OE Quality
60-Day Returns

Four Seasons 73438 HVAC Mode Door Actuator - Auxiliary
Reliable HVAC Mode Door Actuator for Honda Odyssey
The Four Seasons Air Door Actuator 73438 is designed to restore proper airflow control in your Honda Odyssey's HVAC system. Engineered to meet OEM specifications, this HVAC mode door actuator ensures precise operation of the air door linkage for consistent climate control.
- Compatible with Honda Odyssey models
- Part number 73438 for accurate identification
- Features an arm-style door linkage for smooth movement
- Equipped with 4 mounting ears for secure installation
- Includes 5 terminal pins for reliable electrical connection
Product Details and Specifications
This HVAC mode door actuator from Four Seasons is part of the Air Door Actuator product line, which focuses on components that regulate airflow within vehicle HVAC systems. The actuator uses an arm-style door linkage to control the position of the air door, allowing for proper distribution of heated or cooled air inside the cabin. With four mounting ears, the actuator mounts securely to the HVAC housing, minimizing vibration and ensuring consistent performance. The five terminal pins provide a stable electrical interface, supporting accurate signal transmission for actuator operation.
Common Applications and Problem Resolution
- Restores proper HVAC airflow control in Honda Odyssey vehicles
- Resolves issues with inconsistent cabin temperature regulation
- Fixes malfunctioning or stuck HVAC mode doors
- Eliminates unusual noises caused by faulty door actuators
- Addresses electrical connection problems within the HVAC system
Installation Notes and Tips
When installing the Four Seasons Air Door Actuator 73438, ensure the actuator's arm linkage aligns correctly with the HVAC door mechanism. Verify that all four mounting ears are securely fastened to prevent movement or rattling. Check the five terminal pins for proper electrical connection to avoid intermittent operation. It is recommended to consult the vehicle’s service manual for detailed installation procedures specific to the Honda Odyssey.
Quality Assurance and Warranty
Four Seasons manufactures the Air Door Actuator 73438 to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty against defects in materials and workmanship. For exact warranty information, refer to the product packaging or contact Four Seasons directly.
| Brand | Four Seasons |
| Part Number | 73438 |
| Position | Air Door Actuator, Auxiliary |
| Door Linkage | Arm |
| Mounting Ear Qty. | 4 |
| Style | Hvac air door actuator |
| Terminal Pin Qty. | 5 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Honda | Odyssey | Auxiliary | Air Door Actuator |
| 2009 | Honda | Odyssey | Auxiliary | Air Door Actuator |
| 2008 | Honda | Odyssey | Auxiliary | Air Door Actuator |
| 2007 | Honda | Odyssey | Auxiliary | Air Door Actuator |
| 2006 | Honda | Odyssey | Auxiliary | Air Door Actuator |
| 2005 | Honda | Odyssey | Auxiliary | Air Door Actuator |
* 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.