Top 10 Towing Hitch Locks – Towing Hitch Locks

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1. Reese


Adjustable Storage Security, Heavy-Duty Steel, REESE Towpower 72783 Coupler Lock

Reese #ad - Distance between lock shackle holes center to center is 4-1/2 inch. Built to last: the reese towpower universal coupler lock is a premium lock constructed with an aluminum body and heavy-duty steel lock bar.

Secure protection: easy-to-install lock resists picking, prying and drill outs. Dimensions: 9” x 9” x 3”. Universal fit: ratchet design is adjustable with 11 locking positions and fits 1-⅞”, 2”, and 2-5/16” couplers. Deters theft: bright, deterrent yellow color is durable, highly visible, and an essential accessory to all types of trailers. Guards against truck or trailer towaway theft in storage.
BrandReese #ad
ManufacturerReese Towpower #ad
Height9 Inches
Length9 Inches
Weight1 Pounds
Width3 Inches
Part Number72783
Warranty1 Year

2. Master Lock


Trailer Locks #389DAT, Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers, Master Lock

Master Lock #ad - This lock protects unattended trailers and guards against tow-away theft. The similar 379KA coupler locks are available keyed alike. The bright red finish discourages thiefs from messing with your trailer. We can not key two 2 of these locks the same. Advanced locking mechanism resists picking and prying. Simple installation and removal. The only difference between this one 389DAT and the 379KA is the color. Universal coupler lock fits virtually all 1-7/8", 2", and 2-5/16" trailer couplers. Resists rust and corrosion.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height7.5 Inches
Length6.5 Inches
Weight1 Pounds
Width4 Inches
Part Number389DAT
WarrantyMASTER LOCK PRODUCT WARRANTY Limited Lifetime Warranty Master Lock Company LLC (“Master Lock”) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at or 1.800.464.2088 for instructions on obtaining repair or replacement.

3. Master Lock


Master Lock 379ATPY Universal Trailer Hitch Lock , Black

Master Lock #ad - Trailer coupler lock features advanced locking mechanism to resist picking and prying. Trailer hitch lock fits 1-7/8 in. 51mm and most 2-5/16 in. Includes one trailer coupler lock, two keys. 59mm trailer couplers. 48mm, 2 in. Trailer lock is best used for vehicles, trailers, and RVs. Trailer hitch lock is constructed from zinc to resist rust and corrosion.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height4.6 Inches
Length5.1 Inches
Weight2 Pounds
Width3.5 Inches
Part Number379ATPY
Warranty1 year manufacturer

4. Reese


Black, Reese Towpower 7088300 Heavy Duty Coupler Lock

Reese #ad - Fits 1-7/8, 2 and 2-5/16 inch trailers. Ratchet design with eleven locking positions. Universal, fits all couplers. Bright theft deterrent silver. Two theft proof square keys are included. Secures trailer when not being towed.
BrandReese #ad
ManufacturerReese Towpower #ad
Height0 Inches
Length0 Inches
Weight3.15 Pounds
Width0 Inches
Part Number7088300
Warranty1 Year

5. Trimax


Black, Trimax UMAX100 Premium Universal Dual Purpose Coupler Lock

Trimax #ad - Key hole cover slides up to seal out dirt and grime. Crafted from the highest quality material. Perfect for outdoor and even indoor use. Made in China. One size fits all from 1-7/8", 2", to 2-5/16", all coupler types. Weighs 6 pounds. Rugged and durable, 7 pin, the key will not bend or break. Type a key which is a spring loaded, high security key. Attractive ballistic grade nylon housing absorbs hammer blows and protects against weather. Resists attempted drill outs.
BrandTrimax #ad
ManufacturerTrimax Locks - Wyers Products #ad
Height13 Inches
Length17 Inches
Weight1 Pounds
Width13 Inches
Part NumberUMAX100
WarrantyManufacturer Warranty



Fits 2-Inch Receiver, CURT 23518 Black Trailer Hitch Lock, 5/8-Inch Pin Diameter

CURT #ad - You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Easy to operate. With a 5/8-inch diameter pin and 2. 85 inches of usable pin length, this receiver hitch lock fits virtually any 2-inch x 2-inch hitch receiver with a 5/8-inch hole not compatible with double-walled receiver tubes.

Dependable security. The internal components of this hitch lock can easily be protected from the elements with the included watertight dust cap, while the entire hitch lock is shielded against corrosion with a durable powder coat finish. Versatile. Material-Carbon Steel. Receiver tube size: 2 in | pin Diameter:.

