OE Quality
60-Day Returns

Four Seasons 73608 HVAC Mode Door Actuator
Reliable HVAC Mode Door Actuator for Acura and Honda Vehicles
The Four Seasons 73608 HVAC Mode Door Actuator is designed to restore proper airflow control in your Acura MDX, Honda Passport, Pilot, or Ridgeline. This actuator features a durable arm-type door linkage and precise terminal pin configuration to ensure accurate HVAC system operation.
- Door linkage style: Arm for consistent movement
- Mounting ear quantity: 4 for secure installation
- Terminal pin quantity: 5 for reliable electrical connection
- Style: HVAC air door actuator engineered for mode control
Detailed Product Description
The Four Seasons 73608 HVAC Mode Door Actuator is engineered to control the air distribution doors within the HVAC system of select Acura and Honda models. Its arm-style door linkage provides smooth and precise movement, allowing the actuator to adjust airflow direction effectively. The actuator mounts securely with four mounting ears, ensuring stability during operation. Equipped with five terminal pins, it offers a dependable electrical interface for consistent performance. This part is compatible with Acura MDX and Honda Passport, Pilot, and Ridgeline models, making it a suitable replacement for HVAC mode door actuators in these vehicles.
Common Applications and Issues Resolved
- Restores proper airflow direction in HVAC systems
- Eliminates inconsistent or stuck air mode settings
- Resolves clicking or failure noises from the mode door area
- Improves climate control responsiveness in Acura MDX and Honda Pilot
- Replaces faulty actuators causing uneven cabin temperature
Installation Notes and Tips
When installing the Four Seasons 73608 HVAC Mode Door Actuator, ensure the actuator arm linkage aligns correctly with the HVAC door mechanism. Verify that all four mounting ears are securely fastened to prevent movement or noise during operation. Confirm the five terminal pins are properly connected to the vehicle’s wiring harness to maintain electrical integrity. It is recommended to test the actuator function before reassembling the dashboard components.
Quality Assurance and Warranty
Four Seasons manufactures the 73608 HVAC Mode Door Actuator to meet or exceed OEM specifications for durability and performance. 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 | 73608 |
| Door Linkage | Arm |
| Mounting Ear Qty. | 4 |
| Style | Hvac air door actuator |
| Terminal Pin Qty. | 5 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2023 | Honda | Passport | N/A | Auxiliary |
| 2023 | Honda | Pilot | N/A | Auxiliary |
| 2023 | Honda | Ridgeline | N/A | Auxiliary |
| 2022 | Honda | Passport | N/A | Auxiliary |
| 2022 | Honda | Pilot | N/A | Auxiliary |
| 2022 | Honda | Ridgeline | N/A | Auxiliary |
| 2021 | Honda | Passport | N/A | Auxiliary |
| 2021 | Honda | Pilot | N/A | Auxiliary |
| 2021 | Honda | Ridgeline | N/A | Auxiliary |
| 2020 | Acura | MDX | N/A | Auxiliary |
| 2020 | Honda | Passport | N/A | Auxiliary |
| 2020 | Honda | Pilot | N/A | Auxiliary |
| 2020 | Honda | Ridgeline | N/A | Auxiliary |
| 2019 | Acura | MDX | N/A | Auxiliary |
| 2019 | Honda | Passport | N/A | Auxiliary |
| 2019 | Honda | Pilot | N/A | Auxiliary |
| 2019 | Honda | Ridgeline | N/A | Auxiliary |
| 2018 | Acura | MDX | N/A | Auxiliary |
| 2018 | Honda | Pilot | N/A | Auxiliary |
| 2018 | Honda | Ridgeline | N/A | Auxiliary |
| 2017 | Acura | MDX | N/A | Auxiliary |
| 2017 | Honda | Pilot | N/A | Auxiliary |
| 2017 | Honda | Ridgeline | N/A | Auxiliary |
| 2016 | Acura | MDX | N/A | Auxiliary |
| 2016 | Honda | Pilot | N/A | Auxiliary |
| 2015 | Acura | MDX | N/A | Auxiliary |
| 2014 | Acura | MDX | N/A | Auxiliary |
* 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.