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10 Best bulldog trailer hitch locks of 2026
Save up to 15% off
Best Choice1
Clicked 3 times in the last monthFixOasisTrailer Lock for 1-7/8", 2",2-5/16" & Bulldog Couplers, Heavy-Duty Hardened Steel Trailer Tongue Locks with Fully Covered Anti-Theft Design, Powder-Coated for Weather Resistance
9.7Exceptional
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Value for Money2
FixOasisTrailer Lock for 1-7/8", 2",2-5/16" & Bulldog Couplers, Heavy-Duty Hardened Steel Trailer Tongue Locks with Fully Covered Anti-Theft Design, Powder-Coated for Weather Resistance
9.4Excellent
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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
9.2Excellent
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4
FanthornFanthorn Heavy Duty Trailer Hitch Locks, Fits 2-5/16" Bulldog or Ram Couplers, Black Alloy Steel
Key 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
9.1Excellent
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5
AUREOASISNew-Universal Trailer Lock for 1-7/8", 2" ,2-5/16" & Bulldog Couplers,Anti-Theft Steel Trailer Tongue Coupler Lock with Fully Enclosed,for Rv/Trailer/Flatbed,Patent Pending
9.0Excellent
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6
NeaLiaNeaLia Upgraded Heavy Duty Trailer Lock Kit Fits 2-5/16" Bulldog or Ram Couplers, Steel Security Tongue Locks with Keys, Weatherproof Anti-Theft Spherical Ball Hitch Lock Set for Boat Truck RV Camper
13% Off8.9Very Good
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7
NiwNiwNiwNiw 2178-B Heavy Duty Trailer Hitch Lock 2 Inch Bulldog or Ram Ball Coupler Anti-Theft,Travel RV/Camper/Boat/Truck/ATV/UTV/Flatbed/Cargo/Dump/Utility Trailer Tongue Lock Secure Design
8.7Very 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 2178-B Heavy Duty Trailer Hitch Lock – Compatible with 2-Inch Bulldog or Ram Couplers, Anti-Theft Tongue Lock for RV, Boat, Cargo, Utility, and Livestock Trailers (Blue)
15% Off8.4Good
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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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