Standard Ignition US-609 Ignition Lock Cylinder and Switch

Ignition Lock Cylinder and Switch for Acura MDX

Standard Ignition US-609 is a coded ignition switch and lock assembly with keys for select Acura MDX models. It is built for column mounting and uses a black and silver finish with male and female connectors for direct replacement service.

Compatible with 2003-2006 Acura MDX applications, this ignition lock cylinder and switch assembly is a practical choice when the original switch or lock mechanism shows wear, key operation becomes inconsistent, or electrical contact issues affect starting. Standard Ignition US-609 is also referenced by part number US-609 for ordering and catalog matching.

Key Features

• Coded ignition switch and lock assembly
• Includes keys and ignition switch/lock assembly components
• Column-mounted design for select Acura MDX vehicles
• 3 connector design with male and female terminals
• 18 blade terminals for the specified application
• Black and silver finish
• Instructions included for installation reference

Detailed Product Overview

Standard Ignition US-609 is an ignition lock cylinder and switch assembly engineered for 2003-2006 Acura MDX models. The coded lock cylinder helps maintain proper key matching for the vehicle application, while the integrated switch assembly supports replacement of both the mechanical and electrical portions of the ignition system in one service part. This part number, US-609, is commonly searched for Acura MDX ignition switch and lock cylinder replacement needs.

This part cross-references 35100S3V305 and CS968 for the same application.

Common Problems This Part Can Address

• Key will not turn smoothly in the ignition
• Ignition switch contact wear causing intermittent starting concerns
• Broken or worn lock cylinder operation
• Electrical connection issues at the column-mounted ignition switch
• Need for a replacement ignition lock cylinder and switch assembly on an Acura MDX

Installation Notes and Tips

Verify the vehicle year and application before installation. This assembly mounts at the steering column and uses male and female connectors with blade terminals, so connector and terminal matching should be confirmed during service. Instructions are included, and the coded lock assembly should be matched carefully to the vehicle’s ignition system requirements. Standard Ignition US-609 is listed for 2003, 2004, 2005, and 2006 Acura MDX models.

Quality Assurance

Standard Ignition supplies ignition system replacement parts for service applications, and this US-609 assembly is cataloged for the specified Acura MDX fitment. Use the confirmed vehicle year and model data to ensure proper application before installation.