Product Review

ACDelco GM Original Equipment A/C Vacuum Actuators are a pneumatic servo mounted on the HVAC housing that actuate or move the HVAC doors or valves. Vacuum signals from the HVAC controller cause the vacuum actuator to move. These original equipment A/C vacuum actuators are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.