Top Trailer Coupler Locks Reviews

Master Lock - 5 Trailer Locks Keyed Alike #5KA-37940-37

  • Total Trailer Security Keyed Alike - One key opens all five locks. Each lock comes with two keys, for a total of ten keys..
  • Multiple 5KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same..
  • Round padlocks 2-3/4" (70mm) wide laminated stainless steel body resists corrosion..
  • Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (model 37KABLK) applications. For 2-5/16 couplers the better lock set is: Master Lock - 5 Trailer Locks Keyed Alike 5KA-37940-3.
  • Coupler lock fits 1-7/8", 2" & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit..
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Proven Industries Model 2516 Trailer Lock, Fits 2 5/16-Inch Couplers, Secures Safety Chains, Made in The USA, (Black)

  • HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure..
  • TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock..
  • UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key..
  • CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will only mount on very specific 2 5/16-inch couplers. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler..
  • PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully rese....
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CZC AUTO Shaft Locking Pin 10 Pieces Trailer Coupler Pin, Dia 1/4 Inch Safety Coupler Pin for Farm Lawn Garden Wagons Trailer Hitches Couplers Towing, Square and Arch, Heavy Duty

  • Trailer Locks Set: you can get 4 pieces trailer locks.
  • Each lock is equipped with 2 keys, the sufficient quantity can meet your use needs, you can also share them with friends.
  • Note: to prevent theft, each lock can only be opened by 2 matching keys.
  • Strong and Wear Resistant: the trailer hitch locks are made of quality zinc alloy, which is strong and wear resistant and will not break easily.
  • Their exterior is painted, which can effectively prevent corrosion and fading, and you can use them for a long time.
  • Convenient to Use: the hitch lock has a padlock design that effectively prevents theft.
  • They are small and easy to carry, you can put the trailer hitch lock in your pocket, vehicle, and anywhere you want to store it.
  • Equipped with Multiple Keys: for your convenience, 2 keys are included with this trailer tongue lock.
  • You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.
  • Wide Application: the trailer coupler lock provides additional security for your truck, boat or trailer by securing the coupler on your trailer tongue, also secures trailer door, cargo boxes and other types of doors.
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Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Secures Safety Chains, Made in The USA, (Black)

  • HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2-inch trailer couplers to help keep your trailer secure..
  • TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock..
  • UNIQUE KEY DESIGN: Our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key..
  • CUSTOM TRAILER-COUPLER LOCK: Our patented lock design will allow you to secure most standard S-hook style safety chains in lock. This custom-tailored lock will only mount on specific 2-inch couplers. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler..
  • PROVEN INDUSTRIES: We are dedicated to providing....
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Master Lock - 6 Trailer Locks Keyed Alike #6KA-3796230-37

  • Total trailer security Keyed Alike - One key opens all six locks. Each lock comes with two keys, for a total of twelve keys..
  • Multiple 6KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same. See RECEIVER LOCK options in the description below..
  • Latch lock doesn't fit some 2-5/16" couplers. 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-3796230-3..
  • Three (3) high security 6230KA padlocks featuring a 5-pin cylinder and boron alloy hardened shackle. Please see images for padlock dimensions..
  • Coupler lock fits 1-7/8", 2", & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit..
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Transformers: The Last Knight

  • Demco's exclusive coupler design locks when dropped onto the hitch ball.
  • 2-5/16 inch coupler - 21,000 lb gross trailer weight rating - Fits 3 inch wide channel.
  • Read product description below for more information.
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Master Lock - 6 Trailer Locks Keyed Alike 6KA-37937-3

  • Total trailer security Keyed Alike - One key opens all six locks.Keyed Alike - One key opens all six locks..
  • Each lock comes with two keys, for a total of twelve keys..
  • Latch Lock - The #3 padlock will work on 2-5/16 couplers and the smaller 1-7/8 and 2"..
  • Total Trailer Security. Simple installation and removal..
  • Coupler lock fits 1-7/8", 2" & 2-5/16" couplers..
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Master Lock - 6 Trailer Locks Keyed Alike 6KA-37937-37

