Coupler Latch Lock

  • Prevents Theft: Locks your coupler latch closed to deter theft and provide peace of mind when towing,
  • Strong Steel Build: Made from hardened steel alloy for maximum protection.
  • Smooth Key Action: Precision core provides reliable, easy operation.
  • Corrosion Resistant: Coated to withstand weather, salt, and dirt.
  • Universal Fit: Designed to fit most 1-7/8″, 2″ and 2-5/16″ trailer couplers.

Protect your trailer with the Fastway® Coupler Latch Lock, built from hardened steel and engineered for secure, smooth operation. The corrosion-resistant coating stands up to harsh conditions, while its precision key system ensures easy, reliable use. Designed to fit most standard couplers, this lock keeps your trailer firmly hitched when towing or parked. Strong, compact, and easy to use—the Coupler Latch Lock is an essential tool for confident towing.

$19.95
Find a Dealer
  • Prevents Theft & Unhitching: Locks the coupler latch closed, ensuring your trailer can’t be detached or moved without your permission.
  • Heavy-Duty Steel Construction: Resists cutting and prying, giving you unmatched security and peace of mind.
  • Corrosion-Resistant Coating: Designed to withstand rain, snow, and road grime while maintaining smooth operation.
  • Smooth Key Mechanism: Precision-fit lock core offers consistent, dependable performance through years of use.
  • Universal Compatibility: Fits most standard 1-7/8″, 2″ and 2-5/16″ trailer couplers, providing simple, reliable protection for nearly any trailer type.
  • Includes: 2 keys and a protective dust cover, keeping out water and debris.

Keep your trailer secure wherever your adventure takes you with the Fastway® Coupler Latch Lock. Engineered for strength, simplicity, and reliability, this compact lock prevents the coupler latch from opening—protecting your trailer from theft or accidental unhitching. Built from hardened steel and finished with a durable, corrosion-resistant coating, it stands up to rain, dirt, and road salt for years of dependable use. The precision key core ensures smooth, consistent locking every time, while its universal fit makes it compatible with most standard trailer couplers. Whether you’re towing cross-country or parking at home, the Fastway® Coupler Latch Lock gives you confidence that your trailer will stay right where you left it.