BOLT 7025283 Trailer Coupler Pin Lock One-Key Technology GM Early Model Keys

The BOLT 7025283 Coupler Pin Lock is a heavy-duty trailer security lock engineered by Strattec Security — the world's largest OEM automotive lock manufacturer. Designed to prevent unauthorized trailer theft, this pin-style coupler lock works directly with your existing vehicle ignition key, eliminating the need to carry a separate key for your trailer.

Using BOLT's patented Breakthrough One-Key Lock Technology, simply insert your ignition key, turn it once, and the lock permanently and mechanically learns your unique key code. The lock cannot be reset, ensuring a one-time, permanent key pairing for maximum security.

Key Features:

• Compatible with early model GM double-cut keys (Chevrolet, GMC, Hummer, Buick, Cadillac, Oldsmobile, Pontiac)
• Fits trailer couplers from 1/2 in. to 3-3/8 in. wide — virtually any standard coupler size
• Adjustable in 1/8 in. increments along the stainless steel pin for a precise, snug fit
• No exposed shackle design deters cutting and tampering attempts
• Plate tumbler sidebar cylinder prevents lock picking and bumping
• Stainless steel lock shutter seals out dirt and moisture for all-weather use
• Pin diameter: 0.269 in. | Color: Black/Silver
• Sold individually
• Backed by a limited lifetime warranty

Built with automotive-grade materials and construction, the BOLT 7025283 coupler pin lock delivers the same corrosion resistance and tamper resistance found in OEM vehicle locks — giving trailer owners a convenient, reliable, and highly secure towing solution.