Top 10 Coupler Pin Lock – Towing Hitch Locks

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1. CZC AUTO

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

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CZC AUTO #ad - We offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues. Any issue in using our trailer hitch coupler lock, 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.

Czc auto trailer hitch coupler locking pin's design. 1/4 turn the key to open the coupler pin lock, the pin will pops-up automatically and comfortably. Application of the 1/4 trailer pin lock. Easy to operate coupler latch lock. The watertight rubber cap keeps rain, snow, ice and dirt out. Security of our coupler locking pin. 1/4 inch diameter black tongue lock pin with 2-1/2 inch effective length. Fits latch-type couplers for towing boat truck RV car.

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. Kinds of weather can be handled. Czc auto - reliable brand in towing sercurity industry. 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. Please verify the size before purchasing our trailer hitch coupler pin lock 1/4 inch.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11406

2. Master Lock

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

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Master Lock #ad - Ease of use: six locking positions provide maximum flexibility; Rekeyable cylinder offers keyed-alike convenience. Length. To 2-3/4 in. Durable design: Water-tight cap protects trailer hitch lock from moisture and dirt. Lock application: Best used for vehicles, trailers, and RV hitch locks. Includes: one trailer coupler latch lock, two keys. Specifications: coupler lock adjusts from 9/16 in.
BrandMaster Lock #ad
ManufacturerMASTER LOCK COMPANY LLC #ad
Height2 Inches
Length7 Inches
Weight0.25 Pounds
Width4 Inches
Part Number2847DAT
Model2847DAT
WarrantyLimited Warranty

3. Master Lock

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Trailer Locks 1471DAT, Master Lock, 3-1/2" Long Shackle x 9/32" Diameter Pin, Coupler Latch Lock

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Master Lock #ad - This master lock protects and guards against tow-away theft. Weather tough seal and water tight cap protects the lock from the elements. 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.

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. 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.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2 Inches
Length9.1 Inches
Weight0.75 Pounds
Width5 Inches
Part Number1471DAT
Model1471DAT

4. CURT

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

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CURT #ad - The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free. 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.

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. 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 diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers.

Versatile. Corrosion-resistant. 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. Easy to use. It can also be used for a trailer jack wheel, pintle hook and more. Secure.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height1 Inches
Length4 Inches
Weight0.05 Pounds
Width4 Inches
Part Number25080
Model25080
WarrantyLimited Lifetime

5. Trimax

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Trimax SXTC3 Premium Stainless Steel Coupler Lock 3.5" Span

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Trimax #ad - Package weight: 0408 pounds. Stainless Steel. Trimax offers more products keyed alike and cross-keyable products than any other competitor at no charge. Trimax corporation is the world’s leading lock manufacturer providing customers’ high quality products through innovative design.
BrandTrimax #ad
ManufacturerTrimax #ad
Height13 Inches
Length17 Inches
Weight2 Pounds
Width13 Inches
Part NumberSXTC3
ModelSXTC3
WarrantyLifetime Warranty

6. CURT

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

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CURT #ad - Weather-resistant. Versatile. For your convenience, two keys are included with this trailer tongue lock. Two keys included. Easy to operate. 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.

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. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design. 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.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length7 Inches
Weight0.45 Pounds
Width2 Inches
Part Number23521
Model23521
WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

7. CZC AUTO

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

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CZC AUTO #ad - Czc auto trailer hitch coupler locking pin design:1/4 inch diameter tongue lock pin with effective length 3/4 Inch. 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. The hitch lock is coated with black electrophoretic paint to prevent corrosion. 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 - a reliable brand in hitch sercurity industry: we offer 30-day money-back guarantee for any reason, 12-month warranty for quality-related issues.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11410

8. CURT

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CURT 23520 Chrome Trailer Tongue Coupler Lock, 1/4-Inch Pin Diameter, Up to 7/8-Inch Span

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CURT #ad - To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction. Dependable security. Watertight. The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating.

You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Two keys included. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 7/8 inches.

Easy to operate. This barbell-style trailer tongue lock promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. Versatile. For your convenience, two keys are included with this trailer tongue lock.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height5.5 Inches
Length8.88 Inches
Weight0.45 Pounds
Width6 Inches
Part Number23520
Model23520
WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

9. CURT

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CURT 23523 Chrome Trailer Tongue Coupler Lock, 1/4-Inch Pin Diameter, Up to 3-3/8-Inch Span

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CURT #ad - Versatile. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Dependable security. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3-3/8 inches.

This barbell-style trailer tongue lock promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. Easy to operate. For your convenience, two keys are included with this trailer tongue lock. The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating.

Two keys included. Watertight. To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction.
BrandCURT #ad
ManufacturerCURT Manufacturing #ad
Height2 Inches
Length7 Inches
Weight0.5 Pounds
Width2 Inches
Part Number23523
Model23523
WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

10. Reese

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Reese Towpower 7014700 Tow 'N Store Lock Kit

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Reese #ad - Includes swiveling clip. Lockable offering extra safety. Easy to install. Designed to provide excellent towing. Includes swiveling clip.
BrandReese #ad
ManufacturerReese Towpower #ad
Height6 Inches
Length8 Inches
Weight2.8 Pounds
Width4 Inches
Part Number7014700
Model7014700
Warranty1 Year