Standard Ignition US-559 Ignition Switch

Ignition Switch for Acura MDX

Standard Ignition US-559 is a column-mounted ignition switch for 2003-2006 Acura MDX models. It uses a bolt-on attachment method, a rectangular male connector, and 5 female blade terminals for a direct replacement-style service part.

Key Features

• Fits 2003-2006 Acura MDX
• Standard Ignition US-559 ignition switch
• Column mounting location with bolt-on attachment
• 1 rectangular male connector
• 5 female blade terminals
• Black and brown plastic finish

Detailed Description

Standard Ignition US-559 is an ignition switch built for Acura MDX ignition system service where the original column switch has worn contacts, intermittent operation, or key-position issues. The switch is configured with a rectangular connector, female blade terminals, and a plastic black and brown housing to match the listed application. For buyers searching for an Acura MDX ignition switch, US-559 provides a direct-fit replacement option for 2003, 2004, 2005, and 2006 models.

This part cross-references Honda OE-style numbers such as 35130S3VA02 and aftermarket references including CS899 for the same application. Standard Ignition US-559 is also a relevant search match for Acura MDX ignition switch replacement and column-mounted ignition switch service.

Common Issues This Part May Address

• Key turns but the starter circuit does not engage consistently
• Intermittent accessory or ignition power at the column switch
• Worn internal switch contacts causing no-start symptoms
• Electrical failure at the ignition switch connector interface
• Difficulty maintaining stable ignition positions during operation

Installation Notes and Tips

Verify connector shape, terminal count, and column mounting before installation. Confirm the vehicle is a 2003-2006 Acura MDX and compare the original switch layout to US-559 before removal. Because this is a column-mounted ignition switch, careful alignment and secure bolt-on installation are important for proper operation.

Quality Assurance

Standard Ignition supplies replacement ignition components for service applications, and US-559 is cataloged to match the listed Acura MDX fitment and electrical configuration.