Shop best security trailer coupler lock

Sponsored
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$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
3K+
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$49.95
$59.94
Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
Elite Truck
16% off
$49.95
$59.94
Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
Elite Truck
$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
$23.08
TC3 KEYED ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
10
$23.08
TC3 KEYED ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$19.95
$23.94
Bulletproof Hitches Trailer Latch Lock Model LATCHLOCK
Elite Truck
8
16% off
$19.95
$23.94
Bulletproof Hitches Trailer Latch Lock Model LATCHLOCK
Elite Truck
$68.01
TM5123 KEYED RECEIVER & ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$68.01
TM5123 KEYED RECEIVER & ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$31.27
Trimax Puck Lock For Trailer Door Hasps - 3/8" Shackle - Steel - Chrome TMX88ZR
etrailer.com
664
$31.27
Trimax Puck Lock For Trailer Door Hasps - 3/8" Shackle - Steel - Chrome TMX88ZR
etrailer.com
$34.99
Master Lock Lock And Adjustable Coupler Latch Lock Package | For Trailers | By West Marine
WestMarine
$34.99
Master Lock Lock And Adjustable Coupler Latch Lock Package | For Trailers | By West Marine
WestMarine
$83.47
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.com
323
$83.47
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.com
$280.00
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog Or Ram Trailer Couplers, Made In The USA, (Blue)
Amazon.com
133
Free shipping
$280.00
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog Or Ram Trailer Couplers, Made In The USA, (Blue)
Amazon.com
$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
$399.00
ICON Gooseneck Lock For 2-5/16" Bulldog BX1 Square Couplers - Cast And Stainless Steel - Black AL62QF
etrailer.com
$399.00
ICON Gooseneck Lock For 2-5/16" Bulldog BX1 Square Couplers - Cast And Stainless Steel - Black AL62QF
etrailer.com
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
17K+
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
$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
$39.99
$42.99
Heavy Duty Trailer Coupler Lock, Trailer Tongue Locks Fit 2-5/16, 2, 1-7/8 Inch Couplers, Structural Steel Anti-Theft RV Tow Lock With 3 Keys & 4 Dust
Amazon.com
4
Free shipping
$39.99
$42.99
Heavy Duty Trailer Coupler Lock, Trailer Tongue Locks Fit 2-5/16, 2, 1-7/8 Inch Couplers, Structural Steel Anti-Theft RV Tow Lock With 3 Keys & 4 Dust
Amazon.com
$92.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant
VEVOR
21
$92.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant
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
$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
$349.99
Altor ICON Trailer Coupler Lock For 2-5/16 in. Rolled Lip Coupler Style By Oems Like Atwood
Tractor Supply Co.
2
$349.99
Altor ICON Trailer Coupler Lock For 2-5/16 in. Rolled Lip Coupler Style By Oems Like Atwood
Tractor Supply Co.
$0.01
Duraline - 20005096 - Coupler, Clear Lock, HDPE 1-1/4"-Dura-Line
Netceed
$0.01
Duraline - 20005096 - Coupler, Clear Lock, HDPE 1-1/4"-Dura-Line
Netceed
$54.99
Brok WARRIOR Universal Heavy Duty Coupler Lock, WARRIOR
Tractor Supply Co.
2
$54.99
Brok WARRIOR Universal Heavy Duty Coupler Lock, WARRIOR
Tractor Supply Co.
