Standard Ignition US-535L Ignition Lock Cylinder

Ignition Lock Cylinder for GM Trucks and SUVs

Standard Ignition US-535L is a direct-fit ignition lock cylinder for select Chevrolet, GMC, and Isuzu applications with a thumbwheel-style setup. It is built to replace a damaged OE cylinder and restore proper key operation and engine start function.

With coded keying, OE-style engineering, and tested fit, form, and function, this ignition lock cylinder supports reliable service on vehicles such as the Chevrolet Silverado, GMC Sierra, and Chevrolet Blazer.

Key Features

• Direct-fit ignition lock cylinder replacement
• Coded cylinder for keyed security
• Includes keys and instructions
• Mounts in the steering column
• Engineered to OE specifications
• 100% tested for fit, form, and function

Detailed Product Overview

Standard Ignition US-535L is designed for drivers and technicians replacing a worn, sticking, or damaged ignition lock cylinder on compatible GM trucks and SUVs. The coded design helps ensure the cylinder accepts only the correct key profile, while the direct-fit construction supports a straightforward OE-style repair. This part cross-references Dorman OE Solutions 924-723 for the same application.

Compatible With 1998-2002 Chevrolet S10, 1999-2002 Chevrolet Blazer, 1999-2002 Chevrolet Silverado 1500, 1999-2002 Chevrolet Silverado 2500, 2001-2002 Chevrolet Silverado 2500 HD, 2001-2002 Chevrolet Silverado 3500, 2001-2002 GMC Sierra 1500, 2001-2002 GMC Sierra 2500, 2001-2002 GMC Sierra 2500 HD, 2001-2002 GMC Sierra 3500, 2001-2002 GMC Sonoma, 2000-2001 GMC Jimmy, and 1998-2000 Isuzu Hombre with thumbwheel applications as listed.

Common Problems This Part Can Address

• Key will not turn smoothly in the ignition
• Damaged or worn ignition cylinder components
• Loss of proper key-to-cylinder matching
• Intermittent start issues caused by cylinder wear
• Need for an OE-style replacement during anti-theft system repair

Installation Notes and Tips

US-535L mounts in the column and includes instructions for service. Verify thumbwheel configuration and vehicle-specific notes before installation, especially on GMC Sonoma and other listed applications with anti-theft system repair guidance. Confirm the existing ignition setup matches the catalog fitment for your Chevrolet Silverado, GMC Sierra, or Chevrolet Blazer before beginning the repair.

Quality Assurance

Standard Ignition manufactures this ignition lock cylinder using high-grade materials and validates it for proper fit, form, and function. The part is built to OE specifications for consistent service performance on the listed GM applications.