Standard Ignition HS-428 A/C Selector Switch

2006 Kia Optima A/C Selector Switch

Restore HVAC control response with this Standard Ignition A/C selector switch, part number HS-428. It is built with a black plastic finish, a female connector, and male blade terminals for a direct-style electrical connection in the instrument panel HVAC system.

Compatible with 2006 Kia Optima models with manual A/C and temperature control, this HS-428 switch is a practical replacement when the original selector no longer changes modes or responds consistently. This part cross-references OE-style numbers 972903C000 and HC390 for the same application.

Key Features

• Standard Ignition HS-428 A/C selector switch for instrument panel HVAC control
• Black plastic finish for a factory-style appearance
• Female connector with male blade terminals
• Switch only, as listed in the product contents
• Direct fit for 2006 Kia Optima with manual A/C and temperature control

Detailed Description

The Standard Ignition HS-428 is an HVAC instrument panel selector switch used to control air conditioning functions from the dashboard. For 2006 Kia Optima applications with manual A/C and temperature control, this switch helps restore the interface between the driver and the HVAC system when the original unit wears out, becomes intermittent, or stops selecting settings properly. The part number HS-428 is also useful when searching for a replacement by interchange reference.

Common Issues This Part May Solve

• HVAC selector knob or switch does not change settings
• Intermittent response when selecting A/C functions
• Broken or worn internal switch contacts
• Dashboard climate control input no longer registers correctly
• Loss of manual temperature control selection in the instrument panel

Installation Notes and Tips

Verify the vehicle is a 2006 Kia Optima with manual A/C and temperature control before ordering. Match the connector style, terminal layout, and switch location to the original unit before installation. Inspect the HVAC control panel and wiring terminals for damage or corrosion so the replacement switch can seat and connect properly.

Quality Assurance

Standard Ignition supplies replacement electrical and HVAC components for service applications. This HS-428 selector switch is built to match the listed connector and terminal configuration for the specified vehicle fitment.