The Accufab Ford to GM Idle Air Control (IAC) Adapter allows you to install a GM Idle Air Control (IAC) motor on an Accufab Ford-style 5.0L throttle body. This adapter is an excellent solution for custom EFI conversions, LS swaps, aftermarket engine management systems, or any application utilizing GM idle air control components.

Precision CNC-machined from billet aluminum, each adapter is designed for a precise fit and is available in Polished or Black Anodized finishes.

Available Versions

GM Early Style IAC Adapter (Threaded)

Designed for early GM threaded Idle Air Control motors.

Features:

• Fits threaded GM IAC motors
• Compatible with Accufab 65mm-105mm Ford-style throttle bodies
• Includes billet adapter and IAC gasket
• GM IAC threads directly into the adapter
• No additional retaining hardware required

IAC motor not included.

GM Late Style IAC Adapter (Push-In)

Designed for late-model GM smooth, non-threaded Idle Air Control motors.

Features:

• Fits push-in style GM IAC motors
• Compatible with Accufab 65mm-105mm Ford-style throttle bodies
• Includes billet adapter, gasket, and retaining hardware
• IAC motor installs into the adapter and is secured with the included fasteners

IAC motor not included.

Features & Benefits

• Converts Accufab Ford-style throttle bodies for GM Idle Air Control motors
• Compatible with Accufab 65mm through 105mm Ford-style throttle bodies
• Precision CNC-machined billet aluminum construction
• Available in Polished or Black Anodized finish
• Ideal for EFI conversions, LS swaps, and custom engine management systems
• Manufactured in the USA by Accufab

Specifications

Included Components

Threaded Version

• Billet IAC adapter
• IAC gasket

Push-In Version

• Billet IAC adapter
• IAC gasket
• Retaining hardware

Idle Air Control (IAC) motor sold separately.

Important Fitment Information

Please verify your GM Idle Air Control motor before ordering.

• Early GM IAC: Threaded body that screws directly into the adapter.
• Late GM IAC: Smooth, non-threaded push-in style with a flat 4-pin connector.

This adapter is designed only for GM Idle Air Control motors.

Note: Chrysler flat 4-pin IAC motors may appear similar but use a different mounting pattern and are not compatible with this adapter. Modifying the adapter to fit a Chrysler IAC is not recommended and may damage the adapter.