Standard Ignition US-311 Ignition Switch

Ignition Switch for Toyota and Geo Applications

Standard Ignition US-311 is a column-mounted ignition switch built for select Toyota and Geo vehicles. It uses a white plastic face, a bolt-on attachment method, and a single rectangular female connector with 7 male blade terminals for a direct electrical interface.

Compatible With 1994-1999 Toyota Celica, 1993-1997 Geo Prizm, and 1993-1997 Toyota Corolla, this ignition switch is a fitment-based replacement for vehicles that need a column ignition switch with the correct connector and terminal layout. The US-311 part number is also useful when cross-checking OE-style replacement listings for these applications.

Key Features

• Standard Ignition US-311 ignition switch
• Column mounting location for steering column installation
• Bolt-on attachment method
• 1 rectangular female connector
• 7 male blade terminals
• White face color with plastic finish

Detailed Product Overview

This ignition switch is specified for column-mounted systems and is built around the connector and terminal configuration used in the listed Toyota Corolla, Toyota Celica, and Geo Prizm applications. The rectangular connector shape, female connector gender, and 7-terminal blade layout help ensure the replacement matches the vehicle’s electrical connection points. Standard Ignition US-311 is a practical choice when replacing a worn or electrically inconsistent ignition switch in these model years.

This part cross-references 18-0346 and KS6540 for the same application.

What It Helps Fix

• Intermittent no-start conditions caused by a worn ignition switch
• Loss of accessory, ignition, or start circuit function at the column
• Electrical contact issues from damaged internal switch components
• Key-turn response problems related to switch wear
• Replacement needs after connector or terminal deterioration

Installation Notes and Tips

Verify the vehicle’s column-mounted switch layout, connector shape, and terminal count before installation. Match the existing connector style and mounting method to the original part to confirm fitment for 1994-1999 Toyota Celica, 1993-1997 Geo Prizm, or 1993-1997 Toyota Corolla. Always compare the original switch to Standard Ignition US-311 before final assembly.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and ignition components, and this switch is built to match the specified fitment and connection requirements for the listed vehicles.