OE Quality
60-Day Returns

Four Seasons 73403 HVAC Mode Door Actuator
Reliable HVAC Mode Door Actuator for Hyundai and Kia Vehicles
The Four Seasons Air Door Actuator 73403 is designed to restore proper airflow control in your Hyundai Sportage or Kia Tucson HVAC system. This HVAC mode door actuator ensures precise operation of the air door linkage, helping maintain comfortable cabin temperatures.
Key Features of Four Seasons Air Door Actuator 73403
- Equipped with an arm-style door linkage for accurate movement
- Features three mounting ears for secure installation
- Includes five terminal pins for reliable electrical connection
- Specifically engineered for Hyundai Sportage and Kia Tucson models
- Part number 73403 ensures correct fit and function
Detailed Description of the Air Door Actuator 73403
The Four Seasons Air Door Actuator 73403 is part of the Air Door Actuator product line, which focuses on delivering dependable HVAC components for vehicle climate control systems. This actuator operates the HVAC mode door, controlling airflow direction within the heating and cooling system. Its arm-style door linkage provides precise mechanical movement, while the three mounting ears allow for stable attachment within the HVAC housing. The actuator’s five terminal pins ensure consistent electrical connectivity, supporting smooth operation. Designed specifically for Hyundai Sportage and Kia Tucson models, this part number 73403 matches OEM specifications to maintain system integrity.
Common HVAC Issues Addressed by This Actuator
- Inconsistent airflow direction inside the cabin
- Failure to switch between heating and cooling modes
- Unresponsive or stuck HVAC mode door
- Unusual noises from the HVAC system during operation
- Electrical connection problems affecting actuator performance
Installation Notes and Tips
- Ensure vehicle compatibility with Hyundai Sportage or Kia Tucson before installation
- Disconnect the battery to prevent electrical shorts during replacement
- Carefully remove the old actuator, noting the position of the arm-style door linkage
- Align the three mounting ears properly to secure the new actuator
- Verify the five terminal pins are fully connected for proper electrical function
Quality Assurance and Warranty Information
Four Seasons manufactures the Air Door Actuator 73403 to meet or exceed OEM standards for durability and performance. This part undergoes rigorous quality control to ensure reliable operation within the HVAC system. Warranty coverage details should be confirmed with the supplier or manufacturer to understand specific terms and conditions.
| Brand | Four Seasons |
| Part Number | 73403 |
| Position | Air Door Actuator |
| Door Linkage | Arm |
| Mounting Ear Qty. | 3 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 5 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Hyundai | Tucson | N/A | w/ Doowon Compressor Code DCC; Air Door Actuator |
| 2009 | Kia | Sportage | N/A | Center Console For 2nd Row Climate Control; To 7/1/2009; Air Door Actuator |
| 2008 | Hyundai | Tucson | N/A | w/ Doowon Compressor Code DCC; Air Door Actuator |
| 2008 | Kia | Sportage | N/A | Center Console For 2nd Row Climate Control; Air Door Actuator |
| 2007 | Hyundai | Tucson | N/A | w/ Doowon Compressor Code DCC; Air Door Actuator |
| 2007 | Kia | Sportage | N/A | Center Console For 2nd Row Climate Control; Air Door Actuator |
| 2006 | Hyundai | Tucson | N/A | w/ Doowon Compressor Code DCC; Air Door Actuator |
| 2006 | Kia | Sportage | N/A | Center Console For 2nd Row Climate Control; Air Door Actuator |
| 2005 | Hyundai | Tucson | N/A | w/ Doowon Compressor Code DCC; Air Door Actuator |
| 2005 | Kia | Sportage | N/A | Center Console For 2nd Row Climate Control; From 10/04; 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.