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 - Rubber o rings keep rattles down - rubber o rings prevent any rattling and hold the hitch pin still. Different brand hitches may have a little different hitch tube size, please adjust O ring quantity or remove O ring to fit the receivers. Solid hardened steel tow hitch lock pin with black e-coated on zinc plated finish.

Remark: if you need 2 locks keyed alike, please choose 79632; if you need 3 locks keyed alike, please choose 79633; if you need 4 or more than 4 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. Each lock keyed unique: this item 79631 each lock keyed unique, not keyed alike. 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. 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. 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.
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, CURT 23518 Black Trailer Hitch Lock, Fits 2-Inch Receiver

CURT #ad - Easy to operate. Dependable security. For your convenience, two keys are included with this trailer hitch lock. 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.

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. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.

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. Versatile. 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

3. Kohree


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 5/8 inch Trailer Hitch Locking Pin

Kohree #ad - Notes: weight carrying for kohree hitch lock are rated: class iii - up to 5, iv, V RECEIVERSWith extra-long 5/8" diameter tow hitch lock and 5 O-Rings, 000 pounds, 000 pounds, 000 pounds. Package inclueded of 5 o-rings, you could adjust the quality of the O-Rings to keep rattles down and stop shake while driving.

Push-to-lock designjust need to push 2 tubular keys to lock and unlock. Easier to operate & use. Flexible key slot capthe flexible key cap of the towing hitch lock, is made of advance rubber, perfectly embed in the lock core. A separate spring clip and 2 holes provide double safety. Fits class iii, class iv - up to 10, class v - up to 17, this weatherproof hitch pin perfectly fits 2 inches and 2.5inches receivers and makes the hitch still without any rattle and shake.

Replace your worn or broken locks to bring a more secure way to your hitch. Anti-theftdesigned with safer zinc alloy lock core and plum blossom key hole, each lock cylinder is unique and protect your hitch from stealing. 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.
BrandKohree #ad
Manufacturerkohree #ad
Part NumberHY1007-HM

4. Reese


Yellow, Reese Towpower 7014700 Tow 'N Store Lock Kit

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



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

CZC AUTO #ad - Czc auto - reliable brand in hitch locks industry. Universal application of czc auto hitch pin lock kit. 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.

Any issue in using our trailer hitch coupler lock, simply contact us, your problem will be solved within 24 HOURS. When unlocking, 1/4 turn the key, pin will pops-up automatically. After hearing "click", pull the lock head to ensure it is working. Please verify the size before purchasing czc auto trailer receiver lock set. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. 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.

3. New lock way: 1. Turn the key 5-7 time to lock/unlock the coupler lock. Easy to operate 5/8 inch hitch lock pin & 1/4 inch trailer coupler lock. 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. Security of 5/8 inch towing hitch lock & 1/4 inch coupler locking pin.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11208E

6. Rhino USA


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

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



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

CZC AUTO #ad - If you have any question after receiving or using our trailer tongue lock, please contact us, your problem will be solved within 24 HOURS. 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.

The hitch lock is coated with black electrophoretic paint to prevent corrosion. 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. How to operate our trailer tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock.

Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. 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. Security of our coupler locking pin: this trailer lock is made of high-strength steel to deter theft.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11410



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

CURT #ad - With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. 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.

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. High-strength. It can also be used for a trailer jack wheel, pintle hook and more. This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. Secure.

The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free. The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. Easy to use. Versatile. 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.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height1 Inches
Length4 Inches
Weight0.05 Pounds
Width4 Inches
Part Number25080
WarrantyLimited Lifetime



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

CURT #ad - 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. Two keys included.

You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Versatile. For your convenience, two keys are included with this trailer tongue lock. Easy to operate. Dependable security. 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. Weather-resistant. 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. To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design.
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)



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

METOWARE #ad - Warranty service – we warrant the quality of our products. Universal compatibility - the trailer hitch lock is designed with a diameter 5/8" and a length of 3-1/2”. Additionally, dust, the lock includes a rubber cap and 8 rubber O-rings, which effectively keeps the keyhole away from dirt, water and prevents any rattling noises.

It is durable, and reliable. It is quite sturdy and can carry up to 30, 000 lbs, twice as much as that of common pin locks. In addition, a year of quality warranty is provided. 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. Product of remarkable workmanship - the hitch lock features high quality solid steel with black electrophoretic paint.

Safe & easy to use - the core of the lock is made of premium zinc alloy tubular. Two tubular keys are included to ensure easy fit and detach. Heavy duty trailer hitch pin lock – it’s a newly upgraded trailer hitch receiver lock with all metal construction. If you are not satisfied with our lock within 30 days of your purchase, you will get all your money back or a replacement. Its anti-theft design can withstand significant blows from different kinds of external force.
ManufacturerMETOWARE #ad
Part Number47262