Top Expert-Recommended Trailer Coupler Locks for Maximum Security
We’ve compiled expert-tested trailer coupler locks that offer superior theft deterrence, durability, and ease of use. These picks include heavy-duty, weather-resistant, and universal-fit options to keep your trailer secure in any condition.
Ride the Ducks of Seattle
Ride the Ducks of Seattle
The Marine Mag
The Marine Mag
Sources4 Sources
Ride the Ducks of Seattle
Ride the Ducks of Seattle
Ride the Ducks of Seattle
The Marine Mag
The Marine Mag
The Marine Mag
boatsafeguide.com
boatsafeguide.com
boatsafeguide.com
outdoorcarry.com
outdoorcarry.com
outdoorcarry.com
Best for universal fit
Master Lock 389DAT Universal Trailer Coupler Lock
Master Lock 389DAT Universal Trailer Coupler Lock
Tractor Supply Co.
$
36
.
99
$
41
.
99
Best for universal fit
Master Lock 389DAT Universal Trailer Coupler Lock
Master Lock 389DAT Universal Trailer Coupler Lock
Tractor Supply Co.
$
36
.
99
$
41
.
99
Master Lock 389DAT offers universal coupler compatibility, rust and corrosion resistance, and a bright red finish for visual deterrence, making it easy to install and remove.
Best adjustable design
Reese Towpower Trailer Coupler Lock
Reese Towpower Trailer Coupler Lock
Zoro
$
15
.
29
Best adjustable design
Reese Towpower Trailer Coupler Lock
Reese Towpower Trailer Coupler Lock
Zoro
$
15
.
29
Reese Towpower 72783 features a bright deterrent color, wide coupler compatibility, and an adjustable ratchet with 11 positions for a secure fit.
Best budget pick
Shoreline Marine Brass Trailer Coupler Lock
Shoreline Marine Brass Trailer Coupler Lock
eBay
$
14
.
80
Best budget pick
Shoreline Marine Brass Trailer Coupler Lock
Shoreline Marine Brass Trailer Coupler Lock
eBay
$
14
.
80
Shoreline Marine lock is a budget-friendly option made from corrosion-resistant steel with a screw-type locking mechanism for a secure fit.
Best heavy-duty guard
Tow Ready Trailer Coupler Lock
Tow Ready Trailer Coupler Lock
ReeseHitches
$
20
.
47
$
27
.
95
Best heavy-duty guard
Tow Ready Trailer Coupler Lock
Tow Ready Trailer Coupler Lock
ReeseHitches
$
20
.
47
$
27
.
95
Tow Ready Gorilla Guard offers robust coupler protection with a heavy-duty build to resist tampering.
Best for maximum security
Proven Industries Model 2516 Trailer Lock for 2 5/16-Inch Couplers
Proven Industries Model 2516 Trailer Lock for 2 5/16-Inch Couplers
Amazon
$
275
Best for maximum security
Proven Industries Model 2516 Trailer Lock for 2 5/16-Inch Couplers
Proven Industries Model 2516 Trailer Lock for 2 5/16-Inch Couplers
Amazon
$
275
Proven Industries 2516 offers top-tier security with thick steel construction and minimal pry points.
Best versatile fit
Master Lock 379ATPY Universal Trailer Hitch Lock
Master Lock 379ATPY Universal Trailer Hitch Lock
Amazon
$
146
.
16
Best versatile fit
Master Lock 379ATPY Universal Trailer Hitch Lock
Master Lock 379ATPY Universal Trailer Hitch Lock
Amazon
$
146
.
16
Master Lock 379ATPY fits multiple coupler sizes with an advanced locking mechanism to resist picking and prying.
Best for latch-type couplers
RETRUE Trailer Tongue Coupler Lock for Latch-Type Coupler
RETRUE Trailer Tongue Coupler Lock for Latch-Type Coupler
eBay
$
29
.
02
Best for latch-type couplers
RETRUE Trailer Tongue Coupler Lock for Latch-Type Coupler
RETRUE Trailer Tongue Coupler Lock for Latch-Type Coupler
eBay
$
29
.