625. The barbell-style locking hitch pin promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. For your convenience, two keys are included with this trailer hitch lock. Watertight. Two keys included. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction.
BrandCURT #ad
ManufacturerCURT #ad
Height1.25 Inches
Length8.87 Inches
Weight0.7 Pounds
Width1.87 Inches
Part Number23518
WarrantyLimited 1-year Warranty

7. Rhino USA


Patented 5/8" Locking Receiver Pin for Class III IV Hitches, Mud & Gunk Protection, Weatherproof Anti-Theft Lockable Pin with Dust, Bike, Boat, Used to Tow Truck, Rhino USA Trailer Hitch Lock

Rhino USA #ad - Guaranteed 5-star experience - if you aren't 100% Satisfied for any Reason, We'll Refund your Money. American owned, family operated - join the rhino family & support a USA based Father/Son Business! Anti-theft hitch pin - solid forged Steel Ensures Protection to Your Trailer & Hitch From Theft. Patent pending design - newly Added Weatherproof Slide Cap Protects From Dirt, Mud & Gunk. Common hitch sizes - our unique hitch pin Fits all Class III & IV Hitches 2" x 2" With Ease.
BrandRhino USA #ad
ManufacturerRhino USA, Inc. #ad

8. Master Lock


1 Pack, Master Lock 2866DAT 1/2 in. and 5/8 in. Swivel Head Receiver Lock for Class I-IV, Black

Master Lock #ad - 1/2 in. For compatibility with bike or other storage racks, please consult the rack manufacturer’s recommendations prior to using this product. 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.

Included components: two Pins, Two Keys, One Locking Swivel Head. Snap-on cover provides weather resistance and prevents dirt and moisture from entering keyway, four-pin cylinder for added security to prevent lock picking. Trailer hitch locking pin is rated up to 10, 000 lbs Class III and IV.

16 mm diameter pin fits 2 in. 70 mm. 13 mm diameter pin fits 1-1/4 in. Trailer hitch locking pin is rated up to 3, 500 lbs class I and II, 5/8 in. 51 mm receiver tubes, class iii/iv; 1/2 in. 32 mm receiver tubes, class ii; Usable length of each chrome hitch pin lock is 2-3/4 in. 5/8 in. Receiver lock provides added security and theft deterrence while towing.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height1.58 Inches
Length8.56 Inches
Weight1.1 Pounds
Width3.75 Inches
Part Number2688DAT
WarrantyLimited Lifetime Warranty



For Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat 1 Pack, CZC AUTO Hitch Receiver Pin Lock, Trailer Receiver Lock with 5/8" Pin for Class III IV 2" and 2-1/2" Receiver, 5/8 inch pin

CZC AUTO #ad - Updated tubular key hole, solid and hard to bend. Easy operate design: czc auto hitch lock adopts push-to-lock design without key, you just need to pull the lock head to ensure it is working. We are always here to support you. When turn key to open the lock, after hearing "click", pin will be pops-up automatically and comfortably.

Premium material: the trailer receiver lock uses black electrophoretic painted carbon steel, dust and rust. Please feel free to contact us at first if there is any problem when you receive or use our products. Fitment type: use a tow receiver lock to ensure the towing safety. 360 degree rotating head, easy to handle. Czc auto hitch pin lock is compatible with hitch rack, bike rack, hitch ball and tow rope, cargo hitch tray, perfect for 2" and 2-1/2" receivers on trailer truck RV car boat.

Fit for 2" 2-1/2" tow receivers: czc auto dogbone style trailer hitch receiver lock uses 5/8" pin with 3-1/2" effective length perfect for Class III/IV 2", 2-1/2" hitch receiver tubes. Client support: 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues. All-weather rubber key slot cap keeps the keyhole away from moisture, zinc alloy lock core.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11208S



3/4 Inch Span for Tow Boat RV Truck Car's Coupler 1 Pack, Dia 1/4 Inch, Black, CZC AUTO Black Trailer Hitch Coupler Lock

CZC AUTO #ad - Czc auto - a reliable brand in hitch sercurity industry: we offer 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues. The hitch lock is coated with black electrophoretic paint to prevent corrosion.

Security of our coupler locking pin: this trailer lock is made of high-strength steel to deter theft. How to operate our trailer tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock. If you have any question after receiving or using our trailer tongue lock, please contact us, your problem will be solved within 24 HOURS. Keeping the coupler lock in your pocket or vehicle anywhere that is fine.

Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. Small size for easy carrying. Czc auto trailer hitch coupler locking pin design:1/4 inch diameter tongue lock pin with effective length 3/4 Inch.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11410