Universal Trailer Coupler Lock (Ballistic Nylon)

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Quick Facts:

  • Prevents trailer ball from being inserted into the coupler
  • Universal design fits most couplers
  • Built with hardened steel and ballistic grade nylon components
  • Dual-ratchet locking system offers lasting operation
  • Includes two keys for added convenience
  • Limited lifetime warranty (one-year finish, one-year parts)
  • Built with hardened steel and ballistic grade nylon components
  • CURT part number: 23179

Sometimes a safety pin and coupler latch are just not enough to keep your toys safe. While CURT safety pins and coupler latches are made to keep your coupler securely latched onto your trailer ball, they are no substitute for the locking power provided by a CURT trailer lock. CURT trailer locks are designed to add security to your trailer and towing equipment. Instead of merely retaining the coupler latch mechanism, CURT trailer coupler locks are actually designed to protect your trailer from theft when it is not hitched up to your vehicle. This trailer lock features solid, hardened steel hardware and a ballistic-grade nylon body for a lasting strength and resistance to the elements. The dual-ratcheting locking system easily secures your trailer by inserting into the coupler and taking the place of a trailer ball. This CURT trailer lock is key-operated and features a universal fit to accommodate a variety of couplers. All CURT trailer locks include two keys in every package. Protect your boat, your camper and even your utility trailer the right way with a CURT coupler lock.


  • DEPENDABLE SECURITY. To help protect your trailer from theft, this trailer lock is made from ballistic-grade nylon and features a dual-ratcheting locking system. It is designed to prevent a trailer ball from being inserted into the trailer coupler
  • EASY TO OPERATE. This 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
  • VERSATILE. With a universal design, this trailer coupler lock fits most trailer tongues
  • WATERTIGHT. The internal components of this trailer tongue 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 hammer-tone epoxy finish
  • TWO KEYS INCLUDED. For your convenience, two 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

Warning: Cancer and reproductive harm. www.P65Warnings.ca.gov.
More Information
SKU 2020102974
Brand Curtâ„¢
Country of Origin China
Quantity In Package 1
Material Type Solid Hardened Steel
Sales Unit of Measure EA
UPC 612314010790
Manufacturer Reference Number 23179

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