Four Seasons 73647 HVAC Recirculation Door Actuator

Four Seasons 73647 HVAC Recirculation Door Actuator

Restore proper cabin air control with the Four Seasons 73647 HVAC recirculation door actuator. This HVAC air door actuator is built for 2000-2003 Toyota Sienna models without automatic temperature control, helping the recirculation door move as intended for consistent airflow management.

Key Features

• HVAC recirculation door actuator for recirculation door operation
• Arm-style door linkage for direct actuator movement
• 4 mounting ears for secure HVAC housing attachment
• 3-terminal pin electrical connection
• Fits 2000-2003 Toyota Sienna, N/A, w/o ATC (Automatic Temperature Control)
• Four Seasons part number 73647 for direct reference

Product Details

The Four Seasons 73647 is an HVAC air door actuator engineered for dependable operation in the climate control system. It is designed for Toyota Sienna applications from 2000 through 2003 without ATC, where the recirculation door needs accurate movement to direct cabin air through the proper HVAC path. Four Seasons backs this part with more than 50 years of mobile A/C experience and focuses on tested, service-ready replacement components. This part cross-references ACT1970IM and DA1585 for the same application.

Common Problems This Part Can Help Solve

• Recirculation door stuck in one position
• Incorrect cabin air routing through the HVAC system
• Loss of recirculation function in the Toyota Sienna HVAC system
• Clicking or inconsistent actuator movement behind the dash
• Temperature or airflow control issues tied to door movement

Installation Notes and Tips

Verify the vehicle is a 2000-2003 Toyota Sienna without automatic temperature control before ordering. Match the 3-terminal connector, 4-ear mounting pattern, and arm-style linkage to the original actuator. Confirm the HVAC door moves freely before installing the replacement to avoid repeat failure. For best results, compare the original unit to Four Seasons 73647 before final assembly.

Quality Assurance

Four Seasons engineers and tests its HVAC components for long service life and consistent operation. The brand positions this actuator as a service replacement built from its long-standing mobile air conditioning experience, with the goal of repairing the system correctly the first time.