Standard AC409T Idle Air Control Valve

Idle Air Control Valve for Kia and Hyundai

The Standard AC409T idle air control valve is a direct-fit replacement for select Kia and Hyundai fuel injection systems. It is built with high-quality materials, tested for performance and reliability, and made under complete manufacturing quality control for consistent operation.

Key Features

• Direct-fit replacement for easier installation
• 3-terminal electrical connection
• No hardware included
• Built for fuel injection system idle air control service
• Standard AC409T replacement part for select Kia Sportage, Hyundai Tucson, and related applications

Detailed Description

Use the Standard AC409T when replacing a worn idle air control valve on vehicles such as the Kia Sportage, Hyundai Tucson, Hyundai Santa Fe, Kia Optima, and Hyundai Sonata. This idle air control valve helps maintain stable idle speed by regulating bypass air at the throttle body, which is important for smooth engine operation in stop-and-go driving and during cold starts. The AC409T is a direct-fit part with a 3-terminal design, making it a practical OE-style replacement for service work on compatible Hyundai and Kia models.

This part cross-references Standard Ignition AC409 for the same application.

What It Helps Fix

• Rough or unstable idle
• Stalling when coming to a stop
• Idle speed that is too high or too low
• Hard starting or poor cold-idle behavior
• Idle fluctuation after throttle release

Installation Notes and Tips

• Verify connector style and terminal count before installation.
• Inspect the throttle body, intake passages, and gasket surfaces for carbon buildup or contamination.
• Confirm vehicle fitment by year, make, and model before ordering.
• Follow the service manual for relearn or idle reset procedures if required.

Quality Assurance

Standard manufactures this idle air control valve with controlled production processes and performance testing to support dependable service life. The AC409T is built as a direct replacement for select Kia and Hyundai applications, including 1997-2010 Kia Sportage, 2005-2009 Hyundai Tucson, and 1999-2005 Hyundai Sonata coverage.