Four Seasons 73543 HVAC Recirculation Door Actuator

Overview of Four Seasons HVAC Recirculation Door Actuator 73543

The Four Seasons HVAC Recirculation Door Actuator 73543 is designed to control the air recirculation door in select Acura and Honda vehicles. This actuator features a cam-style door linkage and is engineered to provide reliable operation for your vehicle's HVAC system.

• Cam-style door linkage for precise movement
• Four mounting ears for secure installation
• Five terminal pins ensuring proper electrical connection
• Compatible with Acura and Honda models including Civic, ILX, and RDX
• Part number 73543 for accurate identification

Detailed Product Description

This HVAC recirculation door actuator from Four Seasons is built to replace faulty or worn actuators in Acura and Honda vehicles. The cam-style door linkage allows for smooth and accurate control of the air door, which regulates whether outside air or recirculated cabin air is used. With four mounting ears, the actuator mounts securely to the HVAC housing, minimizing vibration and ensuring consistent performance. The five terminal pins provide a stable electrical connection, supporting the actuator’s responsiveness and durability. This part is specifically designed to fit models such as the Honda Civic, Acura ILX, and Acura RDX, making it a precise replacement option for these vehicles.

Common Applications and Issues Addressed

• Failure to switch between fresh air and recirculated air modes
• Unusual noises or clicking sounds from the HVAC system
• Inconsistent cabin temperature control due to air door malfunction
• HVAC system stuck in one mode causing fogging or poor ventilation
• Electrical connection problems affecting actuator operation

Installation Notes and Tips

When installing the Four Seasons HVAC Recirculation Door Actuator 73543, ensure the four mounting ears align properly with the HVAC housing. Carefully connect the five terminal pins to avoid damage and ensure a secure electrical connection. It is recommended to verify actuator operation before reassembling the dashboard components. Refer to the vehicle’s service manual for specific removal and installation procedures to avoid damage to surrounding components.

Quality Assurance and Warranty

Four Seasons manufactures this HVAC recirculation door actuator to meet or exceed OEM specifications for fit and function. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult the product packaging or Four Seasons customer support.