Strattec Keys Ignition Lock Key

Why Strattec Is the Source for Ignition Lock Keys

When it comes to ignition lock keys, few names carry the authority of Strattec Security Corporation. Headquartered in Milwaukee, Wisconsin, Strattec has been a core player in the automotive security supply chain since 1946, designing and manufacturing the very ignition lock systems that major automakers — including General Motors, Ford, and Stellantis — install on the assembly line. That OEM heritage is what sets Strattec's ignition lock keys apart: these are not generic blanks engineered to a specification someone else wrote. They are built by the company that wrote it.

OE-Licensed Quality, Straight to the Aftermarket

Strattec's aftermarket division delivers what the brand calls OE-licensed products — meaning the ignition lock keys you receive are engineered and manufactured to the same standards as original equipment, not simply reverse-engineered copies. This distinction matters enormously at the ignition cylinder, where precise tumbler engagement, accurate key-cut profiles, and correct transponder integration are non-negotiable for reliable starting and theft deterrence.

The ignition lock key lineup covers a broad range of domestic platforms:

• GM vehicles — including Chevy Silverado, Tahoe, Suburban, GMC Sierra, Yukon, and Cadillac Escalade, with options spanning older VATS (Vehicle Anti-Theft System) keys, PK3 Circle Plus transponder keys, and 2-track high-security cut profiles for late-model trucks.
• Ford vehicles — including 8-cut standard keys and transponder keys featuring 80-bit chip technology for 2011 and newer model years, plus logo-branded blades for OEM-style appearance.
• Chrysler / MOPAR vehicles — with ignition lock service packages that include matched tumblers and springs for coded replacements.

Transponder Technology Built In

Many Strattec ignition lock keys incorporate RFID transponder chips embedded directly in the key head. These chips communicate with the vehicle's engine control unit to verify authenticity before allowing the engine to start — a critical anti-theft function. Without a correctly matched, properly programmed transponder, a vehicle will either fail to start or enter theft-deterrent mode. Because Strattec manufactures both the key and the lock cylinder, the mechanical and electronic interfaces are designed to work together from the ground up.

A Heritage of Over 110 Years

The Strattec aftermarket heritage stretches back more than 110 years, formerly rooted in Briggs and Stratton before becoming its own dedicated security company. That depth of lock-craft knowledge means Strattec ignition lock keys are trusted not just by everyday car owners, but by professional automotive locksmiths — the specialists called in for the most demanding key-and-lock service jobs. When coverage, fit, and security integration all matter, Strattec's ignition lock keys are the professional's choice.