As an Amazon Associate I earn from qualifying purchases.



The hitch lock is coated with black electrophoretic paint to prevent corrosion. Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car.
Small size for easy carrying. Keeping the coupler lock in your pocket or vehicle anywhere that is fine. 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.






1. Reese
#ad
Reese Towpower 7014700 Tow 'N Store Lock Kit, Yellow
#adReese #ad - Lockable offering extra safety. Includes swiveling clip. Includes swiveling clip. Easy to install. Designed to provide excellent towing.More information #ad
Brand | Reese #ad |
Manufacturer | Reese Towpower #ad |
Height | 6 Inches |
Length | 6 Inches |
Weight | 2.8 Pounds |
Width | 3.7 Inches |
Part Number | 7014700 |
Model | 7014700 |
Warranty | 1 Year |
More information #ad
2. Master Lock
#ad
3 Components Keyed Alike, Master Lock 3895DAT, Coupler Lock, Receiver Lock and Latch Lock
#adMaster Lock #ad - For more detailed information, please click "See More Product Details". Complete trailer security system KEYED ALIKE. 1 coupler lock, 1 receiver lock & 1 latch lock all keyed alike; 1 key opens all 3 locks.More information #ad
This lock set can not be keyed alike with other locks nor can 2 of these lock sets be keyed alike. The limited lifetime Warranty provides peace of mind from a brand you can trust.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 3.5 Inches |
Length | 9 Inches |
Width | 6.25 Inches |
Part Number | 3895DAT |
Model | 3895DAT |
Warranty | MASTER 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. |
More information #ad
3. Master Lock
#ad
Master Lock, 5 Trailer Locks Keyed Alike #5KA-37940-37
#adMaster Lock #ad - Round padlocks 2-3/4" 70mm wide laminated stainless steel body resists corrosion. Total trailer security Keyed Alike - One key opens all five 5 locks. Coupler lock fits 1-7/8", 2" & 2-5/16" couplers. Latch lock doesn't fit some 2-5/16" couplers.More information #ad
Multiple 5ka trailer lock packages can be keyed alike. See description below for latch lock #37 applications. In stock with a delivery time of 1 to 5 business days. If you ordered a quanity of 2, 3 etc we would automatically key them all the same. For 2-5/16 couplers the better lock set is: Master Lock - 5 Trailer Locks Keyed Alike 5KA-37940-3.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Part Number | 5KA-37940-37 |
Model | 5KA-37940-37 |
More information #ad
4. CZC AUTO
#ad
3/4 Inch Span for Tow Boat RV Truck Car's Coupler 2 Pack keyed Alike, CZC AUTO Black Trailer Hitch Coupler Lock, Black, Dia 1/4 Inch
#adCZC AUTO #ad - 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.The hitch lock is coated with black electrophoretic paint to prevent corrosion. Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car.
More information #ad
Security of our coupler locking pin: this trailer lock is made of high-strength steel to deter theft. 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. Keeping the coupler lock in your pocket or vehicle anywhere that is fine. 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.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11410 S |
More information #ad
5. Master Lock
#ad
3794DAT , Trailer Coupler & Receiver Lock Combo Pack, Master Lock Trailer Lock, Red
#adMaster Lock #ad - Lock application: Best used for vehicles, trailers, and RV hitch locks. Couplers. Includes: one trailer coupler lock, one receiver lock, one trailer coupler latch lock; two keys both keys open all three locks. And most 2-5/16 in.More information #ad
Durable design: weather Tough seal and watertight cap provide protection from moisture and dirt. To 2-3/4 in. Fits 1-7/8 in. 2 in. Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key. Specifications: stainless steel trailer coupler lock adjusts from 9/16 in.Brand | Master Lock #ad |
Manufacturer | MASTER LOCK #ad |
Height | 4 Inches |
Length | 10 Inches |
Weight | 1 Pounds |
Width | 5 Inches |
Part Number | 3794DAT |
Model | 3794DAT |
Warranty | 1 year manufacturer |
More information #ad
6. Master Lock
#ad
6 Trailer Locks Keyed Alike 6KA-37937-37, Master Lock
#adMaster Lock #ad - If you ordered a quanity of 2, 3 etc we would automatically key them all the same. In stock with a delivery time of 1 to 5 business days. See description below for latch lock #37 applications. For 2-5/16 couplers the better lock set is: Master Lock - 6 Trailer Locks Keyed Alike 6KA-37937-3.More information #ad
Each lock comes with two keys, for a total of twelve keys. Latch lock doesn't fit some 2-5/16" couplers. Coupler lock fits 1-7/8", 2" & 2-5/16" couplers. Total trailer security Keyed Alike - One key opens all six locks. Multiple 6ka trailer lock packages can be keyed alike.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 1 Inches |
Length | 1 Inches |
Weight | 1 Pounds |
Width | 1 Inches |
Part Number | 6KA-37937-37 |
Model | 6KA-37937-37 |
More information #ad
7. Master Lock
#ad
Master Lock 379ATPY Universal Trailer Hitch Lock , Black
#adMaster Lock #ad - Trailer hitch lock fits 1-7/8 in. 48mm, 2 in. Includes one trailer coupler lock, two keys. Trailer hitch lock is constructed from zinc to resist rust and corrosion.More information #ad
Trailer coupler lock features advanced locking mechanism to resist picking and prying. 51mm and most 2-5/16 in. 59mm trailer couplers. Trailer lock is best used for vehicles, trailers, and RVs.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 4.6 Inches |
Length | 5.1 Inches |
Weight | 2 Pounds |
Width | 3.5 Inches |
Part Number | 379ATPY |
Model | 379ATPY |
Warranty | 1 year manufacturer |
More information #ad
8. Reese
#ad
Grey, Reese Towpower 7088300 Heavy Duty Coupler Lock
#adReese #ad - Fits 1-7/8, 2 and 2-5/16 inch trailers. Two theft proof square keys are included. Universal, fits all couplers. Ratchet design with eleven locking positions. Bright theft deterrent silver. Secures trailer when not being towed.More information #ad
Brand | Reese #ad |
Manufacturer | Reese Towpower #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 3.15 Pounds |
Width | 0 Inches |
Part Number | 7088300 |
Model | 7088300 |
Warranty | 1 Year |
More information #ad
9. Trimax
#ad
Pack of 2, Trimax THP2XL Keyed Alike Trailer Door Lock
#adTrimax #ad - Protects against bolt cutters, no exposed shackle to cut or saw. Two pack of tHPXL are keyed alike. Enlarged opening covers and secures ALL trailer hasps. Solid steel and thicker body with 3/8" diameter internal shackle. 2-7/8" diameter.More information #ad
Brand | Trimax #ad |
Manufacturer | Trimax Locks - Wyers Products #ad |
Height | 4 Inches |
Length | 7.9 Inches |
Weight | 1 Pounds |
Width | 4.4 Inches |
Part Number | THP2XL |
Model | THP2XL |
Warranty | Lifetime |
More information #ad
10. Trimax
#ad
Trimax THP3XL Hockey-Puck Shackle Trailer Door Lock-3 Pack
#adTrimax #ad - Trimax corporation is the world’s leading lock manufacturer providing customers’ high quality products through innovative design. Easy to use.More information #ad
Brand | Trimax #ad |
Manufacturer | Trimax Locks - Wyers Products #ad |
Height | 3.54 Inches |
Length | 1.46 Inches |
Weight | 6.59 Pounds |
Width | 1.61 Inches |
Part Number | THP3XL |
Model | THP3XL |
Warranty | Manufacturer Warranty |
More information #ad