Four Seasons 73680 HVAC Blend Door Actuator - Auxiliary or Right

Reliable HVAC Blend Door Actuator for Lexus and Toyota Vehicles

The Four Seasons 73680 HVAC blend door actuator is designed to restore proper airflow control in your Lexus or Toyota vehicle's climate system. Engineered with a gear-type door linkage and multiple mounting points, this actuator ensures precise operation for models like the Lexus TX350 and Toyota Highlander.

• Gear-type door linkage for accurate blend door movement
• Four mounting ears for secure installation
• Five terminal pins for reliable electrical connection
• Compatible with Lexus TX350 and Toyota Grand Highlander, Highlander, Sequoia, and Sienna
• Part number 73680 for easy identification and replacement

Product Details and Specifications

This HVAC blend door actuator from Four Seasons features a gear-style door linkage that provides consistent and smooth control of the air mix doors within the HVAC system. The actuator includes four mounting ears, which help ensure a stable and secure fit in the vehicle’s HVAC housing. With five terminal pins, the actuator maintains a dependable electrical connection, supporting accurate signal transmission for blend door positioning.

Designed specifically for select Lexus and Toyota models, including the Lexus TX350 and Toyota Grand Highlander, Highlander, Sequoia, and Sienna, this actuator meets the exact fitment requirements for these vehicles. The part number 73680 allows for straightforward identification when sourcing replacement parts.

Common HVAC Issues Addressed by This Actuator

• Inconsistent or incorrect cabin temperature regulation
• Failure of blend door to move or respond to climate control settings
• Unusual noises coming from the HVAC system during operation
• Airflow stuck in one position, causing discomfort
• Intermittent or no response from the HVAC blend door controls

Installation Notes and Tips

When replacing the HVAC blend door actuator, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Carefully remove the old actuator, noting the position of the blend door linkage and terminal connections. Align the new Four Seasons 73680 actuator with the four mounting ears and secure it firmly. Verify that the five terminal pins are properly connected before reassembling the HVAC housing. Testing the actuator operation before full reassembly can help confirm correct installation.

Quality Assurance and Warranty

Four Seasons manufactures this HVAC blend door actuator to meet 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. Using the correct part number 73680 ensures compatibility and supports reliable HVAC system performance in your Lexus or Toyota vehicle.