Four Seasons 73727 HVAC Recirculation Door Actuator

HVAC Recirculation Door Actuator for Lexus LS

The Four Seasons 73727 HVAC recirculation door actuator restores control of the air door that directs cabin airflow in the heating and air conditioning system. Built for 2013-2016 Lexus LS460 and 2013-2016 Lexus LS600h applications, it is a direct-fit HVAC air door actuator for vehicles with the matching 5-pin, 4-ear mounting design.

Key Features

• HVAC recirculation door actuator with arm-style door linkage
• 4 mounting ears for secure installation
• 5 terminal pins for the correct electrical connection
• Direct application for 2013-2016 Lexus LS460 and 2013-2016 Lexus LS600h
• Four Seasons part number 73727 for easy identification

Product Details

Four Seasons 73727 is an HVAC air door actuator engineered for recirculation door control in Lexus LS applications. The arm linkage and 5-pin terminal layout help match the original system configuration, while the 4-ear mounting style supports proper alignment in the HVAC housing. This part cross-references Denso 8710650580 for the same application. If you are searching for a Lexus LS460 recirculation door actuator or a Lexus LS600h HVAC door actuator, this unit provides the correct fitment profile for those model years.

Common Problems It Can Address

• Recirculation door stuck in one position
• Incorrect cabin air routing between fresh and recirculated air
• HVAC clicking or repeated actuator movement
• Loss of temperature or airflow control through the air door system
• Fault codes related to HVAC door actuator operation

Installation Notes and Tips

Verify the connector style, terminal pin count, mounting ear layout, and door linkage before installation. Confirm the vehicle application against the original actuator on 2013-2016 Lexus LS460 and 2013-2016 Lexus LS600h models, and inspect the HVAC door movement after replacement to ensure the recirculation door cycles correctly.

Quality Assurance

Four Seasons states that its HVAC components are engineered and tested for long service life, backed by more than 50 years of mobile A/C experience. The brand positions this part as a repair you can install with confidence for the correct Lexus LS recirculation door actuator application.