10 Best Towing Hitch Locks
#1 Best Pick
Master Lock 379ATPY Universal Trailer Hitch Lock, Black
Brand: Master Lock
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- Trailer hitch lock fits 1-7/8 in. (48mm), 2 in. (51mm) and most 2-5/16 in. (59mm) trailer couplers
- Trailer lock is best used for vehicles, trailers, and RVs
- Trailer coupler lock features advanced locking mechanism to resist picking and prying
- Trailer hitch lock is constructed from zinc to resist rust and corrosion
- Includes one trailer coupler lock, two keys
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#2 Best Value
CURT 23518 Hitch Lock,Black
Brand: CURT
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- 5/8" diameter pin fits 2" x 2" receiver tubes
- Protected by a durable black finish
- Easy-to-operate, 1/4-turn lock activation
- Watertight dust cap prevents internal corrosion
- Includes two keys for added convenience
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#3 Budget Pick
MAXXHAUL 50058 Hitch Receiver Lock with 5/8" and 1/2" Pins for 1-1/4", 2" and 2-1/2" Hitch Receivers
Brand: MAXXHAUL
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- New locking technology solution：No need to insert key when locking pin into lock head. Pin pops and disengages when key is inserted and turned for easy and convenient operation
- Heavy duty solid steel pin construction for superior strength and durability
- Designed to fit most common hitch setups: 1/2" diameter pin fits Class I & II 1-1/4" x 1-1/4" hitch receivers while 5/8" diameter pin fits Class III, IV and V receivers
- Material/Surface: rugged carbon steel with chrome finish
- Included two flat keys and an all-weather rubber key slot cap to protect keyhole from outside elements.Universal use: designed to fit Class I, Class II, Class III, Class IV and Class V hitch receivers.Lock head has diamond machined knurled finish for better grip.PLEASE MAKE SURE PIN IS PUSHED ALL THE WAY IN INTO LOCKING HEAD TO CLICK AND MAKE SURE ITS COMPLETELY LOCKED..PLEASE SCROLL DOWN AND BROWSE OUR A+ PAGES FOR MORE PRODUCT INFORMATION.
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#4 Top Choice
Master Lock 2866DAT 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV, 1 Pack, Black
Brand: Master Lock
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- Receiver lock provides added security and theft deterrence while towing
- 1/2 in. trailer hitch locking pin is rated up to 3,500 lbs (Class I and II), 5/8 in. trailer hitch locking pin is rated up to 10,000 lbs (Class III and IV)
- Locking head rotates 360 degrees allowing keyway to conveniently face forward; receiver lock features push-to-lock locking mechanism to ensure a secure lock every time; Push head firmly onto the pin and remove key
- Snap-on cover provides weather resistance and prevents dirt and moisture from entering keyway, four-pin cylinder for added security to prevent lock picking
- 5/8 in. (16 mm) Diameter pin fits 2 in. (51 mm) Receiver Tubes, Class III/IV; 1/2 in. (13 mm) Diameter pin fits 1-1/4 in. (32 mm) Receiver tubes, Class II; Usable length of each chrome hitch pin lock is 2-3/4 in. (70 mm).Included Components: Two Pins, Two Keys, One Locking Swivel Head.For compatibility with bike or other storage racks, please consult the rack manufacturer’s recommendations prior to using this product
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#5 Popular Choice
Shackle Hitch Receiver, 2 inch 42000 Lbs Maximum Break Strength, Solid with 3/4'' D Ring, Heavy Duty Towing Hitch Receivers, Never Rust, Best Towing Accessories for Vehicle Recovery Off-Road
Brand: MILINI
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- EXCELLENT TOWING POWER: Lab test at 42000lbs max breaking strength,over double the weight of standard truck
- SUPERIOR QUALITY MATERIAL: Double protection, electro-galvanized steel wire and powder coated, safty locked with MILINI shackle hitch receiver
- EASY TO USE: Featuring 5/8" screw pin, 3/4 shackle isolator and washer to make it more stability. Dual hitch pin hole design allows the D-Ring to swing horizontally or vertically
- Provides more flexibility to shackles, in order to fits more recovery situations.
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#6 Top Pick
Reese Towpower 7088300 Heavy Duty Coupler Lock, Grey
Brand: Reese Towpower
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- UNIVERSAL FIT: Compatible with all coupler sizes – 1-7/8", 2", and 2-5/16" trailers
- MAXIMUM SECURITY: Secures trailer when not in use to prevent theft
- ADJUSTABLE RATCHET DESIGN: Features 11 locking positions for a snug, custom fit
- ENHANCED THEFT PROTECTION: Includes two theft-proof square keys
- DURABLE & VISIBLE: Bright silver finish acts as a strong visual theft deterrent
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#7 Top Pick
Costcom Hitch Pin Lock Security Tow Ball Bar L Type Caravan Trailer Parts Anti Theft L-Type Security Lock for Tow Ball & Coupler, 3500kg Capacity
Brand: Costcom
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- PREVENT COSTLY THEFT & VANDALISM – This robust L-type lock physically blocks the hitch pin hole, preventing thieves from stealing your ball mount or entire trailer, even when it's unattended for long periods.