02
RETRUE lock fits latch-type couplers up to 3/4" span, made from high-strength steel with corrosion resistance.
Best heavy-duty kit
Rhino USA Trailer Hitch Lock Kit
Rhino USA Trailer Hitch Lock Kit
Lethal Performance Shop
$
54
.
90
Best heavy-duty kit
Rhino USA Trailer Hitch Lock Kit
Rhino USA Trailer Hitch Lock Kit
Lethal Performance Shop
$
54
.
90
Rhino USA kit offers rust and weather resistance with powder-coated steel for 2-5/16" couplers.
Best universal fit
Reese Towpower Trailer Coupler Lock
Reese Towpower Trailer Coupler Lock
Zoro
$
15
.
29
Best universal fit
Reese Towpower Trailer Coupler Lock
Reese Towpower Trailer Coupler Lock
Zoro
$
15
.
29
Reese Towpower 7088300 offers universal fit for common coupler sizes with heavy-duty construction.
Best lightweight strength
Blaylock TL-33 Universal Receiver Coupler Lock
Blaylock TL-33 Universal Receiver Coupler Lock
Home Depot
$
42
.
58
Best lightweight strength
Blaylock TL-33 Universal Receiver Coupler Lock
Blaylock TL-33 Universal Receiver Coupler Lock
Home Depot
$
42
.
58
Blaylock TL-33 is made from aircraft aluminum with a solid hardened steel lock rod for strong coupler security.
Sponsored
  1. SALE
    New tab icon
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    Heavy Duty Trailer Hitch Locks Fits 2" And 2-5/16" Couplers, Upgraded Anti Theft Trailer Tongue Lock Secure With Coupler And Safety Chain, Trailer
    $55.99
    $79.99
    Amazon.com
    4.5·
    4.5
    ·
    63
    delivery truck
    Free shipping
  2. New tab icon
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    Extreme Duty Coupler Lock Coupler Lock
    $89.95
    Bulletproof Hitches
    4.5·
    4.5
    ·
    37

  3. New tab icon
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    Infiniterule Security Trailer Latch Lock For Demco Ez Latch 2 in & 25/16 in Ball & Gooseneck Couplers 61130-S
    $101.34
    PartsWarehouse.…
  4. New tab icon
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    Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
    $56.99
    Amazon.com
    4.5·
    4.5
    ·
    141
    delivery truck
    Free shipping
  5. New tab icon
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    PACLOCK UCS-77S-BUL-2516 High Security Trailer-Coupler Lock For 2-5/16" Bulldog Couplers - Keyed Alike
    $275.95
    H To O Supply
  6. New tab icon
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    Proven Industries Trailer Lock, Model 2517-D1, Fits 2 5/16 in Demco Cast Trailer Couplers, 2 Keys Included, Heavy-Duty Security, Hardened Steel,
    $295.00
    Amazon.com
    5·
    5.0
    ·
    29
    delivery truck
    Free shipping
  7. New tab icon
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    Vehiclex 2-5/16-Inch Trailer Coupler Lock - Heavy-Duty Carbon Steel With Weatherproof Shield And Dual-Layer Coating For Maximum Security (Red)
    $149.99
    Amazon.com
    5·
    5.0
    ·
    17
    delivery truck
    Free shipping
  8. New tab icon
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    Amplock U-BRA2516 2 5/16" Trailer Coupler Lock With Heavy Duty Round Edge Design, Push-To-Lock System, Rust And Corrosion Resistant, Fits Ball
    $347.00
    Amazon.com
    4.5·
    4.5
    ·
    57
    delivery truck
    Free shipping
  9. New tab icon
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    Metal Trailer Lock - Keyed Alike, Blue - ULINE
    $30.00
    $30.00 / 1 ct
    Uline
  10. New tab icon
    Product Image
    Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
    $17.40
    Amazon.com
    4.5·
    4.5
    ·
    1K+
  11. SALE
    New tab icon
