Top 10 Tongue Coupler Lock – Towing Hitch Locks

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1. CURT

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

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

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

2. eagleking

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Eagleking Lot of 6 keyed Alike Universal Tow Trailer Coupler Lock fits 1-7/8" 2" 2-5/16"

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eagleking #ad - Eagleking brand, h. D. Universal Tow Trailer Coupler Lock. Come with 2 keys per lock; include: 6pcs Trailer coupler locks, 12pcs keys and Keyed Alike. Easy to install and remove; fits hitch sizes 1-7/8", 2", and 2-5/16";. Resists picking and prying, Rust and corrosion resistant;.
Brandeagleking #ad
Manufacturereagle king #ad
Part Numberdoes not apply

3. CURT

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

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CURT #ad - 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. To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction.

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. For your convenience, two keys are included with this trailer tongue lock. Watertight. Dependable security.

Two keys included. Easy to operate. Versatile. 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. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.
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)

4. CURT

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

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CURT #ad - To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction. 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. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Two keys included.

Versatile. 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. Easy to operate. For your convenience, two keys are included with this trailer tongue lock. Watertight. Dependable security.
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)

5. CZC AUTO

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CZC AUTO Hitch Receiver Pin Lock 5/8 Inch Trailer Receiver Lock Keyed Alike for Class III IV 2 2-1/2 Inch Trailer Tongue Coupler Lock Adjustable Dia 1/4 Inch 3 Inch Effectice Length Hitch Lock Set

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CZC AUTO #ad - All-weather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Superior material and features: the lock are made of heavy duty steel, firm, solid and hard to bend. After hearing "click", please pull the lock head to ensure that it is locked.

Turn the flat key to open the coupler pin lock. 1/4 inch diameter chromed tongue lock pin with 3 inch effective length. Widely application: czc auto hitch pin lock is compatible with hitch rack, bike rack, cargo hitch tray, hitch ball and tow rope, perfect for 2 inch and 2-1/2 inch receivers on trailer truck RV car boat.3360 degree rotating lock head is easy to handle. Please note that the keys of 2 pack are the same. We offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues.

4 flat keys. Easy to use: the hitch lock adopts push-to-lock design without using key. Czc auto - reliable brand in hitch lock industry. Adjustable 1/4 inch trailer pin lock-1 Inch to 3 Inch latch-type couplers for towing boat truck RV car. Good at detering theft and preventing corrosion. Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11101E

6. CZC AUTO

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

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CZC AUTO #ad - The watertight rubber cap keeps rain, snow, ice and dirt out. 1/4 turn the key to open the coupler pin lock, the pin will pops-up automatically and comfortably. Kinds of weather can be handled. 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. 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. Easy to operate coupler latch lock. Application of the 1/4 trailer pin lock. Czc auto trailer hitch coupler locking pin's design. 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.

Please verify the size before purchasing our trailer hitch coupler pin lock 1/4 inch. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. Czc auto - reliable brand in towing sercurity industry. Security of our coupler locking pin. 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.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11406

7. CZC AUTO

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Black, 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

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CZC AUTO #ad - 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. 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. 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. How to operate our trailer tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock.

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. 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. AMPLOCK

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AMPLOCK U-BRP2516 RV/Trailer Coupler Lock fits 2 5/16 inches Coupler

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AMPLOCK #ad - Easy to use with ampLOCK’s push and lock system. Molded to fit the specific shape of your trailer or Caravan RV 2 5/16 inches coupler when unhitched. The strongest lock to secure your trailer or caravan RV made with high quality materials and control and identification key system. Materials used by ampLOCK provide good rust resistance for use in all climates.
BrandAMPLOCK #ad
ManufacturerAMP #ad
Height8.5 Inches
Length7 Inches
Weight12 Pounds
Width6 Inches
Part Number8 87613 30016 7-a
Model8 87613 30016 7
WarrantyAMP Drummond Inc. (the ''Company'') provides a one-year limited warranty from the original date of purchase by the end-user of the products manufactured by the Company (the ''Product'') against defects in material and workmanship. This limited warranty is non-transferrable and is subject to certain restrictions. The provisions of this warranty do not apply to Products: (i) used for purposes for which they are not designed or intended; (ii) which have been altered or abused; or (iii) which have been used in violation of any written instructions provided by the Company. SOLE REMEDY; NO ADMISSION The company's sole obligation under this warranty shall be to replace the Product. In no event shall the Company's acceptance to replace a Product be construed as an admission of liability of any kind, including, without limitation, that the Product returned was in fact defective.

9. Trimax

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Trimax TMC10 Coupler / Door Latch Lock fits couplers to 3/4" span

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Trimax #ad - Resists attempted drill outs. Rugged and durable, 7 pin, the key will not bend or break. Type a key which is a spring loaded, high security key. Protective rubber cap protects keyhole from water, grime, and dirt. Protective rubber bumper prevents rattling and abrasion. Fits couplers with up to a 3/4" span. Internal o-ring in lock keeps water, grime and dirt out of locking mechanism to ensure years of use.
BrandTrimax #ad
ManufacturerTrimax #ad
Height5.1 Inches
Length1.5 Inches
Weight0.58 Pounds
Width3.9 Inches
Part NumberTMC10
ModelTMC10
WarrantyLifetime Warranty

10. CZC AUTO

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Dia 1/4 Inch, CZC AUTO Trailer Tongue Coupler Lock, 7/8 Inch Span Fits Latch-Type Coupler for Towing Boat Truck RV Car Trailer

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CZC AUTO #ad - Any issue in using our trailer hitch coupler lock, simply contact us, your problem will be solved within 24 HOURS. Our 1/4 inch trailer tongue lock push-to-lock design without key, you just need to pull the lock head to ensure it is working. Kinds of weather can be handled.

Security of our coupler locking pin. 1/4 turn the key to open the coupler pin lock, after hearing "click", the pin will pops-up automatically and comfortably. Zinc alloy tubular lock core and more solid round key also help to improve security of the black coupler lock. Application of the 1/4 trailer pin lock. Czc auto - reliable brand in towing sercurity industry. 1/4 inch diameter balck tongue lock pin with 7/8 inch effective length. Easy to operate coupler latch lock. Please verify the size before purchasing our trailer hitch coupler pin lock 1/4 inch.

Czc auto trailer hitch coupler locking pin's design. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. The watertight rubber cap keeps rain, snow, ice and dirt out. 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. Fits latch-type couplers for towing boat truck RV car.
BrandCZC AUTO #ad
ManufacturerCZC AUTO #ad
Part Number11404