Universal Coupler Lock

Gorilla Guard Coupler Lock - 2" from FULTON PERFORMANCE
Fits over the ball opening in your trailer coupler so thieves can’t attach it to a tow vehicle. Sturdier than small hitch locks that secure the coupler’s locking mechanism. Three sizes available to fit 1 7/8", 2" or 2 5/8" couplers .
$41.99

Coupler Lock, Barbell Receiver Lock and Adjustable Coupler Lock Package from MASTER LOCK
Package includes a Coupler Lock, Barbell Receiver Lock (5/8" and 1/2") and an Adjustable Coupler Latch Lock all keyed alike, in a handy storage case. The Coupler Lock is die cast zinc, universal design and fits most 1 7/8" & 2" couplers. The Receiver Lock is a universal design that fits both 5/8" and 1/2" receivers.
$59.99

Gorilla Guard Coupler Lock - 2 5/16" from FULTON PERFORMANCE
Fits over the ball opening in your trailer coupler so thieves can’t attach it to a tow vehicle. Sturdier than small hitch locks that secure the coupler’s locking mechanism. Three sizes available to fit 1 7/8", 2" or 2 5/8" couplers .
$41.99

Brass Trailer Coupler Lock from MASTER LOCK
2" (51mm) Solid Brass Trailer Hitch Coupler Lock Solid brass body . Case hardened steel shackle . Lock design protects shackle from cutting and sawing . Precision pin tumbler mechanism resists picking .
$9.79

Lock and Adjustable Coupler Latch Lock Package from MASTER LOCK
Get maximum protection for your unattended trailer with this Receiver Lock and Adjustable Coupler Latch Lock Package. Both locks are pick resistant and resist rust, corrosion and clogging. Receiver Lock is a bent pin lock that fits 5/8" and 1/2" receivers. It's hardened steel shackle offers a maximum cut resistance.
$24.99

Pin-Coupler Latch from MASTER LOCK
Trailer coupler pivot lock latch safety pin. 9/32" diameter, pin has attachment ring on the end of a 6" cable. Chrome plated finish resists corrosion. Use ring to attach cable to coupler. Slide coupler latch pin through coupler hole. Pivot until perpendicular with coupler latch and slide into locked position.
$3.99

Stainless Steel Pivot Lock Hitch Pin for 5/8" Receiver from MASTER LOCK
Easy to install and take off because they rotate and lock in both directions.
$8.99

Trailer Hitch Lock - Nickel Plated from MASTER LOCK
Prevent trailer tow-away theft with these premium corrosion-resistant locks. They resist picking and prying and are easy to install and remove. The lock is located on the front for easy accessibility.
$32.99

Armorlock Coupler Handle Lock from MASTER LOCK
Locks the coupler handle and prevents theft of hitched or unhitched trailer. Shackle guard shields it from hacksaws and bolt cutters.
$17.99

Trailer Hitch Lock - Powdercoated from MASTER LOCK
Prevent trailer tow-away theft with these premium corrosion-resistant locks. They resist picking and prying and are easy to install and remove. The lock is located on the front for easy accessibility.
$38.99

Chrome-Plated Steel Pivot Lock Hitch Pin for 1/2" Receiver from MASTER LOCK
Easy to install and take off because they rotate and lock in both directions.
$4.49