OE Quality
60-Day Returns

Four Seasons 73605 HVAC Mode Door Actuator - Left
Overview of Four Seasons HVAC Mode Door Actuator 73605
The Four Seasons HVAC Mode Door Actuator 73605 is designed specifically for Toyota Tacoma models, ensuring precise control of your vehicle's HVAC air doors. This actuator features a female door linkage and a durable design with three mounting ears for secure installation.
- Female door linkage for reliable connection
- Three mounting ears for stable attachment
- Four terminal pins for efficient electrical connectivity
- HVAC air door actuator style tailored for Toyota Tacoma
Detailed Product Description
This HVAC mode door actuator from Four Seasons is engineered to regulate the airflow direction within the HVAC system of Toyota Tacoma vehicles. The actuator’s female door linkage allows for a secure and precise fit with the HVAC air doors, while the three mounting ears provide a stable and vibration-resistant installation. Equipped with four terminal pins, this actuator ensures consistent electrical performance and responsiveness. The part number 73605 corresponds to this specific actuator model, designed to meet the exact specifications required for proper HVAC function in Toyota Tacoma trucks.
Common Applications and Issues Addressed
- Restores proper airflow direction control in Toyota Tacoma HVAC systems
- Resolves issues with stuck or unresponsive HVAC mode doors
- Eliminates inconsistent cabin temperature due to faulty door actuation
- Fixes clicking or grinding noises from malfunctioning HVAC actuators
- Improves overall HVAC system reliability and comfort
Installation Notes and Tips
When installing the Four Seasons HVAC Mode Door Actuator 73605, ensure the female door linkage aligns correctly with the HVAC air door mechanism. The three mounting ears should be securely fastened to prevent movement or vibration during vehicle operation. Verify that all four terminal pins are properly connected to the vehicle’s wiring harness to maintain electrical integrity. It is recommended to consult the Toyota Tacoma service manual for detailed installation procedures and torque specifications.
Quality Assurance and Warranty
Four Seasons manufactures this HVAC mode door actuator to meet OEM standards for fit, form, 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. For exact warranty terms, refer to the product packaging or contact Four Seasons directly.
| Brand | Four Seasons |
| Part Number | 73605 |
| Door Linkage | Female |
| Mounting Ear Qty. | 3 |
| Style | Hvac air door actuator |
| Terminal Pin Qty. | 4 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Toyota | Tacoma | Left | |
| 2016 | Toyota | Tacoma | Left | |
| 2015 | Toyota | Tacoma | Left | To 8/15 |
| 2014 | Toyota | Tacoma | Left | |
| 2013 | Toyota | Tacoma | Left | |
| 2012 | Toyota | Tacoma | Left | |
| 2011 | Toyota | Tacoma | Left | |
| 2010 | Toyota | Tacoma | Left | |
| 2009 | Toyota | Tacoma | Left | |
| 2008 | Toyota | Tacoma | Left | |
| 2007 | Toyota | Tacoma | Left | |
| 2006 | Toyota | Tacoma | Left | |
| 2005 | Toyota | Tacoma | Left |
* 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.