For Anti-Theft Peg Hook-Lock , MKL-46 By Clip Strip
clipstrip.com
$27.59
Magnetic Key For Anti-Theft Peg Hook-Lock , MKL-46 By Clip Strip
clipstrip.com
$295.00
Proven Industries Trailer Lock, Model 2517-D1, Fits 2 5/16 in Demco Cast Trailer Couplers, 2 Keys Included, Heavy-Duty Security, Hardened Steel,
Amazon.com
4
Free shipping
$295.00
Proven Industries Trailer Lock, Model 2517-D1, Fits 2 5/16 in Demco Cast Trailer Couplers, 2 Keys Included, Heavy-Duty Security, Hardened Steel,
Amazon.com
$44.99
2Pk Keyed Alike Heavy Duty Trailer Coupler Lock - Fit 1-7/8", 2" & 2-5/16"
MyteeProducts
$44.99
2Pk Keyed Alike Heavy Duty Trailer Coupler Lock - Fit 1-7/8", 2" & 2-5/16"
MyteeProducts
$97.74
Quick Coupler Lock 444-7504
Big Rig World
$97.74
Quick Coupler Lock 444-7504
Big Rig World
$9.79
Brok Adjustable Coupler Lock | For Trailers | By West Marine
WestMarine
$9.79
Brok Adjustable Coupler Lock | For Trailers | By West Marine
WestMarine
$12.00
2" IPS E-Loc Coupler-ETCO
Netceed
$12.00
2" IPS E-Loc Coupler-ETCO
Netceed
$30.99
Reese Universal Coupler Lock, Fits 1-7/8 In., 2 In., And 2-5/16 in. Couplers, Yellow, 72783
Advance Auto Parts
$30.99
Reese Universal Coupler Lock, Fits 1-7/8 In., 2 In., And 2-5/16 in. Couplers, Yellow, 72783
Advance Auto Parts
$17.99
Master Lock Adjustable Coupler Latch Lock | For Trailers | By West Marine
WestMarine
1
$17.99
Master Lock Adjustable Coupler Latch Lock | For Trailers | By West Marine
WestMarine
$31.49
Mustang BOLT Lock Trailer Coupler Pin Lock For Double Cut Keys
American Muscle
646
$31.49
Mustang BOLT Lock Trailer Coupler Pin Lock For Double Cut Keys
American Muscle
$164.89
Equipment Lock Co. Attachment Lock Long - Keyed Alike, Model ALL-KA
Northern Tool
$164.89
Equipment Lock Co. Attachment Lock Long - Keyed Alike, Model ALL-KA
Northern Tool
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$19.99
Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$182.99
Each Master Lock® Outdoor Bluetooth Padlock Security
Emedco
$182.99
Each Master Lock® Outdoor Bluetooth Padlock Security
Emedco
$7.24
$28.99
Seafit Trailer Coupler Lock, Brass With Stainless Steel Pin | By West Marine
WestMarine
75% off
$7.24
$28.99
Seafit Trailer Coupler Lock, Brass With Stainless Steel Pin | By West Marine
WestMarine
$89.95
Extreme Duty Coupler Lock Coupler Lock
Bulletproof Hitches
$89.95
Extreme Duty Coupler Lock Coupler Lock
Bulletproof Hitches
$69.99
Mustang BOLT Lock Off-Vehicle Trailer Coupler Lock For Center Cut Keys
American Muscle
10
$69.99
Mustang BOLT Lock Off-Vehicle Trailer Coupler Lock For Center Cut Keys
American Muscle
$46.99
Fulton Universal Trailer Coupler Lock
wholesalemarine
$46.99
Fulton Universal Trailer Coupler Lock
wholesalemarine
$31.99
Master Lock SS RECIVER/COUPLER, 2848DAT
Advance Auto Parts
1K+
$31.99
Master Lock SS RECIVER/COUPLER, 2848DAT
Advance Auto Parts
Review of Weigh Safe Coupler Padlock Coupler Latch Lock Set - WS26ZR
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Review of Weigh Safe Coupler Padlock Coupler Latch Lock Set - …
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etrailer.com
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 …
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
Premium Adjustable Coupler Lock for Ultimate Trailer Security
