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10 Best bulldog trailer hitch locks of 2025
Save up to 31% off
Best Choice1
Proven IndustriesProven Industries Model 2178-B Trailer Lock, Fits 2-Inch Bulldog or Ram Trailer Couplers, Made in The USA, (Black)
9.9Exceptional
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Value for Money2
FanthornFanthorn Heavy Duty Trailer Hitch Locks, Fits 2-5/16" Bulldog or Ram Couplers, Black Alloy Steel
31% OffKey specs-
material:Alloy steel
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lock type:Puck lock
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special features:Weather-resistant
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compatibility:2-5/16 Bulldog or Ram Couplers
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dimensions:11.73 x 7.8 x 7.64 inches
9.8Exceptional
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3
VEVORVEVOR Trailer Lock, Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers, Heavy Duty Hitch Lock with 3 Keys Secures Security Chains, Corrision-Resistant, Anti-Theft RV Trailer Locks for RV, Trailer, Boat
9.6Exceptional
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4
METOWAREMETOWARE Trailer Tongue Coupler Lock 1/4" Dia, 3-1/2" Span, Trailer Hitch Lock for Latch-Type Coupler, Black Trailer Pin Lock for Towing Trailer RV Car Boat Truck (1 Pack)
9.5Excellent
Our Rating
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5
HQPASFYHQPASFY TL-20 Hitch Lock Fits for Bulldog Style Couplers, Hitch Coupler Lock with Keyed Padlock, Heavy-Duty Trailer Hitch Lock with Pin for Bulldog Style Couplers - Black
9.3Excellent
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6
Collar MarketingThe Collar Trailer Hitch Lock for Bulldog-Style Couplers (Including The RAM)
9.0Excellent
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7
AntivanlAntivanl Trailer Hitch Lock for Bulldog Style Couplers, Trailer Coupler Lock Fits 2” and 2-5/16” Couplers, Heavy Duty Stainless Steel Towing Hitch Locks
8.7Very Good
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8
Master LockMaster Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock for Securing RV’s, Horse Trailers, Tool Trailers and More, 379ATPY
Key specs-
material:Zinc
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lock type:Key Lock
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special features:Portable
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compatibility:Vehicles, trailers, RVs
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dimensions:5.1 x 3.5 x 4.6 inches
8.6Very Good
Our Rating
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9
NUOVEPENUOVEPE 2516-B Heavy Duty Trailer Hitch Lock – Compatible with 2-5/16" Bulldog or Ram Couplers, Anti-Theft Tongue Lock for RV, Boat, Cargo, Utility, and Livestock Trailers (Black)
8.4Good
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10
NiwNiwNiwNiw 2516-B Heavy Duty Trailer Hitch Lock 2-5/16 Inch Bulldog or Ram Ball Coupler Anti-Theft,Travel RV/Camper/Boat/Truck/ATV/UTV/Flatbed/Cargo/Dump/Utility Trailer Tongue Lock Secure Design
8.3Good
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