Dorman 924-790 Ignition Lock Cylinder

Ignition Lock Cylinder Replacement

Restore smooth key operation with this Dorman ignition lock cylinder. Part number 924-790 is a direct replacement for worn or sticking cylinders, helping return the ignition to normal function while maintaining the original equipment security design.

Compatible With a wide range of classic Buick, Chevrolet, GMC, Jeep, Oldsmobile, Cadillac, and Pontiac applications, including 1978-1996 Buick Century, 1978-1993 Chevrolet Caprice, and 1978-1991 Buick LeSabre. This Dorman 924-790 ignition lock cylinder is built for vehicles that use a chrome retaining screw.

• Chrome finish for an OE-style appearance
• Steel housing and steel lock construction
• Direct replacement for worn ignition lock cylinders
• Maintains original equipment security design
• Includes 2 keys
• No harness required

Detailed Product Overview

Dorman 924-790 is engineered for drivers dealing with a key that is hard to turn, binds in the cylinder, or no longer operates the ignition reliably. It replaces the original ignition lock cylinder with a design that matches the factory security approach, making it a practical solution for older GM and Jeep vehicles. This part cross-references Standard Ignition US-107L for the same application.

Common Problems It Can Solve

• Key will not turn in the ignition
• Ignition cylinder feels worn, loose, or sticky
• Intermittent starting caused by a failing lock cylinder
• Original cylinder no longer matches normal key operation
• Replacement needed after wear on high-mileage vehicles

Installation Notes and Tips

Verify vehicle fitment by year, make, model, and the chrome retaining screw note before ordering. This ignition lock cylinder uses no harness and does not require wiring harness installation. For best results, compare the original cylinder style and retaining screw configuration before removal and replacement.

Quality Assurance

Dorman supplies direct replacement ignition components built to restore factory-style operation on supported vehicles. Part number 924-790 is made with steel lock and housing materials for dependable service in compatible Buick, Chevrolet, GMC, Jeep, Oldsmobile, Cadillac, and Pontiac applications.