$26.99
Brok Universal Anti Tow Coupler Lock | For Trailers | By West Marine
WestMarine
80
$26.99
Brok Universal Anti Tow Coupler Lock | For Trailers | By West Marine
WestMarine
$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
$340.00
Defender Locking Gooseneck Coupler
B&W Trailer Hitches
19
$340.00
Defender Locking Gooseneck Coupler
B&W Trailer Hitches
$29.99
CURT Curt Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) - 23523 - SOUTHWEST WHEEL
Southwest Wheel
272
$29.99
CURT Curt Coupler Lock (1/4" Pin, 3-3/8" Latch Span, Barbell, Chrome) - 23523 - SOUTHWEST WHEEL
Southwest Wheel
$55.80
$66.96
PACLOCK UCS-88A Hidden-Shackle Trailer Coupler Lock
LocksmithKeyless
1
16% off
$55.80
$66.96
PACLOCK UCS-88A Hidden-Shackle Trailer Coupler Lock
LocksmithKeyless
$79.49
(4 Pack) Universal Heavy Duty Trailer Coupler Lock - Red
MyteeProducts
$79.49
(4 Pack) 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
$249.99
PACLOCK High-Security Trailer Coupler Lock, 2-5/16In., Stainless Steel Cone Puck, Model UCS-77S-2516
Northern Tool
$249.99
PACLOCK High-Security Trailer Coupler Lock, 2-5/16In., Stainless Steel Cone Puck, Model UCS-77S-2516
Northern Tool
$17.99
C.E. Smith Coupler Lock
Cabela's
51
$17.99
C.E. Smith Coupler Lock
Cabela's
$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
$48.00
$80.00
Heavy Duty Trailer Hitch Lock,Anti Theft Trailer Tongue Lock Secure With Ball Coupler For Rv,Trailer,Boat,Pickup,Camper (2'')(2'')
us.freetids
40% off
$48.00
$80.00
Heavy Duty Trailer Hitch Lock,Anti Theft Trailer Tongue Lock Secure With Ball Coupler For Rv,Trailer,Boat,Pickup,Camper (2'')(2'')
us.freetids
$31.99
Reese Universal Trailer Coupler Lock Surround Lock Keyed Unique Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Ball Couplers 72783
Hitch Expo
$31.99
Reese Universal Trailer Coupler Lock Surround Lock Keyed Unique Fits 1-7/8 Inch 2 Inch 2-5/16 Inch Ball Couplers 72783
Hitch Expo
$82.95
Progress Mfg. Fastway Universal Trailer Coupler Lock - Nickel, Fits 1-7/8In., 2In., 2-5/16in. Couplers, Pick Resistant, Model 86-00-5015
Northern Tool
Free shipping
$82.95
Progress Mfg. Fastway Universal Trailer Coupler Lock - Nickel, Fits 1-7/8In., 2In., 2-5/16in. Couplers, Pick Resistant, Model 86-00-5015
Northern Tool
$43.41
Draw-Tite Trailer Coupler Lock, Fits 2-5/16 in. Coupler, Gorilla Guard
TowUniverse.com
20
$43.41
Draw-Tite Trailer Coupler Lock, Fits 2-5/16 in. Coupler, Gorilla Guard
TowUniverse.com
Top 5 (actually tested) Coupler Locks
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Top 5 (actually tested) Coupler Locks
92.6K viewsDec 15, 2023
YouTubeetrailer
Top 10 Best Security Trailer Hitch Locks in 2025 Reviews
11:01
Top 10 Best Security Trailer Hitch Locks in 2025 Reviews
16.5K viewsDec 19, 2022
YouTubeTop 10 Best Pro
The Best Trailer Coupler Lock! Proven Industries 2516 Secures The Safety Chains! Made In The USA!
5:05
The Best Trailer Coupler Lock! Proven Industries 2516 Secures The Safety Chains! Made In The USA!
20.3K viewsJul 31, 2024
YouTubeMyks Garage
Proven Industries 2516 vs S175 Locks: Easy to Pick? The Real World Truth
10:46
Proven Industries 2516 vs S175 Locks: Easy to Pick? The Real World Truth
8.9K views9 months ago
YouTubeAdventure Rocks
U-Haul Coupler Security Lock | Setup and Review - COUPLERLOCK
1:58
U-Haul Coupler Security Lock | Setup and Review - COUPLERLOCK
1.6K views7 months ago
YouTubeU-Haul Trailer Hitches And Towing
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6:36
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1 month ago
YouTubeUnbox Now
Trailer THEFT PREVENTION! — PACLOCK Coupler Lock & Advanced Wheel Locks Protect Our RV
8:44
Trailer THEFT PREVENTION! — PACLOCK Coupler Lock & Advanced Wheel Locks Protect Our RV
34K viewsOct 6, 2024
YouTubeRVgeeks
1:30
2025 Upgraded 2 5/16" Trailer Lock Review Heavy Duty Weatherproof Anti-Theft Coupler Lock
44 views6 months ago
YouTubeJD The OT Product Reviews
9:13
7 Best Trailer Hitch Locks for Ultimate Security
523 viewsJan 9, 2025
YouTubeRVer
0:27
🔒 Stop Trailer Theft Instantly! 🚛🔥 REESE Towpower 72783 Coupler Lock Review 🛠️🔑
11.4K viewsFeb 26, 2025
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3:50
Anti-Theft Trailer Lock Set Review 🔒 | Coupler Lock + Pin Lock Installed & Tested
332 views4 months ago
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Best Trailer Hitch Locks in 2026 - Top 6 Hitch & Coupler Locks for RVs, Boats & More
82 views2 months ago
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The Best Way To Lock Your Trailer Hitch
20.5K viewsMar 4, 2024
YouTubeFix It Now
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Model 2516 Trailer Lock Installation | Proven Industries Security Guide
24.5K views10 months ago
YouTubeProven Industries
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Top 5 Best Trailer Lock in 2025
479 viewsJul 13, 2024
YouTubeReview Click
4:35
✅Top 5 Best Trailer Lock in 2025
754 viewsNov 17, 2024
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4:49
I Tested Altor ICON Coupler Locks and Found Out They're a Game Changer for Trailer Security!
