Coupler Locks

This coupler lock features a compact design to keep the pin well protected from tampering. It comes with a brass finish and offers a 1/4" pin to fit a max span of 3/4". All CURT coupler locks are made to fit latch-type couplers and include two keys. Protect your boat, your camper and even your utility trailer the right way with a CURT coupler lock.

CURT coupler locks are designed to add security to your trailer and towing equipment. 

This coupler lock features a right-angle barbell design to keep the pin well protected from tampering. It comes with a chrome finish with blue anodized aluminum and offers an adjustable pin span from 1" to 3" with a pin diameter of 1/4". 

This coupler lock features a padlock design to keep the pin well protected from tampering. It comes with a black finish and offers a pin span of 3/4" with a pin diameter of 1/4". 

Prevent trailer theft with this durable steel, butterfly-style coupler lock. Corrosion-resistant chrome plating will make this item last a lifetime. Used with most ball couplers that have trigger release style latches. 

Draw-Tite 63227 Gorilla Guard Trailer Coupler Lock - 2-5/16 in.

Trailer hitch receiver lock used with 2-inch receiver - 5/8 in. pin diameter. Bent pin style.