Standard Ignition US-61LB Ignition Lock Cylinder

Ignition Lock Cylinder for Classic GM Applications

The Standard Ignition US-61LB ignition lock cylinder is a coded replacement built for column-mounted ignition systems on a wide range of Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac vehicles. It is designed for direct-fit service where the original lock cylinder has worn, stuck, or no longer turns smoothly.

Key Features

• Coded ignition lock cylinder for precise key operation
• Solid brass tumblers and die-cast zinc lock core construction
• Chrome-plated brass key included
• Instructions included for service installation
• Column-mounted design for listed applications
• Black finish for OE-style appearance

Product Details

Standard Ignition US-61LB is engineered to match original lock dimensions for accurate installation and dependable operation. The internal design uses solid brass tumblers and a die-cast zinc core to support consistent key engagement, while the coded configuration helps maintain proper lock-to-key matching. This part number, US-61LB, is backed by Standard Ignition’s long-running focus on ignition service parts for technician-level repair work. This part cross-references Dorman - OE Solutions 924-790 and Cardone Reman 53-2080 for the same application.

Vehicle Fitment

• Fits 1991-1996 Chevrolet Caprice, N/A; w/ Single Key Entry; Black Finish
• Fits 1990-1995 GMC G1500, N/A; w/ Single Key Entry; Black Finish
• Fits 1987-1995 GMC G2500, N/A; w/ Single Key Entry; Black Finish
• Fits 1987-1995 GMC G3500, N/A; w/ Single Key Entry; Black Finish
• Fits 1992 GMC C1500, N/A; w/ Single Key Entry; Black Finish
• Fits 1992 GMC C2500, N/A; w/ Single Key Entry; Black Finish
• Fits 1992 GMC C3500, N/A; w/ Single Key Entry; Black Finish
• Fits 1992 GMC K1500, N/A; w/ Single Key Entry; Black Finish
• Fits 1992 GMC K2500, N/A; w/ Single Key Entry; Black Finish
• Fits 1992 GMC K3500, N/A; w/ Single Key Entry; Black Finish
• Fits 1986-1989 Chevrolet G10, N/A; w/o Single Key System; Black Finish
• Fits 1986-1989 Chevrolet G20, N/A; w/o Single Key System; Black Finish
• Fits 1986-1989 Chevrolet G30, N/A; w/o Single Key System; Black Finish
• Fits 1978-1983 Chevrolet Malibu, N/A; Police Package; Black Finish
• Fits 1978-1982 Chevrolet Impala, N/A; Police Package; Black Finish
• Fits 1975-1979 Buick Century, N/A; Ignition Lock Cylinder without retaining screw and black finish
• Fits 1970-1978 Oldsmobile Delta 88, N/A; Black finish ignition lock cylinder.
• Fits 1969-1977 Chevrolet Camaro, N/A; Black finish ignition lock cylinder.
• Fits 1969-1977 Chevrolet Corvette, N/A; Black finish ignition lock cylinder.
• Fits 1970-1977 Pontiac Firebird, N/A; Black finish ignition lock cylinder.

Common Repair Uses

• Replacing a worn ignition cylinder that no longer turns reliably
• Restoring proper key engagement after lock-core wear
• Repairing a damaged or sticking column ignition lock
• Addressing key mismatch issues on coded ignition systems
• Refreshing a black-finish OE-style ignition lock assembly

Installation Notes

Verify column-mounted fitment, keying style, and application notes before installation. Some vehicles require a single-key entry setup, while others are listed without a single-key system or without a retaining screw. Instructions are included, and the lock cylinder is intended for direct replacement in the specified applications. Confirm the original lock style against the vehicle listing before service.

Quality Assurance

Standard Ignition builds this lock cylinder with solid brass tumblers, chrome-plated brass keys, and a die-cast zinc core to support consistent operation and precision fit. The US-61LB reflects the brand’s focus on solving common original-equipment lock failure issues with a service-ready replacement part.