2.2K viewsJan 14, 2025
YouTubeMrTruck
9:24
Best Trailer Hitch Locks: Protect Your Cargo Now!
2.4K viewsAug 5, 2024
YouTubeTool Wizard
10:09
Secure Your Trailer: The Best Hitch Locks for Ultimate Protection
202 viewsJan 14, 2025
YouTubeVehicle Ground
4:16
How to Lock Your Trailer with Proven Locks
12.5K viewsOct 18, 2024
YouTubeHappy Trailers
11:29
EXTREME Coupler Lock from BULLETPROOF-HITCHES! For RVs and Trailers
7.8K viewsDec 6, 2024
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Best Security Trailer Hitch Locks in 2024
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METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock Anti Review
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"AMPLOCK: The Ultimate Trailer Lock for Maximum Security
960 viewsJan 15, 2025
YouTubeAmplock trailerlock - The Security Master
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YouTubeComplete Trailers
1:46
U-Haul Stainless Coupler Lock: Review and Demo
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See more

Shop best security trailer coupler lock

Sponsored
About our ads
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Yellow - ULINE
Uline
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
3K+
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$49.95
$59.94
Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
Elite Truck
16% off
$49.95
$59.94
Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
Elite Truck
$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
$23.08
TC3 KEYED ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
10
$23.08
TC3 KEYED ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$19.95
$23.94
Bulletproof Hitches Trailer Latch Lock Model LATCHLOCK
Elite Truck
8
16% off
$19.95
$23.94
Bulletproof Hitches Trailer Latch Lock Model LATCHLOCK
Elite Truck
$68.01
TM5123 KEYED RECEIVER & ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$68.01
TM5123 KEYED RECEIVER & ADJUSTABLE COUPLER LOCK, Keyed Alike - All Locks Open With Same Key
1st-in-Padlocks
$31.27
Trimax Puck Lock For Trailer Door Hasps - 3/8" Shackle - Steel - Chrome TMX88ZR
etrailer.com
664
$31.27
Trimax Puck Lock For Trailer Door Hasps - 3/8" Shackle - Steel - Chrome TMX88ZR
etrailer.com
$34.99
Master Lock Lock And Adjustable Coupler Latch Lock Package | For Trailers | By West Marine
WestMarine
$34.99
Master Lock Lock And Adjustable Coupler Latch Lock Package | For Trailers | By West Marine
WestMarine
$83.47
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.com
323
$83.47
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.com
$280.00
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog Or Ram Trailer Couplers, Made In The USA, (Blue)
Amazon.com
133
Free shipping
$280.00
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog Or Ram Trailer Couplers, Made In The USA, (Blue)
Amazon.com
$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
$399.00
ICON Gooseneck Lock For 2-5/16" Bulldog BX1 Square Couplers - Cast And Stainless Steel - Black AL62QF
etrailer.com
$399.00
ICON Gooseneck Lock For 2-5/16" Bulldog BX1 Square Couplers - Cast And Stainless Steel - Black AL62QF
etrailer.com
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
17K+
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
$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
$39.99
$42.99
Heavy Duty Trailer Coupler Lock, Trailer Tongue Locks Fit 2-5/16, 2, 1-7/8 Inch Couplers, Structural Steel Anti-Theft RV Tow Lock With 3 Keys & 4 Dust
Amazon.com
4
Free shipping
$39.99
$42.99
Heavy Duty Trailer Coupler Lock, Trailer Tongue Locks Fit 2-5/16, 2, 1-7/8 Inch Couplers, Structural Steel Anti-Theft RV Tow Lock With 3 Keys & 4 Dust
Amazon.com
$92.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant
VEVOR
21
$92.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant
VEVOR