Standard AC15T Idle Air Control Valve

Idle Air Control Valve for GM Applications

Standard AC15T is an idle air control valve built from quality components for dependable operation. It is a direct-fit style replacement for a wide range of Chevrolet, GMC, Pontiac, Buick, Oldsmobile, Geo, Isuzu, and related applications, including Chevrolet Astro and Pontiac Grand Am models.

Key Features

• Idle air control valve for air and fuel delivery systems
• 4-terminal electrical connection
• No hardware included
• Made from quality components for dependable service
• Cross-references Standard Ignition AC15 and other aftermarket listings for the same application

Detailed Description

The Standard AC15T idle air control valve regulates bypass air at the throttle body to help maintain stable idle speed when the engine is cold, under load, or during accessory operation. This part number is used across many GM and import platforms, including Chevrolet Astro, Chevrolet S10, GMC Safari, Pontiac Grand Am, and Buick Century applications. Standard AC15T is also listed for 2008-2011 Chevrolet Aveo and 2007-2008 Pontiac G3 coverage.

This part cross-references Standard Ignition AC15 and Delphi CV10000 for the same application.

What It Helps Fix

• Unstable or fluctuating idle speed
• Stalling when coming to a stop
• High idle after startup
• Idle quality issues with the A/C or other loads engaged
• Driveability concerns related to bypass air control

Installation Notes and Tips

• Verify the 4-terminal connector matches the original unit before installation.
• Confirm vehicle-specific fitment by year, make, model, and notes such as Auxiliary Air Valve or w/o Electric Shift.
• Inspect the throttle body and intake passages for carbon buildup before installing the valve.
• Use the correct gasket or seal if required by the application; hardware is not included.

Quality Assurance

Standard manufactures this idle air control valve using quality components for dependable operation. Confirm fitment against the listed vehicle applications, including Chevrolet Astro, Pontiac Grand Am, and related GM platforms, before ordering.