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    Bulletproof Hitches Medium Duty Trailer Coupler Lock Model MDCOUPLERLOCK
    $49.95
    $59.94
    Elite Truck
    5·
    5.0
    ·
    1
  12. SALE
    New tab icon
    Product Image
    Bulletproof Hitches Extreme Duty Pintle Coupler Lock Model PINTLELOCK
    $89.95
    $107.94
    Elite Truck
    4.5·
    4.5
    ·
    7
  13. New tab icon
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    PACLOCK UCS-77S-DEM-2516 High Security Trailer-Coupler Lock For 2-5/16" Demco Couplers - Keyed Alike
    $322.95
    H To O Supply
  14. New tab icon
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    Aupar Patent-Designed Gooseneck Trailer Lock - Fit Most 7-Inch Bottom Plate Couplers, Heavy Duty Lock For Square & Round Trailer Tube - Red
    $119.99
    Amazon.com
    4.5·
    4.5
    ·
    19
    delivery truck
    Free shipping
  15. New tab icon
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    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
    $88.98
    Amazon.com
    5·
    5.0
    ·
    2
    delivery truck
    Free shipping
  16. New tab icon
    RETRUE Heavy Duty Trailer Lock For 2" Ball Coupler With Flange, Anti-Theft And Top Tier Security, Black
    $94.99
    Amazon.com
    4.5·
    4.5
    ·
    35
    delivery truck
    Free shipping
  17. New tab icon
    Ft. Knox Locks Gooseneck Trailer Coupler Lock For Round Tube Couplers With 2 Trimax Puck Locks - Bolt Cutter & Crowbar Proof
    $369.00
    Amazon.com
    4.5·
    4.5
    ·
    130
    delivery truck
    Free shipping
  18. New tab icon
    BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
    $74.09
    etrailer.com
    4.5·
    4.5
    ·
    317
  19. 8% Off*
    New tab icon
    VEVOR Trailer Lock Heavy Duty Hitch Lock Fits 2 & 2-5/16-Inch Ball Couplers With 3 Keys Anti-Theft Security Chains For Rv Trailer Boat
    $92.90
    VEVOR
  20. New tab icon
    Metal Trailer Lock - Keyed Alike, Yellow - ULINE
    $30.00
    $30.00 / 1 ct
    Uline
High Security Trailer Coupler Lock
2-5/16" Trailer Coupler Lock - High Security Anti-Theft Lock With 3
2-5/16" Trailer Coupler Lock - High Security Anti-Theft Lock With 3
eBay
$
97
2-5/16" Trailer Coupler Lock - High Security Anti-Theft Lock With 3
2-5/16" Trailer Coupler Lock - High Security Anti-Theft Lock With 3
eBay
$
97
Trailer Defender Adjustable High Security Coupler Lock
Trailer Defender Adjustable High Security Coupler Lock
TrailersPlus
$
271
Trailer Defender Adjustable High Security Coupler Lock
Trailer Defender Adjustable High Security Coupler Lock
TrailersPlus
$
271
Universal Trailer Coupler Lock Heavy Duty Adjustable Anti Theft
Universal Trailer Coupler Lock Heavy Duty Adjustable Anti Theft
eBay
$
24
.
16
Universal Trailer Coupler Lock Heavy Duty Adjustable Anti Theft
Universal Trailer Coupler Lock Heavy Duty Adjustable Anti Theft
eBay
$
24
.
16
Trailer Defender 2-5/16" High Security Coupler Lock
Trailer Defender 2-5/16" High Security Coupler Lock
TrailersPlus
$
271
Trailer Defender 2-5/16" High Security Coupler Lock
Trailer Defender 2-5/16" High Security Coupler Lock
TrailersPlus
$
271
Secure Your Trailer-Heavy-Duty Coupler Lock With 2 Keys
Secure Your Trailer-Heavy-Duty Coupler Lock With 2 Keys
made-in-china
$
2,500
Secure Your Trailer-Heavy-Duty Coupler Lock With 2 Keys
Secure Your Trailer-Heavy-Duty Coupler Lock With 2 Keys
made-in-china
$
2,500
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock For Towing Trailer Security Fits 1-7/8",2", 2-5/16" Coupler Yellow
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock For Towing Trailer Security Fits 1-7/8",2", 2-5/16" Coupler Yellow
The Retail Market
$
30
.
