Shop best trailer coupler lock tested

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$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
$280.00
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog Or Ram Trailer Couplers, Made In The USA, (Blue)
Amazon.com
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
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
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
Free shipping
$75.38
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.com
$75.38
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.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
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
Free shipping
$56.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
Free shipping
$56.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
Free shipping
$129.99
FORGEDX Stainless Steel Trailer Lock For 2" To 2-5/16" Couplers For Trailers, Rvs, And Boats. (Made In THE USA)
Amazon.com
Free shipping
$129.99
FORGEDX Stainless Steel Trailer Lock For 2" To 2-5/16" Couplers For Trailers, Rvs, And Boats. (Made In THE USA)
Amazon.com
Free shipping
$39.32
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
Free shipping
$39.32
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
Free shipping
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$63.37
Trimax Trailer Coupler Lock For 2-1/2" And 3" Lunette Rings TMX52FR
etrailer.com
$63.37
Trimax Trailer Coupler Lock For 2-1/2" And 3" Lunette Rings TMX52FR
etrailer.com
$54.90
Rhino USA Trailer Coupler Lock Kits (2-5/16") | UTV Source
UTV Source
$54.90
Rhino USA Trailer Coupler Lock Kits (2-5/16") | UTV Source
UTV Source
$31.49
BOLT Trailer Coupler Lock - 1/2" To 3-1/8" Span - Codes To Toyota Key BL7025289
etrailer.com
$31.49
BOLT Trailer Coupler Lock - 1/2" To 3-1/8" Span - Codes To Toyota Key BL7025289
etrailer.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
$25.99
CURT Posi-Lock Trailer Coupler Replacement Latch For 25101 Or 25210 25294
Hitch Expo
$25.99
CURT Posi-Lock Trailer Coupler Replacement Latch For 25101 Or 25210 25294
Hitch Expo
$275.00
Proven Industries Trailer Lock, Model 2516-B2, Fits Select Cast-Steel 2 5/16 in Adjustable Couplers, 2 Keys Included, Made In USA, Black
Amazon.com
Free shipping
$275.00
Proven Industries Trailer Lock, Model 2516-B2, Fits Select Cast-Steel 2 5/16 in Adjustable Couplers, 2 Keys Included, Made In USA, Black
Amazon.com
Free shipping
$31.99
CURT Chrome Trailer Tongue Coupler Lock Latch Lock Keyed Unique Up To 2-1/2 Inch Span 23522
Hitch Expo
$31.99
CURT Chrome Trailer Tongue Coupler Lock Latch Lock Keyed Unique Up To 2-1/2 Inch Span 23522
Hitch Expo
$83.90
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
$83.90
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
$109.98
Niwniw 2-5/16" Heavy Duty Trailer Hitch Lock - Ball Coupler&Safety Chains Anti-Theft,Travel RV/Pop-Up Camper/Boat/Truck/Motorcycle/ATV/UTV/Flatbed/
Amazon.com
Free shipping
$109.98
Niwniw 2-5/16" Heavy Duty Trailer Hitch Lock - Ball Coupler&Safety Chains Anti-Theft,Travel RV/Pop-Up Camper/Boat/Truck/Motorcycle/ATV/UTV/Flatbed/
Amazon.com
Free shipping
$55.99
CURT Hitch And Coupler Lock Set Fits 2 Inch And 2-1/2 Inch Receivers 1-7/8 Inch To 2-5/16 Inch Couplers 23092
Hitch Expo
$55.99
CURT Hitch And Coupler Lock Set Fits 2 Inch And 2-1/2 Inch Receivers 1-7/8 Inch To 2-5/16 Inch Couplers 23092
Hitch Expo
$50.19
Trimax 1-1/4" And 2" Hitch Lock And Adjustable Coupler Latch Lock Set - Keyed Alike TMX73SR
etrailer.com
$50.19
Trimax 1-1/4" And 2" Hitch Lock And Adjustable Coupler Latch Lock Set - Keyed Alike TMX73SR
etrailer.com
$53.88
Antivanl Trailer Hitch Lock For Bulldog Style Couplers, Trailer Coupler Lock Fits 2" And 2-5/16" Couplers, Heavy Duty Stainless Steel Towing Hitch
Amazon.com
Free shipping
$53.88
Antivanl Trailer Hitch Lock For Bulldog Style Couplers, Trailer Coupler Lock Fits 2" And 2-5/16" Couplers, Heavy Duty Stainless Steel Towing Hitch
Amazon.com
Free shipping
$15.99
$19.98
Funmit Trailer Lock Universal Coupler Ball Lock Fits 1-7/8", 2", And 2-5/16" Couplers, Boat Camper Accessories For Travel Trailers Adjustable
Amazon.com
19% off
$15.99
$19.98
Funmit Trailer Lock Universal Coupler Ball Lock Fits 1-7/8", 2", And 2-5/16" Couplers, Boat Camper Accessories For Travel Trailers Adjustable
Amazon.com
$32.99
TOPICK Universal Trailer Hitch Lock Set, Includes Heavy-Duty Coupler Ball Lock & Coupler Latch Lock, Keyed Alike, Anti-Theft, All-Weather Protection
Amazon.com
$32.99
TOPICK Universal Trailer Hitch Lock Set, Includes Heavy-Duty Coupler Ball Lock & Coupler Latch Lock, Keyed Alike, Anti-Theft, All-Weather Protection
Amazon.com
$84.90
VEVOR Trailer Lock Fits 2-5/16-Inch Cast Ball Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant Anti-Theft Rv
VEVOR
$84.90
VEVOR Trailer Lock Fits 2-5/16-Inch Cast Ball Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant Anti-Theft Rv
VEVOR
$9.99
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock For Towing Trailer
Amazon.com
$9.99
METOWARE Trailer Coupler Lock Universal Adjustable Heavy-Duty Steel Trailer Hitch Lock, Anti Theft Trailer Ball Lock Towing Lock For Towing Trailer
Amazon.com
$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
Free shipping
$301.49
$379.98
Demco Gooseneck Coupler & Stem Set Bolt Lock Package
Shocker Hitch
20% off
$301.49
$379.98
Demco Gooseneck Coupler & Stem Set Bolt Lock Package
Shocker Hitch
$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
$54.99
EZ Lock Universal Coupler
Coolhorse
$54.99
EZ Lock Universal Coupler
Coolhorse
$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
$91.99
TRIMAX Coupler And Receiver Lock - 7/8" SXTM31
Cycle City Inc.
$91.99
TRIMAX Coupler And Receiver Lock - 7/8" SXTM31
Cycle City Inc.
$43.10
Demco EZ Latch 30K Goosneck Coupler Lock - 17654-81 - SOUTHWEST WHEEL
Southwest Wheel
$43.10
Demco EZ Latch 30K Goosneck Coupler Lock - 17654-81 - SOUTHWEST WHEEL
Southwest Wheel
$52.40
Blaylock Trailer Coupler Lock - 3in. X 7in. X 8In., Fits 1-7/8in. To 2-5/16in. Couplers, Model TL-20
Northern Tool
Free shipping
$52.40
Blaylock Trailer Coupler Lock - 3in. X 7in. X 8In., Fits 1-7/8in. To 2-5/16in. Couplers, Model TL-20
Northern Tool
Free shipping
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$384.95
The Icon Trailer Coupler Lock 2-5/16" Ball Extreme Duty Patented Anti-Theft Design
RecPro
Free shipping
$384.95
The Icon Trailer Coupler Lock 2-5/16" Ball Extreme Duty Patented Anti-Theft Design
RecPro
Free shipping
$49.99
TRIMAX Coupler Lock - Red - 2 Key UMAX25D
Cycle City Inc.
$49.99
TRIMAX Coupler Lock - Red - 2 Key UMAX25D
Cycle City Inc.
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Shop best trailer coupler lock tested

