Top 10 Trailer Coupler Lock Safety Pin Hitch Receiver – Towing Ball Mounts

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1. TowWorks


TowWorks 79631 Keyed Unique 5/8" Trailer Hitch Lock with Extra Long 3-1/4" Span, Double Safety Tow Hitch Receiver Locking Pin for Class III IV Hitches with 2" and 2.5" Receivers

TowWorks #ad - Caution: r spring clip cotter pin MUST be inserted into pin hole when use this lock. Before purchase, please verify all dimensions of your hitch, to get a great fit of the hitch lock pin. Spring clip cotter pin provides additional safety - a separate spring clip cotter pin provides additional safety, can use the locking pin with or without the lock mechanism.

Each lock keyed unique: this item 79631 each lock keyed unique, please choose 79632; if you need 3 locks keyed alike, please choose 79633; if you need 4 or more than 4 locks keyed alike, NOT keyed alike. Push lock design with 2 keys - 2 tubular keys making it easier to lock and unlock, easy to operate, 1/4 turn lock and push lock design, watertight dust rubber cap prevents locking mechanism internal corrosion. Different brand hitches may have a little different hitch tube size, please adjust O ring quantity or remove O ring to fit the receivers.

Remark: if you need 2 locks keyed alike, please choose 79630 and give the quantity. Extra long pin fits 2" and 2-1/2" receivers - extra long 5/8" diameter locking hitch pin with maximum active length 3-1/4", fits class III/IV hitches with 2" and 2-1/2" receivers. Rubber o rings keep rattles down - rubber o rings prevent any rattling and hold the hitch pin still. Solid hardened steel tow hitch lock pin with black e-coated on zinc plated finish.
BrandTowWorks #ad
ManufacturerTowWorks #ad
Height1.2 Inches
Length7.7 Inches
Weight1.19 Pounds
Width1.2 Inches
Part Number79631
WarrantyOne-Year warranty on lock finish, lifetime warranty on lock function.



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

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.

Dependable security. For your convenience, two keys are included with this trailer hitch lock. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction. Watertight. 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. Easy to operate. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Two keys included. 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.
BrandCURT #ad
ManufacturerCURT #ad
Height1.25 Inches
Length8.87 Inches
Weight0.7 Pounds
Width1.87 Inches
Part Number23518
WarrantyLimited 1-year Warranty

3. Kohree


Kohree 5/8 inch Trailer Hitch Locking Pin, Solid Harden Steel Tow Receiver Hitch Lock with Extra Safety Clip & Anti Rattle O-Rings Fits Class III IV V 2 inches and 2-1/2 inches Receiver

Kohree #ad - Replace your worn or broken locks to bring a more secure way to your hitch. Fits class iii, class iv - up to 10, this weatherproof hitch pin perfectly fits 2 inches and 2. 5inches receivers and makes the hitch still without any rattle and shake. Flexible key slot capthe flexible key cap of the towing hitch lock, perfectly embed in the lock core.

It will cover the key hole tightly to keep away from moisture, is made of advance rubber, water and dust penetration. Push-to-lock designjust need to push 2 tubular keys to lock and unlock. A separate spring clip and 2 holes provide double safety. Package inclueded of 5 o-rings, you could adjust the quality of the O-Rings to keep rattles down and stop shake while driving. Anti-theftdesigned with safer zinc alloy lock core and plum blossom key hole, each lock cylinder is unique and protect your hitch from stealing.

Notes: weight carrying for kohree hitch lock are rated: class iii - up to 5, v receiverswith extra-long 5/8" diameter tow hitch lock and 5 O-Rings, 000 pounds, Class V - up to 17, IV, 000 pounds, 000 pounds. Solid steelkohree 5/8" trailer hitch lock weight is 1. 5 pounds. Unlike other stainless steel hitch lock that is forged weld or screwed in with Q235, our product is made from durable hardened steel with black e-coated and frameless construction, not easily broken or rusty. Easier to operate & use.
BrandKohree #ad
Manufacturerkohree #ad
Part NumberHY1007-HM

4. Reese


Yellow, Reese Towpower 7014700 Tow 'N Store Lock Kit

Reese #ad - Designed to provide excellent towing. Lockable offering extra safety. Includes swiveling clip. Includes swiveling clip. Easy to install.
BrandReese #ad
ManufacturerReese Towpower #ad
Height6 Inches
Length6 Inches
Weight2.8 Pounds
Width3.7 Inches
Part Number7014700
Warranty1 Year



Dia 5/8 Inch Trailer Hitch Lock Hitch Receiver Pin Lock for Class III IV 2" and 2-1/2" Receiver, Dia 1/4 Inch Hitch Coupler Lock with 3/4 Inch Span Fits Latch-Type Couplers, CZC AUTO Hitch Lock Set

CZC AUTO #ad - Trailer hitch coupler locking pin: dia 1/4 inch black tongue lock pin fits latch-type couplers with a max span up to 3/4 inch. Made of high-strength steel and coated with black electrophoretic paint, the 5/8 inch hitch pin lock & 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.

