Trailer Coupler Locks   x   >  

Keep your trailer safe from towaway theft with this universal coupler lock. Its tough frame fits in and around most 1-7/8", 2", and 2-5/16" ball couplers; and it has a bright red color and heavy-duty construction to deter theft.

Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow. Order multiple locks keyed alike.

This cast iron lock deters theft of your unhitched trailer by blocking your underslung coupler's ball socket and the surrounding flat lip. Rotating-disc-tumbler lock is bump-proof. Coupler lip cannot exceed 4-5/8" wide x 2-1/2" thick.

Nickel-plated die-cast zinc trailer coupler lock guards against trailer towaway theft. Fits most 1-7/8", 2", and 2-5/16" ball diameters.

Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a Bulldog Collar-Lok coupler. Includes stainless steel padlock.

Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow.

Use this sturdy, rustproof aluminum coupler lock with high-visibility yellow color to help prevent trailer towaway theft. Fits trigger-style, 2" and 2-5/16" ball couplers with flat lips.

Can be keyed alike with other Blaylock push-button locks. Sturdy, rustproof lock discourages towaway trailer theft by covering your coupler's ball opening and fully surrounding the lip. Fits 2-5/16" ball couplers with flat or rolled lips.

Combo pack offers theft protection for your trailer with the butterfly-style coupler lock and secures a ball mount or hitch accessory with the receiver lock. Chrome-plated steel resists rust. Ball-bearing locking mechanisms provide extra security.

Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a Bulldog Collar-Lok coupler. Padlock sold separately.

Trailer Coupler lock for lever style coupler requiring 3-3/8" span - typically seen on hydraulic actuators.

Kit includes a sturdy aluminum coupler lock to prevent towaway theft, an adjustable 1/4" diameter latch lock to ensure that your trailer won't be unhooked from the coupler, and a trailer hitch receiver lock that fits 2" hitches.

Can be keyed alike with other Blaylock push-button locks. Sturdy, rustproof aluminum lock discourages towaway trailer theft by fully enclosing your Bulldog Collar-Lok coupler that fits 2-5/16" hitch balls.

Guard against trailer theft with this durable steel, butterfly-style coupler lock. Works with most ball couplers that have trigger-style latches. Chrome plating resists corrosion, and the unique ball-bearing locking mechanism provides extra security.

Can be keyed alike with other Blaylock push-button locks. Sturdy, rustproof aluminum lock discourages towaway trailer theft by fully enclosing your Bulldog Collar-Lok coupler that fits 2" hitch balls.

Guard against trailer towaway theft with this universal-fit coupler lock. Durable steel frame fits around 1-7/8", 2" and 2-5/16" ball couplers, providing both a visible and mechanical theft deterrent.

Lock secures most latch-style trailer couplers. Rubber-encased pin tumbler cylinder adjusts incrementally - from 9/16" to 2-3/4" - along notched, 1/4" diameter stainless steel shank.