FEXON Ignition Lock Cylinder with 2 Keys for GM vehicles — Replaces 12458191, Passlock Chip

The FEXON Switch Ignition Lock Cylinder with 2 Keys is a direct-fit replacement ignition switch assembly that restores starting and steering lock function for compatible GM vehicles.

If your vehicle won’t start reliably, the key tumbler feels loose, or the ignition won’t turn smoothly, a worn ignition lock cylinder or starter switch is often the cause. This FEXON assembly combines a keyed lock cylinder, ignition starter switch with pass-lock chip, and two matched keys so you can replace the faulty unit with one that meets OEM fit and function. It ships as a complete kit that matches common GM OE part numbers to simplify ordering and installation.

Which vehicles and OE part numbers does this replace?

This replacement is designed to fit many GM models from the mid-1990s to mid-2000s and replaces several factory numbers for accurate cross-reference. Confirm compatibility with your year and model before purchase.

• Compatible models: 2004–2005 Chevy Classic, 2000–2005 Chevy Impala, 1997–2003 Chevy Malibu.
• Also fits: 2000–2005 Chevy Monte Carlo, 1999–2004 Olds Alero, 1997–1999 Olds Cutlass.
• Fits additional GM cars: 1998–2002 Olds Intrigue and 1995–2005 Pontiac Grand Am.
• Replaces OE numbers: 12458191, 1S6470, 22599340, 22670487, 924701, D1432D, 10109.

How is the kit packaged and what parts are included?

The product ships as a ready-to-install kit with the ignition lock cylinder and the necessary electrical switch components. Two new keys are included and pre-matched so you don’t need to reuse old keys or rekey separately.

• Included: 1 lock cylinder, 1 ignition switch with pass-lock chip, and 2 keys.
• Keys arrive matched to the cylinder for immediate use after installation.
• No additional tumblers or separate key cutting required in most cases.
• Packaged to protect electrical contacts and mechanical parts during shipping.

Is installation difficult and does it match OEM quality?

FEXON’s ignition assembly is engineered as a direct-fit aftermarket replacement designed to meet or exceed OEM form and function. Basic mechanical and electrical familiarity is helpful; professional installation is recommended if you’re not comfortable working around steering column wiring.

• Direct replacement: engineered for proper alignment and mounting points.
• Quality: built to meet OEM specifications using durable materials.
• Installation: generally straightforward for experienced DIYers; may require steering column access and connector matching.
• Recommendation: verify vehicle compatibility and consult a repair manual for step-by-step guidance.

Who is this for: The FEXON Switch Ignition Lock Cylinder with 2 Keys is intended for owners and mechanics restoring reliable starting and steering-lock operation on compatible Chevy, Oldsmobile, and Pontiac models. It’s suitable for drivers replacing a worn, damaged, or loose ignition cylinder, for repair shops needing an economical aftermarket alternative, and for anyone who wants a complete keyed kit that replaces multiple OE part numbers without rekeying. Before ordering, confirm the listed OE numbers and vehicle model years match your car to ensure fitment.