Standard Ignition US-221L Ignition Lock Cylinder

Ignition Lock Cylinder for Buick Park Avenue

Standard Ignition US-221L is an ignition lock cylinder built for direct replacement in select Buick Park Avenue applications. It is coded as un-coded and includes instructions, making it a practical choice for service work on 1997-2005 Buick Park Avenue models without a transponder key.

Key Features

• Direct-fit ignition lock cylinder for column mounting
• Un-coded design for service replacement and rekeying workflows
• Instructions included for installation reference
• Solid brass tumblers for consistent key engagement
• Chrome plated brass keys and die-cast zinc lock core construction
• Built to match original equipment dimensions for precision installation

Detailed Description

Standard Ignition US-221L is engineered for the ignition system on 1997-2005 Buick Park Avenue vehicles without a transponder key. The lock cylinder is designed around original equipment dimensions to support accurate column installation and dependable operation. Standard Ignition US-221L also uses solid brass tumblers and a die-cast zinc lock core to address common wear points found in aging ignition components. This part cross-references AC Delco 4H1014 for the same application.

Common Issues This Part Can Address

• Worn ignition cylinder that no longer turns smoothly
• Key binding or inconsistent key engagement in the column lock
• Ignition switch failure caused by internal cylinder wear
• Replacement needs after a damaged or seized lock core
• Service repair on Buick Park Avenue ignition systems without a transponder key

Installation Notes and Tips

Fits 1997-2005 Buick Park Avenue, column. Confirm the vehicle does not use a transponder key before ordering. Instructions are included, but keys are not included, and mounting brackets are not included. Verify the existing ignition lock cylinder style and column configuration before installation to ensure proper fitment.

Quality Assurance

Standard Ignition applies long-running OE-focused engineering and technician-oriented development to its ignition components. US-221L is built with brass and zinc construction details selected for reliable service in primary ignition repair applications.