Upgrade your Squarebody’s climate control system with this reliable, tested A/C vacuum diaphragm. Designed for 1973–1987 Chevrolet and GMC C/K series trucks, this actuator is a critical component for restoring smooth operation to your heater and air conditioning blend doors.
Whether you are performing a full restoration or just fixing a sticky vent, this part will help ensure your cabin temperature control functions just as it did from the factory.
Quality: Carefully inspected for vacuum integrity and structural condition.
Compatibility: Direct fit for factory HVAC units.
Shipping: We provide fast, reliable shipping to all lower 48 states, with specialized service routes to California and Florida to ensure your parts arrive quickly.
Important Information:
Please verify your specific model year and HVAC configuration prior to purchase to ensure fitment.
