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1. Master Lock


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

Master Lock #ad - The only difference between this one 389DAT and the 379KA is the color. We can not key two 2 of these locks the same. Bright red finish discourages thief's from messing with your trailer. Universal coupler lock fits virtually all 1-7/8", 2", and 2-5/16" trailer couplers. The similar 379KA coupler locks are available keyed alike. Simple installation and removal. Resists rust and corrosion. Advanced locking mechanism resists picking and prying.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height7.5 Inches
Length6.5 Inches
Weight2.65 Pounds
Width4 Inches
Part Number389DAT

2. Reese


Yellow and Chrome, Heavy-Duty Steel, REESE Towpower 72783 Universal Coupler Lock, Adjustable Storage Security

Reese #ad - Dimensions: 9” x 9” x 3”. Built to last: the reese towpower universal Coupler lock is a premium lock constructed with an aluminum body and heavy-duty steel lock bar. 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. Universal fit: ratchet design is adjustable with 11 locking positions and fits 1-⅞”, 2”, and 2-5/16” couplers. Secure protection: easy-to-install lock resists picking, prying and drill outs.
BrandReese #ad
ManufacturerReese Towpower #ad
Height9 Inches
Length9 Inches
Weight1 Pounds
Width3 Inches
Part Number72783
Warranty1 Year



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

CURT #ad - 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.

Versatile. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction. 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. Easy to operate. 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.

Watertight. For your convenience, two keys are included with this trailer hitch lock. Dependable security. Two keys included. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Pin diameter:0625.
BrandCURT #ad
ManufacturerCURT #ad
Height1.25 Inches
Length8.87 Inches
Weight0.68 Pounds
Width1.87 Inches
Part Number23518
WarrantyLimited 1-year Warranty

4. Reese


Reese Towpower 7014700 Tow 'N Store Lock Kit

Reese #ad - Includes swiveling clip. Designed to provide excellent towing. Easy to install. Lockable offering extra safety. Includes swiveling clip.
BrandReese #ad
ManufacturerReese Towpower #ad
Height6 Inches
Length8 Inches
Weight2.8 Pounds
Width4 Inches
Part Number7014700
Warranty1 Year



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

CZC AUTO #ad - Security of our coupler locking pin: this trailer lock is made of high-strength steel to deter theft. 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.

Keeping the coupler lock in your pocket or vehicle anywhere that is fine. If you have any question after receiving or using our trailer tongue lock, please contact us, your problem will be solved within 24 HOURS. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. Czc auto trailer hitch coupler locking pin design:1/4 inch diameter tongue lock pin with effective length 3/4 Inch.

How to operate our trailer tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock. The hitch lock is coated with black electrophoretic paint to prevent corrosion. Small size for easy carrying. Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11410 S

6. Connor


V Hitches, 1615190 Receiver Lock, Connor Trailer Hitch Lock, 5/8" Black Nickel Hitch Pin for Class III, IV

Connor #ad - Fits most common hitch setups fits all class iii/iv 2" x 2" & class v 2-1/2" x 2-1/2" receivers 5/8" pin - Contact us on our website if you need more than 2 locks keyed alike. Ease of mind tow up to 20, 000 gtw without any worries! 3-1/2" usable length - Please note O-ring cannot be larger and not intended to touch the lock head or it would interfere with the locking mechanism.

Save time, avoid fumbling with keys, be safe remove the key right after unlocking to avoid all the key fumbling and hassle! push-to-lock technology ensures a secure fit everytime - PLEASE PUSH ALL THE WAY IN TO HEAR CLICK AND ENSURE IT'S FULLY LOCKED.

Constructed from heavy duty solid steel for superior strength durable black nickel finish - For replacement keys or rubber cap please visit our website or contact us on Amazon. Dependable strength patented design engineered to increase durability and strength- Includes 2 keys and an all-weather rubber key slot cap.
BrandConnor #ad
ManufacturerConnor #ad
Height0.6 Inches
Length6.2 Inches
Weight0.8 Pounds
Width1.7 Inches
Part Number1615190

7. Master Lock


2 in., Fits 1-7/8 in., Chrome, and Most 2-5/16 in. Trailer Couplers, Master Lock 377KA Trailer Hitch Lock

Master Lock #ad - 51mm and most 2-5/16 in. Trailer hitch lock fits 1-7/8 in. 59mm trailer couplers. One trailer coupler lock, two keys. Trailer lock is best used for vehicles, trailers, and RVs. Trailer coupler lock features advanced locking mechanism to resist picking and prying. 48mm, 2 in. Trailer hitch lock is constructed from zinc to resist rust and corrosion.
BrandMaster Lock #ad
ManufacturerMASTER LOCK #ad
Height2.8 Inches
Length5.6 Inches
Weight2.2 Pounds
Width4.3 Inches
Part Number377KA
WarrantyLimited Lifetime Warranty



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

CZC AUTO #ad - Fitment type: use a tow receiver lock to ensure the towing safety. Premium material: the trailer receiver lock uses black electrophoretic painted carbon steel, easy to handle. 360 degree rotating head, zinc alloy lock core. Updated tubular key hole, solid and hard to bend.

Czc auto hitch pin lock is compatible with hitch rack, cargo hitch tray, hitch ball and tow rope, bike rack, 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. 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.

All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Please feel free to contact us at first if there is any problem when you receive or use our products. Client support: 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues. When turn key to open the lock, after hearing "click", pin will be pops-up automatically and comfortably. We are always here to support you.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11208S

9. Master Lock


Master Lock 379ATPY Universal Trailer Hitch Lock

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

10. motormic


5/8" and 1/2" Extra Long Black Pins with One Locking System, motormic Trailer Hitch Lock Pin Set, 1 Safety Clip, 2” and 2.5 inch Class I,II,III,IV,V, 10 Anti Rattle O-Rings – Tow receivers 1.25”

motormic #ad - Can also be used as bike rack hitch lock *** For a perfect fit of the tow hitch lock pin, one safety clip, please verify all dimensions of your hitch before purchase. Full customer support : we are always ready to answer any question and solve any situation very fast to fulfill even the highest expectations.

Equally easy to unlock hitch locking pin with just 1/4 key turn system. Tow hitch lock with innovative design - extra safety clip & hole in each hitch lock pin for towing when locking system is lost or damaged. Trailer lock set with extended shaft of 3-1/2" also fits Toyota Tundra, GMC/Chevy 2500/3500 and Dodge trucks with heavy-duty tow packages. Locking pin for trailer hitch with 5 silicone O-rings for a perfect fit. 1/2" and 5/8" hitch pin lock set recommended for - all 1-1/4", ford f-150/f-250/f-350, 2 inch trailer hitch and 2-1/2" trailer receiver lock.

Motormic, you can count on us! Easy to use lockable hitch pin - locking hitch pin for 2 inch receivers & more made easy to install with Push-to-lock technology. Extra-long hitch receiver lock pins work with all class I, IV, II, III, V receivers. Set of two locking trailer hitch pin includes: 2 x extra-long truck hitch lock 1/2” and 5/8”, two keys per trailer hitch lock pin one for use, another as spare and an all-weather rubber key slot cap.
Brandmotormic #ad
ManufacturerMotormic #ad
Part NumberMotormic 1705