Standard Ignition AC409 Idle Air Control Valve

Idle Air Control Valve for Hyundai and Kia

Standard Ignition AC409 is an idle air control valve for select Hyundai and Kia applications. It is built with a female rectangular connector, 3 blade terminals, 2 mounting holes, and 2 ports, with a gasket included for service replacement.

Key Features

• Idle air control valve for fuel injection system service
• Female rectangular connector with 3 male blade terminals
• 2-port, 2-mount design for direct replacement use
• Gasket included for sealing at installation
• Fits select Hyundai Sonata, Santa Fe, Tiburon, Tucson, and Elantra applications
• Fits select Kia Sportage, Optima, Rio, Spectra, and Sephia applications
• Standard Ignition AC409 cross-references to AC409T and Walker Products 215-2066 for the same application

Detailed Description

Standard Ignition AC409 is an idle air control valve used to regulate bypass air at idle on supported Hyundai and Kia vehicles. This part number, AC409, is listed for a wide range of applications including 1997-2002 Kia Sportage, 1999-2005 Hyundai Sonata, 2001-2006 Hyundai Santa Fe, 2001-2006 Kia Optima, 2003-2008 Hyundai Tiburon, and 2005-2009 Hyundai Tucson. It also fits 2000-2004 Kia Spectra, 2001-2005 Kia Rio, 1998-2001 Kia Sephia, and 2002 Hyundai Elantra.

This idle air control valve is a practical replacement when the original unit is no longer maintaining stable idle airflow. Standard Ignition AC409 is built around the listed connector and terminal configuration to match the vehicle’s fuel injection system requirements.

What It Helps Address

• Unstable or fluctuating idle speed
• Stalling when the engine returns to idle
• Idle speed that is too high or too low
• Rough idle after warm-up or during stop-and-go driving
• Idle control issues related to a worn valve or air bypass problem

Installation Notes and Tips

Verify connector shape, terminal count, mounting hole count, and port layout before installation. The included gasket should be replaced during service to help maintain a proper seal. Confirm vehicle-specific fitment for your Hyundai Sonata, Santa Fe, Tiburon, Tucson, Elantra, or Kia Sportage, Optima, Rio, Spectra, or Sephia before ordering. Standard Ignition AC409 is also referenced by AC409T and Walker Products 215-2066.

Quality Assurance

Standard Ignition supplies replacement ignition and fuel system components for service applications. This AC409 idle air control valve is built to match the listed OE-style fitment and connector specifications for supported Hyundai and Kia vehicles.