Standard Ignition US-228 Ignition Switch

Ignition Switch for Mazda Column-Mount Applications

Standard Ignition US-228 is a column-mounted ignition switch built for direct replacement in select Mazda vehicles. It uses a bolt-on attachment method, a female 2-square connector layout, and 6 male blade terminals for a straightforward electrical connection.

Compatible With 1990-1995 Mazda 323, 1990-1995 Mazda Protege, and 1992-1993 Mazda MX-3, this ignition switch supports common ignition circuit functions in vehicles that use the specified column-mounted configuration. The white plastic finish and OE-style connector arrangement help match the original switch design.

Key Features

• Standard Ignition US-228 ignition switch for column mounting
• Bolt-on attachment method for secure installation
• Female connector with 2 square connector openings
• 6 male blade terminals for the vehicle harness interface
• White plastic finish
• Fits 1990-1995 Mazda 323, 1990-1995 Mazda Protege, and 1992-1993 Mazda MX-3
• Fits 1994-1995 Mazda MX-3, straight type

Detailed Description

Standard Ignition US-228 is an ignition switch designed for column-mounted applications where the original switch uses a bolt-on design and a square 2-connector layout. The terminal configuration includes 6 male blade terminals, which supports the factory-style electrical interface used in the listed Mazda applications. This part number, US-228, is also referenced for the same application under interchange numbers such as 18-0434 and CS495.

For Mazda 323, Mazda Protege, and Mazda MX-3 models in the listed years, this ignition switch provides a direct replacement option when the original switch shows wear, intermittent operation, or connector-related issues. The straight-type note for 1994-1995 Mazda MX-3 applications should be matched before ordering.

Common Issues This Part Can Address

• Key turn action that does not consistently trigger ignition circuits
• Intermittent accessory, ignition, or start circuit operation
• Worn internal switch contacts
• Connector or terminal wear at the column-mounted switch
• Failure to maintain reliable electrical continuity in the ignition system

Installation Notes and Tips

Verify the vehicle’s column-mounted switch style, connector shape, and terminal count before installation. Confirm the straight-type note for 1994-1995 Mazda MX-3 applications, and compare the original switch to Standard Ignition US-228 to ensure the connector and mounting layout match. Disconnect the battery before service and inspect the harness terminals for heat damage or corrosion.

Quality Assurance

Standard Ignition is a recognized aftermarket source for ignition and electrical components, and US-228 is listed with multiple interchange references for the same application. Confirm fitment against the vehicle year, make, model, and switch configuration before installation.