Top 10 Trailer Lock Pin – Trailer Coupler Parts

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1. Reese


Reese Towpower 7042100 Adjustable Coupler Latch Lock

Reese #ad - Adjusts from 5/8 inch to 3 inches. Flat key design. 3/16 inch diameter pin fits most couplers. 6 locking positions. Nickel plated steel shank and brushed aluminum body.
BrandReese #ad
ManufacturerReese Towpower #ad
Height2 Inches
Length6 Inches
Weight0.2 Pounds
Width2 Inches
Part Number7042100
Warranty1 Year



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, Black

CZC AUTO #ad - Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car. 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.

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. Czc auto trailer hitch coupler locking pin design:1/4 inch diameter tongue lock pin with effective length 3/4 Inch. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin.

Security of our coupler locking pin: this trailer lock is made of high-strength steel to deter theft. Small size for easy carrying. 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.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11410

3. Cenipar


Cenipar Trailer Hitch Coupler Locking Pin 1/4 Inch Diameter 2-1/2 Inch Long for Truck Car and Boat Fits Class III IV Hitches Towing Locks

Cenipar #ad - Effective theft prevention : hitch receiver pin lock is made with high-strength steel construction have Reliable safety for Towing Boat Truck RV Car Trailer Fits Class III IV Hitches, at the same time locking pin Able to avoid theft of your truck and the things hanging on the truck.

Improve security of your cargo and provide you a safer journey. Package include:lock pin*1 1/4 inch diameter 2-1/2 inch long + lock head*1 361°rotating design& water proof rubber cap + tubular keys*2 one for standby Please check your size before buying. 30 days warranty :30 days warranty⭐risk-free shopping⭐ if you have any question, please don't hesitate to contact us. We will try our best to satisfy every customer. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin.

Easy to operate:this trailer hitch lock is easy operationIt, can be opened just like opening the door by turning the key. Our push-to-lock design, You can easily lock it without key. The trailer hitch coupler lock provides customers a safe and Convenient environment. Waterproof & corrosion function:the black trailer coupler lock is made of high-strength carbon steel coated with black electrophoretic paint. The trailer hitch lock is durable and rust free. To prevent corrosion in all weathers.
BrandCenipar #ad
ManufacturerCenipar #ad
Part Number0.25in long hitch pin-1



Dia 1/4 Inch, CZC AUTO Trailer Tongue Coupler Lock, 2-1/2 Inch Span Fits Latch-Type Coupler for Towing Boat Truck RV Car Trailer

CZC AUTO #ad - 1/4 turn the key to open the coupler pin lock, the pin will pops-up automatically and comfortably. 1/4 inch diameter black tongue lock pin with 2-1/2 inch effective length. Our 1/4 inch trailer tongue lock push-to-lock design without key, after hearing "click", you just need to pull the lock head to ensure it is working.

Easy to operate coupler latch lock. Security of our coupler locking pin. Czc auto - reliable brand in towing sercurity industry. Please verify the size before purchasing our trailer hitch coupler pin lock 1/4 inch. Made of high-strength steel and coated with black electrophoretic paint, the 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion. Application of the 1/4 trailer pin lock.

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 black coupler lock. Fits latch-type couplers for towing boat truck RV car. The watertight rubber cap keeps rain, snow, ice and dirt out. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. Kinds of weather can be handled.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11406



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

CURT #ad - Dependable security. 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. 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 hitch lock. 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. Watertight. 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. Two keys included. Receiver tube size: 2 in | pin Diameter:. 625. To protect your trailer and trailer hitch ball mount from theft, this locking hitch pin is made with high-strength steel construction. Easy to operate. Material-Carbon Steel.
BrandCURT #ad
ManufacturerCURT #ad
Height1.25 Inches
Length8.87 Inches
Weight0.7 Pounds
Width1.87 Inches
Part Number23518
WarrantyLimited 1-year Warranty

6. Master Lock


Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle x 9/32" Diameter Pin

Master Lock #ad - This master lock protects and guards against tow-away theft. K1 key blank. Chrome plated for improved wear and corrosion resistance. The lock works when the trailer is either connected to the tow vehicle or when the trailer is unattached.

Fits ufp and surge brake couplers. It has a precision 4 pin tumbler mechanism that resists picking. Weather tough seal and water tight cap protects the lock from the elements. The lock prevents the coupler latch from moving, therefore preventing either the coupler to be removed from the ball, or not allowing a ball to be placed into the coupler. Pin length or dimensional fit is 3-1/2" wide with a 9/32" diameter pin which is a standard size on virtually all couplers.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2 Inches
Length9.1 Inches
Weight0.75 Pounds
Width5 Inches
Part Number1471DAT
Warranty2 year manufacturer



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

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

8. Master Lock


2847DAT, Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock

Master Lock #ad - Specifications: coupler lock adjusts from 9/16 in. Lock application: Best used for vehicles, trailers, and RV hitch locks. Durable design: Water-tight cap protects trailer hitch lock from moisture and dirt. Length. Ease of use: six locking positions provide maximum flexibility; Rekeyable cylinder offers keyed-alike convenience. Includes: one trailer coupler latch lock, two keys. To 2-3/4 in.
BrandMaster Lock #ad
Height2 Inches
Length7 Inches
Weight0.25 Pounds
Width4 Inches
Part Number2847DAT
WarrantyLimited Warranty

9. Rhino USA


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

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. 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.
BrandRhino USA #ad
ManufacturerRhino USA, Inc. #ad

10. META Hardware


Trailer Hitch Lock Pin, Trailer Lock with 5/8'' Dia and 3-1/2” Long Pin, Fits Class III/IV 2" and 2-1/2"Receiver Tubes for Trailer Truck Car and Boat Receiver Lock 1 Pack

META Hardware #ad - It is compatible with class iii iv hitches, 3'' hitch receiver on trailer truck RV car boat bike, 2” 2-1/2”, etc. Universal compatibility - this hitch lock with diameter 5/8" and a length of 3-1/2” pin. When unlocking, after hearing "click", turn the key, pin will pops-up automatically.

Heavy duty trailer hitch locking pin – it’s a newly upgraded trailer hitch lock with all metal construction. It is quite sturdy and can carry up to 30, twice as much as that of common pin locks. In addition, a year of quality warranty is provided. If you are not satisfied with our lock within 32 days of your purchase, you will get all your money back or a replacement. Easy to install - press-to-lock on without using key, pull the lock head to ensure it is working.

It is durable, 000 lbs, and reliable. The core of the receiver lock is made of premium zinc alloy tubular. Its anti-theft design can withstand the influence of different types of external forces. Package include: 2 x keys, 8 x rubber o-rings, 1 x 5/8"lock pin fits most 2"receivers, 1 x Upgrade button lock head. Safe & premium material- the lock features high quality solid steel with black electrophoretic paint. Warranty service – we warrant the quality of our products.
BrandMETA Hardware #ad
ManufacturerMETA Hardware #ad
Part Number41006