Four Seasons 73641 HVAC Recirculation Door Actuator

Reliable HVAC Recirculation Door Actuator for Lexus LS400

The Four Seasons 73641 HVAC Recirculation Door Actuator is designed to restore proper airflow control in your Lexus LS400. Featuring a durable arm-type door linkage and a secure 3-mounting ear design, this actuator ensures precise operation of the HVAC air door system.

• Arm-style door linkage for consistent HVAC air door movement
• Three mounting ears for stable and secure installation
• Five terminal pins for reliable electrical connections
• Specifically engineered for Lexus LS400 HVAC systems
• Part number 73641 for accurate identification and fitment

Product Details and Specifications

This HVAC recirculation door actuator from Four Seasons is built to meet the exact specifications required by the Lexus LS400. The actuator’s arm linkage style provides smooth and responsive control of the air door, which regulates the recirculation of cabin air. With three mounting ears, the actuator mounts firmly in place, reducing the risk of vibration or misalignment. The five terminal pins ensure a secure electrical connection, supporting consistent actuator performance. This part is identified by part number 73641 and is designed to integrate seamlessly with the LS400’s HVAC system.

Common Applications and Problem Resolution

• Restores proper HVAC air recirculation door function in Lexus LS400
• Eliminates issues with inconsistent cabin air flow or temperature control
• Resolves actuator failure symptoms such as stuck or unresponsive air doors
• Addresses electrical connection problems related to terminal pin wear or damage
• Prevents HVAC system noise caused by loose or faulty door actuators

Installation Notes and Tips

When installing the Four Seasons 73641 actuator, ensure the three mounting ears align correctly with the vehicle’s HVAC housing for a secure fit. Verify that the five terminal pins are properly connected to avoid electrical faults. It is recommended to test the actuator operation before reassembling the dashboard components to confirm proper function. Handle the arm linkage carefully to prevent bending or damage during installation.

Quality Assurance and Warranty

Four Seasons manufactures this HVAC recirculation door actuator to meet industry standards for durability and performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. Using the correct part number 73641 ensures compatibility and reliability for your Lexus LS400 HVAC system.