FEXON Ignition Lock Cylinder Replacement for GM Vehicles with 2 Keys — Direct-Fit Passlock

FEXON's Switch Ignition Lock Cylinder with two keys is a direct-fit replacement ignition switch and lock cylinder assembly designed to restore starting reliability for compatible GM vehicles.

If your vehicle shows symptoms like a loose key, intermittent starting, or a key that won't turn, this replacement assembly from FEXON combines an ignition switch with a pass-lock chip, a lock cylinder, and two new keys to return your ignition to factory-style operation. Built as an aftermarket unit to meet OEM specifications, it fits a range of Chevrolet, Oldsmobile, and Pontiac models and replaces OE numbers including 12458191 and 22599340.

How will this FEXON ignition lock cylinder fix starting problems?

The assembly replaces both the mechanical lock cylinder and the ignition switch electronics, addressing worn tumblers and faulty electrical contacts that can cause intermittent starts or sudden loss of power. Installing the unit restores reliable key engagement and signal continuity to the starter circuit.

• Includes ignition switch with built-in pass-lock chip to match vehicle security systems
• Two new keys eliminate issues from worn or bent originals
• Replaces common failing OE part numbers to resolve compatibility-related faults

Which vehicles and OE part numbers does this replace?

This FEXON replacement fits many late-1990s and early-2000s GM sedans and coupes. It’s engineered to replace multiple OE reference numbers so you can match it against your existing part for a confident swap.

• Compatible models: Chevy Classic (2004–2005), Impala (2000–2005), Malibu (1997–2003), Monte Carlo (2000–2005)
• Also fits: Oldsmobile Alero (1999–2004), Cutlass (1997–1999), Intrigue (1998–2002), Pontiac Grand Am (1995–2005)
• Replaces OE numbers such as 12458191, 22599340, 22670487 and related references

How difficult is installation and what’s included in the package?

Installation is straightforward for technicians or experienced DIYers familiar with steering column disassembly. The assembly is made as a direct replacement to follow OEM mounting points and wiring, minimizing modification.

• Package includes: 1 lock cylinder, 1 ignition switch with pass-lock chip, and 2 keys
• Direct-fit design reduces labor time compared with custom or generic replacements
• Wiring and physical connectors match factory locations for plug-and-play replacement

What quality standards and assurances does FEXON provide?

This ignition starter switch lock cylinder is 100% brand-new aftermarket equipment produced to meet or exceed OEM specifications. It offers a cost-effective alternative to dealer parts while focusing on fit, function, and material quality.

• Manufactured to match OEM dimensions and electrical requirements
• Backed by quality control to ensure consistent performance out of the box
• Supplies a factory-style solution at a lower price point than many original parts

Who is this for: This FEXON Switch Ignition Lock Cylinder with 2 Keys is intended for owners and repair shops working on compatible Chevrolet, Oldsmobile, and Pontiac models who need a reliable, direct-replacement ignition assembly. It’s ideal when the original cylinder shows wear, the key won’t turn smoothly, or intermittent starting and electrical faults trace back to the ignition switch. If you want a complete, ready-to-install unit with matching keys and a pass-lock chip, this kit offers a practical, OEM-style solution.