Top 10 Padlock for Trailer Hitch – Towing Hitch Locks

As an Amazon Associate I earn from qualifying purchases.

1. CURT

#ad

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

#ad
CURT #ad - To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design. Dependable security. Versatile. Weather-resistant.

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. Two keys included. For your convenience, two keys are included with this trailer tongue lock. 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. 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. 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
Height2 Inches
Length7 Inches
Weight0.45 Pounds
Width2 Inches
Part Number23521
Model23521
WarrantyLimited Lifetime Warranty (One-Year Finish, One-Year Parts)

2. Master Lock

#ad

Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers, Trailer Locks #389DAT, Master Lock

#ad
Master Lock #ad - Simple installation and removal. Resists rust and corrosion. Universal coupler lock fits virtually all 1-7/8", 2", and 2-5/16" trailer couplers. This lock protects unattended trailers and guards against tow-away theft. The only difference between this one 389DAT and the 379KA is the color. Advanced locking mechanism resists picking and prying. The similar 379KA coupler locks are available keyed alike. The bright red finish discourages thiefs from messing with your trailer. We can not key two 2 of these locks the same.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height7.5 Inches
Length6.5 Inches
Weight1 Pounds
Width4 Inches
Part Number389DAT
Model389DAT
WarrantyMASTER LOCK PRODUCT WARRANTY Limited Lifetime Warranty Master Lock Company LLC (“Master Lock”) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

3. CZC AUTO

#ad

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

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

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. 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, please contact us, 12-month warranty for quality-related issues.

Small size for easy carrying. If you have any question after receiving or using our trailer tongue lock, your problem will be solved within 24 HOURS. The hitch lock is coated with black electrophoretic paint to prevent corrosion. 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

4. Master Lock

#ad

Master Lock 605DAT Trailer Coupler Padlock, 2 Pack

#ad
Master Lock #ad - This listing is for two 2 solid brass coupler latch locks. Protected case-hardened steel shackle resists cutting and built-in anti-sawing pin for maximum protection. Simple installation and removal. Opening measures exactly 3/4". Solid brass case for corrosion resistance. Limited lifetime warranty. Works on all 1-7/8" and 2" coupler latches, but not all 2-5/16". Matching colored keyhead for added convenience. These locks are NOT keyed alike.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height5.56 Inches
Length0.9 Inches
Weight1 Pounds
Width3.5 Inches
Part Number605DAT
Model605DAT
WarrantyAs Labeled

5. Master Lock

#ad

Master Lock 605DAT Coupler Latch Lock-Solid Brass Trailer Lock Bundle with Lumintrail Keychain Light

#ad
Master Lock #ad - The solid brass material provides resistance against rust and corrosion. Comes with 2 keys. 1 pack 605dat shackle lock Bundled with Lumintrail Keychain Light. Precision pin tumbler mechanism for superior pick resistance. Solid brass coupler latch lock with 3/4in 19mm shackle.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Part Number605DAT

6. CZC AUTO

#ad

CZC AUTO Trailer Hitch Receiver Lock, Fits Bike Rack Tray Ball Mount for Towing Trailer Truck Car Boat RV, Padlock Style and Swivel Head,Dia 5/8 Inch Bent Pin for Class III IV 2 2-1/2 Inch Receiver

#ad
CZC AUTO #ad - Czc auto trailer hitch locking pin design: 5/8 inch diameter with effective length 3-1/2 Inch bent pin. Swivel head is easy to handle. If you have any question after receiving or using our trailer hitch receiver locing pin, please contact us, your problem will be solved within 24 HOURS.

Material & design features of receiver padlock: Chrome plated high-strength steel can deter theft and corrosion. 1/4 turn the key to open the receiver lock, after hearing "click", the pin will pops-up automatically and comfortably. Fits for class iii iv 2 2-1/2 Inch hitch receiver tubes. Rubber cap keeps the keyhole away from moisture, dust and rust. Easy to operate czc auto hitch receiver lock: our hitch lock adopts push-to-lock design without key, you just need to pull the lock head to ensure it is working.

Please check your hitch setup before ordering. Universal towing receiver hitch lock's application: receiver,hitch ball mount,hitch rack, bike rack and tow rope, cargo hitch tray, perfect for 2 2-1/2 Inch receivers on trailer truck RV car boat. Czc auto - a reliable brand in hitch security 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 Number11302

7. Hotop

#ad

2 Pieces Trailer Hitch Coupler Lock Trailer Coupler Padlock 1/4 Inch Hitch Pin 3/4 Coupler Span for SUV Truck Trailer RV Trucks Boat

#ad
Hotop #ad - Easy to operate: this padlock-style trailer tongue lock is easy to install and simple to remove, and uses a simple 1/4 turn lock activation for convenient locking and unlocking as needed. Instructions: each one of our lock is combined with 2 keys, in case of losing, and align the pin to the key hole, you just need to insert the key and turn the key 5 - 7 times to open, turn the key 5 - 7 times to lock.

Portable size: 1/4 inch diameter tongue lock pin with effective length 3/4 Inch, won't take much space, small size for easy carrying, keeping the coupler lock in your pocket or vehicle anywhere that is fine; Note: please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. Widely application: provides additional security for your camper, also secures trailer door latches, boat or trailer by securing the coupler on your trailer tongue, cargo boxes and other types of doors.

Sturdy and durable material: our trailer coupler padlock is made of copper alloy, the surface of the lock will have a black coating to prevent corrosion, it is very strong, the part of the lock is stainless steel and will not rust, a very practical tool that can be applied for a long time.
BrandHotop #ad
ManufacturerHotop #ad
Part NumberHotop-trailer lock coupler -01

8. Reese

#ad

Reese Towpower 7005300 Brass Coupler Lock

#ad
Reese #ad - Corrosion resistant. Corrosion resistant. Designed to provide safety to the trailer from theft. Made from brass.
BrandReese #ad
ManufacturerReese Towpower #ad
Height6 Inches
Length2 Inches
Weight0.35 Pounds
Width2 Inches
Part Number7005300
Model7005300
Warranty1 Year

9. Master Lock

#ad

1-9/16-Inch Wide Body, Shackle Fits 9/32-Inch Or 1/2-Inch Diameter, Keyed Alike, Master Lock 37KA Shrouded Laminated Steel Pin Tumbler Padlock

#ad
Master Lock #ad - Non-rekeyable, 4-pin cylinder helps prevent picking. 1-9/16-inch shrouded laminated steel body for superior strength. Shackle fits openings 1/2-inch in diameter or larger, the shackle guard is removable to accomidate openings 9/32-inch in diameter. Dual locking levers provide extra pry resistance. Armored hardened steel shackle defies cutting.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height1.3 Inches
Length3.9 Inches
Weight0.4 Pounds
Width2.2 Inches
Part Number37KA
Model37KA
WarrantyLimited Warranty

10. Reese

#ad

Reese Towpower 7005800 Gorilla Guard Stainless Steel Coupler Lock

#ad
Reese #ad - Impervious and indestructible for tampering devices. Corrosion resistant. Corrosion resistant. Designed to provide excellent protection for trailers.
BrandReese #ad
ManufacturerReese Towpower #ad
Height6 Inches
Length2 Inches
Weight0.2 Pounds
Width2 Inches
Part Number7005800
Model7005800
Warranty1 Year