49
$
43
.
99
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock For Towing Trailer Security Fits 1-7/8",2", 2-5/16" Coupler Yellow
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock For Towing Trailer Security Fits 1-7/8",2", 2-5/16" Coupler Yellow
The Retail Market
$
30
.
49
$
43
.
99
Universal High Security Hitch Lock Caravan Trailer Coupling Tow Ball Lock ,Universal Fit
Universal High Security Hitch Lock Caravan Trailer Coupling Tow Ball Lock ,Universal Fit
Walmart
$
44
.
61
Universal High Security Hitch Lock Caravan Trailer Coupling Tow Ball Lock ,Universal Fit
Universal High Security Hitch Lock Caravan Trailer Coupling Tow Ball Lock ,Universal Fit
Walmart
$
44
.
61
UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK, Keyed Alike - All Locks Open With Same Key / Stainless Steel / 1-7/8" & 2" Couplers
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
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
Universal Heavy-Duty Trailer Coupler Lock
Universal Heavy-Duty Trailer Coupler Lock
Lippert Automotive Orderhub
$
57
.
95
Universal Heavy-Duty Trailer Coupler Lock
Universal Heavy-Duty Trailer Coupler Lock
Lippert Automotive Orderhub
$
57
.
95
ICON Trailer Coupler Lock For Cast 2" Ball Coupler - Cast And Stainless Steel - Black AL58DQ
ICON Trailer Coupler Lock For Cast 2" Ball Coupler - Cast And Stainless Steel - Black AL58DQ
etrailer.com
$
349
ICON Trailer Coupler Lock For Cast 2" Ball Coupler - Cast And Stainless Steel - Black AL58DQ
ICON Trailer Coupler Lock For Cast 2" Ball Coupler - Cast And Stainless Steel - Black AL58DQ
etrailer.com
$
349
Heavy-Duty Hook Anti-Theft Trailer Lock, Universal Caravan Trailer Ball Coupler Lock, Durable Towing
Heavy-Duty Hook Anti-Theft Trailer Lock, Universal Caravan Trailer Ball Coupler Lock, Durable Towing
AliExpress
$
29
.
16
$
57
.
77
Heavy-Duty Hook Anti-Theft Trailer Lock, Universal Caravan Trailer Ball Coupler Lock, Durable Towing
Heavy-Duty Hook Anti-Theft Trailer Lock, Universal Caravan Trailer Ball Coupler Lock, Durable Towing
AliExpress
$
29
.
16
$
57
.
77
Heavy-Duty Trailer Coupler Lock 2-5/16" - Waterproof, Anti-Theft,
Heavy-Duty Trailer Coupler Lock 2-5/16" - Waterproof, Anti-Theft,
eBay
$
133
.
99
Heavy-Duty Trailer Coupler Lock 2-5/16" - Waterproof, Anti-Theft,
Heavy-Duty Trailer Coupler Lock 2-5/16" - Waterproof, Anti-Theft,
eBay
$
133
.
99
Rhino USA Trailer Hitch Coupler Lock Kit (For 2" Trailer) Heavy Duty Anti-Theft Tongue Locks
Rhino USA Trailer Hitch Coupler Lock Kit (For 2" Trailer) Heavy Duty Anti-Theft Tongue Locks
Walmart
$
54
.
90
Rhino USA Trailer Hitch Coupler Lock Kit (For 2" Trailer) Heavy Duty Anti-Theft Tongue Locks
Rhino USA Trailer Hitch Coupler Lock Kit (For 2" Trailer) Heavy Duty Anti-Theft Tongue Locks
Walmart
$
54
.
90
CURT 23091 - Universal Heavy-Duty Trailer Coupler Lock
CURT 23091 - Universal Heavy-Duty Trailer Coupler Lock
Complete Street Retail
$
49
.
99
$
57
.
95
CURT 23091 - Universal Heavy-Duty Trailer Coupler Lock
CURT 23091 - Universal Heavy-Duty Trailer Coupler Lock
Complete Street Retail
$
49
.
99
$
57
.