Sponsored
About our ads
$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
$280.00
Proven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog Or Ram Trailer Couplers, Made In The USA, (Blue)
Amazon.com
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
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
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
Free shipping
$75.38
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.com
$75.38
BOLT Trailer Coupler Lock - 1-7/8", 2", And 2-5/16" Couplers - For Ford Side Cut Key BL7032496
etrailer.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
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
Free shipping
$56.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
Free shipping
$56.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
Free shipping
$129.99
FORGEDX Stainless Steel Trailer Lock For 2" To 2-5/16" Couplers For Trailers, Rvs, And Boats. (Made In THE USA)
Amazon.com
Free shipping
$129.99
FORGEDX Stainless Steel Trailer Lock For 2" To 2-5/16" Couplers For Trailers, Rvs, And Boats. (Made In THE USA)
Amazon.com
Free shipping
$39.32
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
Free shipping
$39.32
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
Free shipping
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$63.37
Trimax Trailer Coupler Lock For 2-1/2" And 3" Lunette Rings TMX52FR
etrailer.com
$63.37
Trimax Trailer Coupler Lock For 2-1/2" And 3" Lunette Rings TMX52FR
etrailer.com
$54.90
Rhino USA Trailer Coupler Lock Kits (2-5/16") | UTV Source
UTV Source
$54.90
Rhino USA Trailer Coupler Lock Kits (2-5/16") | UTV Source
UTV Source
$31.49
BOLT Trailer Coupler Lock - 1/2" To 3-1/8" Span - Codes To Toyota Key BL7025289
etrailer.com
$31.49
BOLT Trailer Coupler Lock - 1/2" To 3-1/8" Span - Codes To Toyota Key BL7025289
etrailer.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
$25.99
CURT Posi-Lock Trailer Coupler Replacement Latch For 25101 Or 25210 25294
Hitch Expo
$25.99
CURT Posi-Lock Trailer Coupler Replacement Latch For 25101 Or 25210 25294
Hitch Expo
$275.00
Proven Industries Trailer Lock, Model 2516-B2, Fits Select Cast-Steel 2 5/16 in Adjustable Couplers, 2 Keys Included, Made In USA, Black
Amazon.com
Free shipping
$275.00
Proven Industries Trailer Lock, Model 2516-B2, Fits Select Cast-Steel 2 5/16 in Adjustable Couplers, 2 Keys Included, Made In USA, Black
Amazon.com
Free shipping
$31.99
CURT Chrome Trailer Tongue Coupler Lock Latch Lock Keyed Unique Up To 2-1/2 Inch Span 23522
Hitch Expo
$31.99
CURT Chrome Trailer Tongue Coupler Lock Latch Lock Keyed Unique Up To 2-1/2 Inch Span 23522
Hitch Expo
$83.90
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
$83.90
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
$109.98
Niwniw 2-5/16" Heavy Duty Trailer Hitch Lock - Ball Coupler&Safety Chains Anti-Theft,Travel RV/Pop-Up Camper/Boat/Truck/Motorcycle/ATV/UTV/Flatbed/
Amazon.com
Free shipping
$109.98
Niwniw 2-5/16" Heavy Duty Trailer Hitch Lock - Ball Coupler&Safety Chains Anti-Theft,Travel RV/Pop-Up Camper/Boat/Truck/Motorcycle/ATV/UTV/Flatbed/
Amazon.com
Free shipping

  • 10 Best Trailer Coupler Locks - Our #1 Pick Will Surprise You

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