Match the part number, measurements and connection points that apply to your trailer.
| Connection | Confirm ball or lunette size. |
|---|---|
| Mount | Verify tongue, channel and mounting pattern. |
| Capacity | Meet or exceed the required rating. |
Heavy-duty trailer coupler lock designed to fit Bulldog-style couplers and similarconfigurations. Provides theft deterrence whether the trailer is attached to atow vehicle or parked and detached.
Coupler locks are designed to block access to the latch mechanism, preventing unauthorized hitching. Proper fit depends on coupler profile and opening dimensions.
This model fits most 2" and 2-5/16" Bulldog-style couplers. It does not fit Fulton-style couplers.
| Specification | Detail |
| Overall Height | 5.0 in |
| Inner Width (Front Opening) | 2.53 in |
| Inner Depth (Side Opening) | 3.45 in |
| Side Thickness | 1.0 in |
| Padlock Hole Diameter | 0.47 in |
Verify specifications before installation.