95
CURT Universal Heavy-Duty Trailer Coupler Lock Model 23091
CURT Universal Heavy-Duty Trailer Coupler Lock Model 23091
Elite Truck
$
57
.
95
$
69
.
54
CURT Universal Heavy-Duty Trailer Coupler Lock Model 23091
CURT Universal Heavy-Duty Trailer Coupler Lock Model 23091
Elite Truck
$
57
.
95
$
69
.
54
Boat Trailer SecuritySpecialized coupler locks designed to secure boat trailers against theft, often with corrosion-resistant materials for marine environments.
Heavy Duty ProtectionExtra-strong coupler locks built from hardened steel to resist cutting, prying, and drilling.
Weather Resistant LocksLocks designed to endure harsh weather conditions, preventing rust and corrosion over time.
RV and Travel Trailer SecurityCoupler locks tailored for RVs and travel trailers, offering robust protection during trips and storage.
Lightweight and PortableCompact and easy-to-carry locks that still provide solid security for trailers.
Adjustable FitLocks with adjustable sizing to fit a variety of coupler types and sizes.
Keyless Entry OptionsModern coupler locks with combination or electronic keyless entry systems.
Utility Trailer SecurityLocks designed for securing utility trailers used for work, hauling, or personal projects.
Budget-Friendly OptionsCost-effective coupler locks that still offer reliable protection.
All products
Heavy Duty Towing Lock-Trailer Coupling Lock For Maximum Security
Heavy Duty Towing Lock-Trailer Coupling Lock For Maximum Security
made-in-china
$
2,500
Heavy Duty Towing Lock-Trailer Coupling Lock For Maximum Security
Heavy Duty Towing Lock-Trailer Coupling Lock For Maximum Security
made-in-china
$
2,500
Trailer Hitch Coupler Lock 2 5/16" High Security Fits Demco And Others
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
Trailer Hitch Coupler Lock 2 5/16" High Security Fits Demco And Others
Everymarket INC
$
236
.
52
Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
     
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Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
ibspot
$
141
.
11
Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
     
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Master Lock - 2 Trailer Coupler/Tongue Locks Keyed Alike 2KA-379-37
ibspot
$
141
.
11
Tow Ball Security Anti-Theft Trailer Coupler Hitch Lock U-Shape Universal Heavy-Duty Adjustable
Tow Ball Security Anti-Theft Trailer Coupler Hitch Lock U-Shape Universal Heavy-Duty Adjustable
AliExpress
$
17
.
92
$
33
.
58
Tow Ball Security Anti-Theft Trailer Coupler Hitch Lock U-Shape Universal Heavy-Duty Adjustable
Tow Ball Security Anti-Theft Trailer Coupler Hitch Lock U-Shape Universal Heavy-Duty Adjustable
AliExpress
$
17
.
92
$
33
.
58
Retrue Heavy Duty Trailer Lock For 2" Ball Coupler With Flange, Anti-Theft And Top Tier Security, Gray
Retrue Heavy Duty Trailer Lock For 2" Ball Coupler With Flange, Anti-Theft And Top Tier Security, Gray
Walmart
$
99
.
99
Retrue Heavy Duty Trailer Lock For 2" Ball Coupler With Flange, Anti-Theft And Top Tier Security, Gray
Retrue Heavy Duty Trailer Lock For 2" Ball Coupler With Flange, Anti-Theft And Top Tier Security, Gray
Walmart
$
99
.
99
Master Lock 377Ka-0313 Trailer Coupler Lock
Master Lock 377Ka-0313 Trailer Coupler Lock
eBay
$
52
.
08
Master Lock 377Ka-0313 Trailer Coupler Lock
Master Lock 377Ka-0313 Trailer Coupler Lock
eBay
$
52
.
08
Reese Towpower Trailer Coupler Lock With Universal Fit And Heavy Duty Design
Reese Towpower Trailer Coupler Lock With Universal Fit And Heavy Duty Design
Lowe's
$
10
Reese Towpower Trailer Coupler Lock With Universal Fit And Heavy Duty Design
Reese Towpower Trailer Coupler Lock With Universal Fit And Heavy Duty Design
Lowe's
$
10
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP000.2000
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP000.2000
Grainger
$
545
.
