23209427 GM Key blank

What is this part?

The GM key blank 23209427 is a genuine OEM accessory designed to be cut and programmed for vehicle access and ignition.

What does it do?

This OEM key blank serves as an uncut key that can be machined to match the vehicle's lock and, where applicable, programmed to the immobilizer system. It provides the physical and electronic foundation for a functioning vehicle key. A genuine GM key blank is manufactured to factory specifications, ensuring correct profile, material quality, and compatibility with transponders or remote systems (if equipped). Proper key blank selection is essential for reliable locking and ignition operation.

When to replace

The GM key blank 23209427 is used when a new key is required due to loss, damage, wear, or the need for an additional spare. Worn or damaged keys may cause poor lock operation or starting issues. Using a genuine OEM key blank ensures proper fit and durability.

Compatibility

The genuine GM key blank 23209427 is compatible with selected GM vehicles. This OEM component is engineered for precise matching with the vehicle's lock and immobilizer system. Compatibility may vary depending on key profile, transponder type, remote function, and model year. Please verify the part number 23209427 before purchase.

Installation: DIY or service?

Cutting and programming of this genuine OEM GM key blank 23209427 must be performed by a qualified locksmith or authorized service center to ensure proper operation with the vehicle's security system.