Best Towing Hitch Locks Under $50 (2026)
We selected products under $50 by assessing locking mechanism type, materials/coatings, fit for common hitch classes, weather resistance, and overall value score
The Verdict
- Best Overall: BOYISEN 5th Wheel King Pin Lock with Handle — Best for fifth-wheel security: robust kingpin design with handle for easier install and strong physical deterrence
- Best Value: BOYISEN kingpin lock with handle for 5th wheel — Best for RV owners needing a sturdy kingpin lock that combines handle leverage with a simple install process
Top Picks
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1
Best Overall BOYISEN 5th Wheel King Pin Lock with Handle
Best for fifth-wheel security: robust kingpin design with handle for easier install and strong physical deterrence
Solid steel king-pin lock with an outward-facing handle for easy locking/unlocking on 5th wheel hitches. Customers note quick setup, solid build, and secure design that fits king pins well
- outward-turning handle for convenience
- unique keyed security
- sturdy solid steel build
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2
Best Value BOYISEN kingpin lock with handle for 5th wheel
Best for RV owners needing a sturdy kingpin lock that combines handle leverage with a simple install process
Solid steel kingpin lock for 5th wheel hitches and RVs, designed for easier handling with an outward-facing handle. Customers note quick setup, sturdy build, and secure design against theft
- outward-facing handle for easier use
- solid steel anti-theft design
- unique key system to prevent key overlap
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3
Rhino USA Trailer Hitch Pin, 2.5 Inch Locking Receiver Pin
Best for class-V receivers needing a stout locking pin that resists tampering and handles heavy towing loads
Solid steel anti-theft hitch pin for 2.5" x 2.5" Class V hitches. Weatherproof and tamper-resistant for secure trailer towing. Customers note solid build and reliable lock, with some finding it slightly short for certain setups
- anti-theft locking mechanism
- weatherproof debris protection
- fits 2.5 inch hitches
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4
BOYISEN 5th Wheel King Pin Lock with Handle
Best for trailer security where a durable kingpin lock with ergonomic handle simplifies frequent hookup and removal
Solid steel king pin lock for RVs, trailers and campers with an outward-turn handle for easier locking. Customers note quick setup and secure construction that fits 5th wheel hitches
- outward-turn handle design
- unique keyed system
- fits 5th wheel hitches
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5
Keyed Alike 5/8" Trailer Hitch Lock Set (2-pack) with Extra Long 3-1/4" Span
Best for matching multiple trailers: keyed-alike two-pack with extra-long span for adjustable or deep receivers
Lock set for Class III/IV hitches with 2" and 2-1/2" receivers. Extra-long 5/8" pin ensures secure fit and easy push-button operation. Customer note: sturdy build and smooth installation/removal
- extra-long pin for secure fit
- compatible with two receiver sizes
- includes safety features (cotter pin, safety clip)
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6
Rhino USA 3 in Hitch Pin Locking Receiver Pin (Class V) – Weatherproof
Best for weather resistance in heavy-duty setups: 3-inch locking pin built for class-V hitches and outdoor use
Hitch pin and locking receiver pin engineered for Class V (3" x 3") hitches with anti-theft and debris-protection. Durable steel construction and tamper-resistant design for secure trailer connections. Customers note sturdy build and smooth operation, with some compatibility concerns noted by users
- anti-theft locking receiver pin
- fits 3 inch Class V hitches
- weatherproof, debris-protected
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7
Bolt 5/8" Receiver Lock for Chevy/GMC/Buick/Cadillac
Best for vehicle-specific fit: receiver lock tailored to Chevy/GMC/Buick/Cadillac applications with secure keying
Stainless steel 5/8" receiver lock opens with your ignition key, eliminating extra keys. Works with center cut Chevy, GMC, Buick & Cadillac keys; fits 2"-2.5" receivers. Durable construction; praised for ease of use
- Ignition-key integration
- Center-cut key compatibility
- Class 3–5 hitch compatibility
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8
TowWorks 5/8" Trailer Hitch Lock Set for Adjustable Hitches
Best for adjustable hitches: 5/8" lock set designed to fit a range of hitch positions and reduce rattle
Locking hitch pin set with 5/8" receiver pin and 4-1/2"/3-1/4" spans; fits most adjustable hitches and some pintle hooks. Easy push-button operation and secure fit for 2.5" receivers
- 5/8" locking pin with extra length
- fits most adjustable hitches
- secure, easy-to-use push-button lock
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9
Master Lock trailer hitch lock for 1-7/8 in to 2-5/16 in
Best for varied coupler sizes: trailer hitch lock that fits 1-7/8" to 2-5/16" setups with weather-resistant features
Vehicle hitch lock fits common trailer couplers with weather resistance and keyed-alike options. Customers note high quality, secure construction, and ease of use, with mixed fit reports for 2-5/16 in couplers
- Multiple coupler compatibility
- Resists rust and corrosion
- Locking mechanism resists picking and prying
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10
Trailer hitch locks 5/8" dia 4" pin for 2"-3-1/2" receivers (2 pack)
Best for multi-vehicle setups: two-pack 5/8" pins that cover 2" to 3-1/2" receivers for flexible use
Universal 5/8" hitch lock with 4" pin for 2" to 3-1/2" receivers. Push-to-lock design with o-rings for a tight fit; praised for solid construction and ease of use. Some users note occasional locking mechanism sticking
- universal 5/8" dia, fits multiple receiver sizes
- push-to-lock design for easy use
- includes anti-rattle o-rings