11
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP000.2000
Altor Locks Trailer Coupler Lock: Black, Stainless Steel, Powder Coated, Coupler Lock Model: MVP000.2000
Grainger
$
545
.
11
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
     
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Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
eBay
$
29
.
99
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
     
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Master Lock 377Dat Trailer Coupler Lock - Fits 1-7/8", 2", 2-5/16" -
eBay
$
29
.
99
Trailer Coupling Lock With Keys Reliable Theft Prevention Sturdy Rust-Resistance Compatible For
Trailer Coupling Lock With Keys Reliable Theft Prevention Sturdy Rust-Resistance Compatible For
AliExpress
$
0
.
70
$
1
.
20
Trailer Coupling Lock With Keys Reliable Theft Prevention Sturdy Rust-Resistance Compatible For
Trailer Coupling Lock With Keys Reliable Theft Prevention Sturdy Rust-Resistance Compatible For
AliExpress
$
0
.
70
$
1
.
20
CURT Manufacturing 23091 Universal Heavy Duty Trailer Coupler Lock
CURT Manufacturing 23091 Universal Heavy Duty Trailer Coupler Lock
FinditParts
$
63
.
49
CURT Manufacturing 23091 Universal Heavy Duty Trailer Coupler Lock
CURT Manufacturing 23091 Universal Heavy Duty Trailer Coupler Lock
FinditParts
$
63
.
49
Quick-Mount Coupler Lock - Secure Anti-Theft For Utility Trailers
Quick-Mount Coupler Lock - Secure Anti-Theft For Utility Trailers
made-in-china
$
2,500
Quick-Mount Coupler Lock - Secure Anti-Theft For Utility Trailers
Quick-Mount Coupler Lock - Secure Anti-Theft For Utility Trailers
made-in-china
$
2,500
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$
13
.
99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$
13
.
99
Master Lock 387 Trailer Coupler Lock 1St-In-Padlocks, Keyed Different - Unique Key Per Lock
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
Master Lock 387 Trailer Coupler Lock 1St-In-Padlocks, Keyed Different - Unique Key Per Lock
1st-in-Padlocks
$
170
.
74
Sponsored
  1. New tab icon
    Product Image
    Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
    $39.32
    Amazon.com
    4.5·
    4.5
    ·
    1K+
    delivery truck
    Free shipping
  2. New tab icon
    Product Image
    Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
    $187.80
    Global Industrial
    4.5·
    4.5
    ·
    10K+
  3. SALE
    New tab icon
    Product Image
    Trailer Hitch Lock For 2-5/16" And 2" Coupler (Upgrade 2025), Heavy Duty Anti-Theft Trailer Lock, Ultra-Thick Solid Steel, Pry-Resistant Brass Locking
    $46.99
    $56.99
    Amazon.com
    5·
    5.0
    ·
    2
    delivery truck
    Free shipping
  4. New tab icon
    Product Image
    Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
    $63.19
    Amazon.com
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    VEVOR
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    Global Industrial
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    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)
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    Amazon.com
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    FORGEDX Stainless Steel Trailer Lock For 2" To 2-5/16" Couplers For Trailers, Rvs, And Boats. (Made In THE USA)
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    Amazon.com
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    TOPICK Universal Trailer Hitch Lock Set, Includes Heavy-Duty Coupler Ball Lock & Coupler Latch Lock, Keyed Alike, Anti-Theft, All-Weather Protection
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    Amazon.com
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    Fastway Maximum Security Universal Trailer Coupler Lock
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    RVupgradestore
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    Proven Industries Model 2178-A Trailer Lock, Fits 2-Inch Yoke-Latch Trailer Couplers, Secures Safety Chains, Made In The USA, (Blue)
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    Amazon.com
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    Sleeve-Lock A-Frame Trailer Coupler - Flip Latch - Black - 2" Ball - 7,000 Lbs CA-5196-B
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    etrailer.com
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    LocksmithKeyless
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    2-5/16" Trailer Coupler Lock High Security Anti-Theft Lock With 3 Keys. Hitches.
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    H To O Supply