Top Trailer Coupler Locks

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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CURT 25128 Straight Tongue Trailer Coupler for 2-Inch Channel 1-7/8-In Hitch Ball 2,000 lbs

  • PRECISE FIT. This trailer coupler is designed to mount onto a 2-inch wide trailer tongue beam and couple to any standard 1-7/8-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 1 trailer coupler and has a capacity of 2,000 lbs. gross trailer weight and 200 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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2\ Straight Trailer Coupler, 2\ Channel - 3500 lb Class II - for Towing RV, Boat, Camper(3500LBS 2\X2\)

  • PRECISE FIT. This trailer coupler is designed to mount onto a 2-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 25153 Straight Tongue Trailer Coupler for 2-Inch Channel 2-in Hitch Ball 3,500 lbs CLEAR ZINC

  • PRECISE FIT. This trailer coupler is designed to mount onto a 2-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 25135 Straight Tongue Trailer Coupler for 2-1/2-Inch Channel, 2-In Hitch Ball, 3,500 lbs, CLEAR ZINC

  • PRECISE FIT. This trailer coupler is designed to mount onto a 2-1/2-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 25138 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 3,500 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.
  • SECURE COUPLING. The sleeve-lock latch mechanism of this trailer tongue coupler fully encompasses the trailer ball when coupled, providing maximum security and safety for towing.
  • ENHANCED SECURITY. The sleeve-lock latch accepts a safety pin or coupler lock that passes completely through the neck of the coupler, ensuring maximum security for heavy-duty loads.
  • HIGH-STRENGTH. Constructed from high-strength steel with a solid steel neck, this trailer ball coupler is rated as a class 4 trailer coupler and has a capacity of 12,500 lbs. gross trailer weight and 1,875 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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Straight Trailer Coupler 2\ Ball 2\ Channel Width 3500 LBSTrailer Tongue Coupler

  • 2-5/16" Ball Trailer Coupler Max.trailer tongue weight:2,100LBS.
  • A-Frame Trailer Coupler Max.gross trailer weight:14,000LBS.
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