  • In Stock with a delivery time of 1 to 5 business days. Total trailer security Keyed Alike - One key opens all six locks..
  • Multiple 6KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same..
  • Latch lock doesn't fit some 2-5/16" couplers. 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.
  • Each lock comes with two keys, for a total of twelve keys..
  • Coupler lock fits 1-7/8", 2" & 2-5/16" couplers..
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Funmit Trailer Lock Universal Coupler Ball Lock Fits 1-7/8 2 and 2-5/16 Couplers Boat Camper Accessories for Travel Trailers Adjustable Heavy-Duty Steel Hitch Lock Yellow

  • ✅FIT: Funmit trailer coupler lock are designed to fit snugly in 1-7/8”, 2”, 2-5/16” couplers and ratchet is adjustable with 11 locking positions. Each ratchet is tightly engaged with the lock body, it will never be pulled open by brute force like other coupler locks!.
  • ✅HIGH QUALITY: The u-shape trailer lock is made of heavy-duty solid /rigid A36 Steel and aluminum alloy,it's durable, rustproof and weatherproof. Passed QC product quality certification.
  • ✅SAFETY: The trailer hitch lock is made of high-quality materials and combines with the last anti-theft technology to ensuresafety,and the U-shape lock can resist picking, prying and drilling.
  • ✅CONVENIENT: It is easy and quick for you to install and remove,and bright yellow color can provide high visibility.
  • ✅WARRANTY 100%: The replacement trailer locks come with a 90 day manufacturer limited warranty back by Funmit, you can feel a 100% confident buy and enjoy a 24 hours pro tech online help any time.
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Demco 12662-97 2-5/16" Primed Weld-on EZ-Latch Coupler

  • Demco's exclusive coupler design locks when dropped onto the hitch ball.
  • 2-5/16 inch coupler - 21,000 lb gross trailer weight rating - Fits 3 inch wide channel.
  • Read product description below for more information.
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bROK Products 32973 Coupler 2\ Ball, 3\ Channel - 3500 lb.

  • PRECISE FIT. This trailer coupler is designed to mount onto a 3-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball.
  • EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
  • SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 2 trailer coupler and has a capacity of 3,500 lbs. gross trailer weight and 500 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.
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CURT 25217 Black A-Frame Trailer Coupler, 2-Inch Hitch Ball, 7,000 lbs

  • PRECISE FIT. This trailer coupler is designed to mount onto an A-frame trailer tongue and couple to any standard 2-5/16-inch diameter trailer ball.
  • EASY OPERATION. Equipped with an easy-lock latch mechanism, this trailer hitch coupler is quick and simple to operate and offers a snug fit on the trailer ball.
  • SECURE COUPLING. The easy-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 4 trailer coupler and has a capacity of 10,000 lbs. gross trailer weight and 1,500 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this A-frame tongue trailer coupler is finished in a durable black powder coat and makes a great boat trailer coupler.
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CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs

  • PRECISE FIT. This trailer coupler is designed to mount onto a 3-inch wide trailer tongue beam and couple to any standard 2-inch diameter trailer ball.
  • EASILY ADJUSTABLE. Equipped with a posi-lock spring and adjustable nut on the inside, this trailer hitch coupler can easily be adjusted to ensure a snug fit on the trailer ball.
  • SECURE COUPLING. The posi-lock latch mechanism of this trailer tongue coupler accepts a safety pin or coupler lock for enhanced security.
  • HIGH-STRENGTH. Constructed from punched, die-cut steel, this trailer ball coupler is rated as a class 3 trailer coupler and has a capacity of 5,000 lbs. gross trailer weight and 700 lbs. tongue weight.
  • CORROSION-RESISTANT. To easily outlast the elements, including rain, snow, dirt, road grime and more, this straight tongue trailer coupler is finished in a durable zinc plating and makes a great boat trailer coupler.
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