OE Quality
60-Day Returns

Four Seasons 73647 HVAC Recirculation Door Actuator
Reliable HVAC Recirculation Door Actuator for Toyota Sienna
The Four Seasons 73647 HVAC Recirculation Door Actuator is designed to restore proper airflow control in your Toyota Sienna's heating and cooling system. Engineered with precision, this actuator ensures smooth operation of the HVAC air door for consistent cabin comfort.
- Door linkage type: Arm for secure and accurate movement
- Mounting ear quantity: 4 for stable installation
- Style: HVAC air door actuator tailored for recirculation control
- Terminal pin quantity: 3 for reliable electrical connection
Product Details and Specifications
This HVAC recirculation door actuator from Four Seasons features an arm-style door linkage that provides precise control over the air door movement within the HVAC system. The actuator includes four mounting ears, which help ensure a firm and vibration-resistant fit in the Toyota Sienna. With three terminal pins, it offers a dependable electrical interface for seamless integration with the vehicle’s climate control system. The actuator style is specifically designed to manage the air door responsible for switching between fresh air intake and recirculated air, maintaining optimal cabin air quality and temperature.
Compatible Vehicles and Applications
This part is compatible with Toyota Sienna models requiring a replacement HVAC recirculation door actuator. The Four Seasons 73647 actuator is suitable for addressing issues related to air door malfunction in the HVAC system of the Sienna, helping to restore proper airflow control and improve overall climate system performance.
- Resolves HVAC air door failure causing improper air recirculation
- Fixes inconsistent cabin temperature due to faulty actuator movement
- Eliminates unusual noises from the HVAC system linked to door actuator issues
- Restores proper switching between fresh and recirculated air modes
Installation Notes and Tips
When installing the Four Seasons 73647 actuator, ensure the four mounting ears align correctly with the vehicle’s HVAC housing for secure attachment. Verify the three terminal pins are properly connected to avoid electrical faults. It is recommended to test the actuator operation before reassembling the dashboard components to confirm correct functionality.
Quality Assurance and Warranty
Four Seasons manufactures this HVAC recirculation door actuator to meet or exceed OEM standards 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. Refer to the product packaging or manufacturer documentation for exact warranty terms.
| Brand | Four Seasons |
| Part Number | 73647 |
| Door Linkage | Arm |
| Mounting Ear Qty. | 4 |
| Style | Hvac air door actuator |
| Terminal Pin Qty. | 3 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Toyota | Sienna | N/A | w/o ATC (Automatic Temperature Control) |
| 2002 | Toyota | Sienna | N/A | w/o ATC (Automatic Temperature Control) |
| 2001 | Toyota | Sienna | N/A | w/o ATC (Automatic Temperature Control) |
| 2000 | Toyota | Sienna | N/A | w/o ATC (Automatic Temperature Control) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.