Four Seasons 73635 HVAC Air Door Actuator

The Four Seasons 73635 is a replacement HVAC air door actuator designed to restore proper climate control function to your vehicle's heating and air conditioning system. Also commonly referred to as a blend door actuator or heater door actuator, this component controls the position of internal air distribution doors within the HVAC box, regulating the mix of hot and cold air delivered to the cabin.

Four Seasons engineers each actuator to meet or exceed original equipment fit and performance standards, ensuring a straightforward, direct-fit replacement without modification.

Key Features:

• Direct-fit OE replacement for precise installation
• Precision gears and quality motor for reliable, consistent door positioning
• Quality soldered connections and OE-style connector with high-quality contacts for dependable conductivity
• Rigorous testing to meet or exceed original equipment specifications
• Restores proper temperature blend, air recirculation, or mode door function
• Sold individually

A failing HVAC door actuator often presents as a ticking or clicking noise from behind the dashboard, inconsistent cabin temperatures, or air stuck blowing from a single vent mode. The Four Seasons 73635 is a reliable, cost-effective solution to restore full HVAC system performance.