- MEETS AUSTRALIAN SAFETY STANDARDS – Engineered for reliability and peace of mind. With a 16mm (5/8") diameter pin, this lock is built to the rigorous Australian Safety Standards, ensuring it can handle the demands of towing up to its 3500kg rated capacity.
- HEAVY DUTY, WEATHER-RESISTANT CONSTRUCTION – Built to endure harsh conditions. Made from high-tensile steel with a corrosion-resistant chrome finish and a weatherproof rubber cap, this lock is protected against rust, dust, and the elements for long-lasting security.
- SIMPLE TO INSTALL & REMOVE – Secure your equipment in seconds. The straightforward L-shaped design allows for quick insertion and locking, getting you on the road faster without complicated setups. It’s the simple yet effective security solution you need.
- INCLUDES TWO CUSTOM KEYS – Never worry about losing access. The lock comes with two identical keys, making it easy to keep a spare. The reliable locking mechanism provides a secure fit that is difficult to pick or break.
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#8 Top Pick
WADY 1PCS Trailer Lock Hitch Pin Lock Towing Hook Elbow Style Hitch Pin Lock Anti- Hitch Trailer Accessories Hook Car Trailer Hook Trailer Hitch Receiver Lock (Silver)
Brand: WADY
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- 【High quality】The trailer receiver lock uses chrome plated stainless steel, solid and hard to bend. 360 degree rotating head, easy to handle.
- 【Trailer Hitch Lock】Our trailer hitch receiver lock features one watertight cap that keeps the keyhole away from water and dirt .
- 【Easy to Operate】Our trailer lock pin can be installed easily. As it contains only two main parts, as long as you couple these two parts with the hitch and give them a push, they will be automatically locked. This is because this lock has a push to lock mechanism that makes this product extremely easy to use.
- 【Security】This towing hitch lock Our core adopts more advanced anti-theft technology to improve safety.
- 【Widely Applied】Provides excellent anti-theft protection, Trailer Hitch Locking Pin is suitable for small trailers, trucks, cars, boats, and so on, practical and portable.
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#9 Top Pick
Coolrunner Trailer Hitch Lock Pin Set, 5/8" Extra Long Black Locking Hitch Pin, Heavy Duty Tow Hitch Receiver Lock with Anti-Rattle, Keys, Rubber Cap(5/8" Not Keyed Alike)
Brand: Coolrunner
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- 5/8" HITCH PIN LOCK SET RECOMMENDED FOR - Extra long 5/8" diameter locking hitch pin with maximum active length 3-1/2”, fits Class III,IV,V hitches with 2", 2.5" and 3" receivers.(Please verify you the size of your hitch and get a suitable hitch pin lock)
- MORE STURDY AND MORE DURABLE - The hitch lock trailer constructed from heavy duty iron and finished with black e-coated to increase the wear resistance and rust resistance. Watertight dust cap can protect the keyhole from water and dirt
- COME WITH SPRING CLIP & 5 RUBBER O RINGS - 1. A separate spring clip and 2 holes provide additional safety, 2 clip holes one for 2" x 2" receivers another for 2.5" x 2.5" receivers. 2. Rubber O rings prevent any rattling and hold the hitch pin still
- PUSH LOCK DESIGN MAKE EASY TO USE - With Push-to-lock technology and 1/4-turn lock, make it easy to lock and unlock the hitch lock set. Unlike most of simple lock, our upgraded aluminum alloy Plum Blossom Lock Core round key is much harder to be opened than the flat keys for higher security
- Features a barbell design and solid hardened steel tow hitch lock pin with black e-coated, tow up to 20,000 lbs GTW
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#10 Top Pick
Trailer Hitch Lock, 5/8" (1.56cm) Pin Diameter - Svidza Heavy Duty Trailer Hitch Pin for Towing Trucks and Cargo Carriers - 90MM
Brand: Svidza
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- Svidza trailer hitch lock is made of rigid strength steel for robustness and durability, protecting your trailer or tow vehicle from theft.
- Svidza barbell type trailer lock with rubber skin collar for reduced slack space and better pin length adjustment.
- The entire lock is coated with an anti-corrosion coating and the lock cylinder also comes with a dust cap, making it less susceptible to rust and corrosion and longer life.
- Svidza trailer hitch lock is 9cm long and 1.58cm thick, with multiple rubber rings for a wide range of applications.
- Hassle-free Purchase - Free replacement if the product fails under normal use within 90 days of the date of purchase.
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