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Shop Most Secure Coupler Lock

Sponsored
About our ads
$24.99
Seton Tamper Evident Plastic Security Lock Seals | Blue, Made With Plastic | 1/2" H X 1/2" W X 7-1/2" L
Seton
$24.99
Seton Tamper Evident Plastic Security Lock Seals | Blue, Made With Plastic | 1/2" H X 1/2" W X 7-1/2" L
Seton
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Green, Made With Plastic | 1/2" H X 1/2" W X 7.5" L
Seton
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Green, Made With Plastic | 1/2" H X 1/2" W X 7.5" L
Seton
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Orange, Made With Plastic | 1/2" W X 7-1/2" L
Seton
$73.99
Seton Tamper Evident Plastic Security Lock Seals | Orange, Made With Plastic | 1/2" W X 7-1/2" L
Seton
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$78.82
UMAX50D UNIVERSAL COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
4K+
$78.82
UMAX50D UNIVERSAL COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$0.01
Duraline - 20005097 - Coupler, Clear Lock, HDPE 2"-Dura-Line
Netceed
$0.01
Duraline - 20005097 - Coupler, Clear Lock, HDPE 2"-Dura-Line
Netceed
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
1K+
$15.92
Master Lock Coupler Latch Lock With Shackle Keyed Lock 3/4 in Dia Shackle Brass Tan 605DAT
DkHardware.com
$170.74
Master Lock 387 Trailer Coupler Lock 1St-In-Padlocks, Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$170.74
Master Lock 387 Trailer Coupler Lock 1St-In-Padlocks, Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$261.55
UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK, Keyed Alike - All Locks Open With Same Key / Stainless Steel / 1-7/8" & 2" Couplers
1st-in-Padlocks
$261.55
UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK, Keyed Alike - All Locks Open With Same Key / Stainless Steel / 1-7/8" & 2" Couplers
1st-in-Padlocks
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
17K+
$46.12
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$13.62
Master Lock Coupler Latch Lock 9/16 To 2-3/4 in OAL Stainless Steel 2847DAT
DkHardware.com
1
$13.62
Master Lock Coupler Latch Lock 9/16 To 2-3/4 in OAL Stainless Steel 2847DAT
DkHardware.com
$33.88
Anti-Theft Peg Hook Lock , STL-36 By Clip Strip
clipstrip.com
$33.88
Anti-Theft Peg Hook Lock , STL-36 By Clip Strip
clipstrip.com
$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, Boat, Pickup(Red
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, Boat, Pickup(Red
Amazon.com
$69.65
Blaylock Trailer Coupler Lock With Disc Padlock - Fits 2in. And 2-5/16in. Couplers, Heavy-Duty Aircraft Aluminum, Model TL-33-40-D
Northern Tool
Free shipping
$69.65
Blaylock Trailer Coupler Lock With Disc Padlock - Fits 2in. And 2-5/16in. Couplers, Heavy-Duty Aircraft Aluminum, Model TL-33-40-D
Northern Tool
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$1.65
Lock Tite Fastener, PIF-620 By Clip Strip
clipstrip.com
$1.65
Lock Tite Fastener, PIF-620 By Clip Strip
clipstrip.com
$109.99
Btanadi Trailer Lock Fits 2 5/16 Inch Coupler, Upgraded Heavy-Duty Steel Hitch Lock, Anti-Theft & Pry-Resistant For RV, Boat, Cargo Trailer (Red)
Amazon.com
46
Free shipping
$109.99
Btanadi Trailer Lock Fits 2 5/16 Inch Coupler, Upgraded Heavy-Duty Steel Hitch Lock, Anti-Theft & Pry-Resistant For RV, Boat, Cargo Trailer (Red)
Amazon.com