3. Any issue in using our trailer hitch coupler lock, simply contact us, your problem will be solved within 24 HOURS. Zinc alloy tubular lock core and more solid round key also help to improve security of the hitch locking pin & black coupler lock. Please verify the size before purchasing czc auto trailer receiver lock set. Push to lock on without using key; 2. Hitch rack, bike rack, cargo hitch tray, hitch ball and tow rope, perfect for 2" and 2-1/2" receivers and latch-type couplers for towing purpose like trailer truck RV car boat.

Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes. When unlocking, 1/4 turn the key, pin will pops-up automatically. Turn the key 5-7 time to lock/unlock the coupler lock. After hearing "click", pull the lock head to ensure it is working. Easy to operate 5/8 inch hitch lock pin & 1/4 inch trailer coupler lock.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11208E

6. Rhino USA


Rhino USA Trailer Hitch Lock Receiver Pin, Used to Tow Truck, Boat, Bike 1 Lock

Rhino USA #ad - 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. Common hitch sizes - our unique hitch pin Fits all Class III & IV Hitches 2" x 2" With Ease. Guaranteed 5-star experience - if you aren't 100% Satisfied for any Reason, We'll Refund your Money. Patent pending design - newly Added Weatherproof Slide Cap Protects From Dirt, Mud & Gunk.
BrandRhino USA #ad
ManufacturerRhino USA, Inc. #ad
WarrantyUnlimited Lifetime Warranty Included



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. Small size for easy carrying. 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. 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.

Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car. The hitch lock is coated with black electrophoretic paint to prevent corrosion. 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



CURT 25080 Trailer Coupler Pin, 1/4-Inch Diameter x 2-3/4-Inch Long

CURT #ad - With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball.

The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. It can also be used for a trailer jack wheel, pintle hook and more. The 1/4-inch trailer coupler pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure. High-strength. Easy to use. Corrosion-resistant. The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers.

The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free. Secure. Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time. Versatile.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height1 Inches
Length4 Inches
Weight0.05 Pounds
Width4 Inches
Part Number25080
WarrantyLimited Lifetime



Up to 3/4-Inch Span, 1/4-Inch Pin Diameter, CURT 23521 Black Trailer Tongue Coupler Lock

CURT #ad - Versatile. For your convenience, two keys are included with this trailer tongue lock. Two keys included. To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design.

Easy to operate. Weather-resistant. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. This trailer pin lock is protected from the elements with its black painted finish, while the coupler pin is shielded against corrosion with a durable zinc plating. This padlock-style trailer tongue lock has a heavy-duty look to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. Dependable security. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3/4 inches.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length7 Inches
Weight0.45 Pounds
Width2 Inches
Part Number23521
WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)



Truck, Class III IV Hitches, with 8 Rubber O-Rings, Fits 2" or 2-1/2" Receiver Tubes, 3-1/2” Long Pin, Car and Boat 1 Pack, Trailer, 5/8" Dia, METOWARE Trailer Hitch Receiver Pin Lock

METOWARE #ad - It is quite sturdy and can carry up to 30, 000 lbs, twice as much as that of common pin locks. Product of remarkable workmanship - the hitch lock features high quality solid steel with black electrophoretic paint. Universal compatibility - the trailer hitch lock is designed with a diameter 5/8" and a length of 3-1/2”.

Heavy duty trailer hitch pin lock – it’s a newly upgraded trailer hitch receiver lock with all metal construction. Additionally, the lock includes a rubber cap and 8 rubber O-rings, which effectively keeps the keyhole away from dirt, dust, water and prevents any rattling noises. Its anti-theft design can withstand significant blows from different kinds of external force. It is compatible with class iii iv hitches, 2” 2-1/2” hitch receiver, big towing truck and car Please make sure of the size of the lock or email us for more information before placing an order.

It is durable, and reliable. Two tubular keys are included to ensure easy fit and detach. Safe & easy to use - the core of the lock is made of premium zinc alloy tubular. In addition, a year of quality warranty is provided. If you are not satisfied with our lock within 30 days of your purchase, you will get all your money back or a replacement. Warranty service – we warrant the quality of our products.
ManufacturerMETOWARE #ad
Part Number47262