ACDelco GM Original Equipment 15-72139 Temperature Mode Valve Actuator Assembly Fits 1994 Chevrolet Blazer

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 vehicles original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.