ACDelco 84978560 GM Genuine Parts Air Suspension Controller Module

The ACDelco 84978560 is a GM Genuine Parts air suspension controller module (Active Suspension Module Assembly) designed as a direct OE replacement for GM vehicles equipped with electronic air suspension systems. This controller serves as the central processing unit for the vehicle's air suspension, interpreting sensor inputs and commanding the suspension system to maintain proper ride height and deliver a controlled, level ride.

Key Features:

• Direct-fit GM OE replacement — engineered to the same specifications as the original factory-installed unit
• Regulates ride height by processing signals from height sensors and commanding air suspension components accordingly
• Designed, engineered, and tested to rigorous GM quality and durability standards
• Helps maintain consistent vehicle leveling under varying load conditions
• Plug-and-play fitment with factory wiring harness connectors — no modifications required
• Backed by General Motors as an ACDelco Genuine Parts component

As an ACDelco GM Genuine Parts component, the 84978560 air suspension controller is the trusted OE solution for restoring proper function to your vehicle's electronic air suspension system. Replacing a faulty controller with a genuine GM part ensures accurate communication between the suspension system's sensors and actuators, helping to eliminate ride height errors, warning lights, and compressor faults associated with a failed module.