Standard Ignition US-226LK Ignition Lock Cylinder

Ignition Lock Cylinder for GM Trucks and SUVs

The Standard Ignition US-226LK ignition lock cylinder is a coded replacement built for column-mounted applications on select Chevrolet, GMC, and Cadillac vehicles. It is engineered for precise installation and consistent key operation, making it a direct service part for worn or failing ignition locks.

Designed for 1998-2000 Chevrolet C1500, K1500, C2500, C3500, K2500, and K3500 models, plus 1998-2000 GMC C1500, K1500, C2500, C3500, K2500, and K3500 trucks, this ignition lock cylinder also fits 1998 Chevrolet Blazer and 1998 GMC Jimmy applications. It is also listed for 1999-2000 Cadillac Escalade, 1999-2000 Chevrolet Suburban models, and 1999-2000 GMC Yukon applications.

Key Features

• Coded ignition lock cylinder for column mounting
• Includes keys and instructions
• Uses solid brass tumblers and chrome plated brass keys
• Die-cast zinc lock core construction
• Multiple randomly assigned key codes for service replacement
• Built to match original equipment dimensions for installation

Detailed Description

Standard Ignition US-226LK is a replacement ignition lock cylinder for vehicles that use a column-mounted ignition switch assembly. The design uses brass tumblers, brass keys with chrome plating, and a zinc lock core to support smooth key engagement and dependable operation. This part number is a practical choice when the original lock cylinder is worn, sticking, or no longer turning correctly. Cross-reference part numbers include Dorman OE Solutions 924-893 and Standard Ignition US-226LK interchange references such as 4H1054.

For search relevance, this part is commonly selected for Chevrolet C1500 ignition lock cylinder replacement, GMC Yukon ignition lock cylinder service, and Cadillac Escalade ignition lock cylinder repair on the listed model years.

What It Helps Fix

• Key will not turn smoothly in the ignition
• Worn or damaged ignition cylinder tumblers
• Intermittent ignition lock engagement
• Broken or inconsistent key operation
• Replacement needs after lock wear on column-mounted systems

Installation Notes and Tips

Instructions are included. Verify column mounting and confirm the vehicle’s anti-theft system service procedure before installation, especially on listed GMC applications where the service manual guidance is noted. Match the existing ignition lock configuration and confirm fitment by year, make, and model before service. The part number US-226LK is also a useful reference when ordering for 1998-2000 Chevrolet and GMC truck platforms.

Quality Assurance

Standard Ignition builds this lock cylinder with technician-focused design input and long-running OE replacement development. The construction materials and coded keying are selected to support accurate replacement of the original ignition lock assembly on the specified GM applications.