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Four Seasons 73434 HVAC Mode Door Actuator
Reliable HVAC Mode Door Actuator for Acura, Honda, and Subaru
The Four Seasons 73434 HVAC Mode Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Compatible with select Acura, Honda, and Subaru models, this actuator ensures precise operation of the HVAC air door for consistent cabin comfort.
- Female door linkage for secure connection
- Four mounting ears for stable installation
- Five terminal pins for reliable electrical connectivity
- HVAC air door actuator style for accurate mode control
Detailed Product Description
This HVAC Mode Door Actuator (part number 73434) from Four Seasons is engineered to control the position of the air door within the HVAC system, directing airflow to the desired vents. Featuring a female door linkage, it provides a secure mechanical connection to the HVAC system’s internal components. The actuator includes four mounting ears, which help ensure a firm and vibration-resistant fit during installation. With five terminal pins, it offers dependable electrical connections for consistent actuator performance. This part is compatible with Acura models such as the NSX and RLX, Honda HR-V, and Subaru Legacy and Outback vehicles, making it a suitable replacement for HVAC mode door actuators in these applications.
Common HVAC Issues Addressed by This Actuator
- Inability to switch between heating and cooling modes
- Airflow stuck in one vent position
- Unresponsive or intermittent HVAC mode changes
- Unusual noises from the HVAC system during mode changes
- Inconsistent cabin temperature control
Installation Notes and Tips
When installing the Four Seasons 73434 HVAC Mode Door Actuator, ensure the female door linkage aligns properly with the HVAC air door mechanism. Secure the actuator using all four mounting ears to prevent movement or vibration. Verify that all five terminal pins are correctly connected to the vehicle’s wiring harness to maintain electrical integrity. It is recommended to test the actuator operation before reassembling the dashboard or HVAC housing.
Quality Assurance and Warranty
Four Seasons manufactures this 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 | 73434 |
| Door Linkage | Female |
| Mounting Ear Qty. | 4 |
| Style | Hvac air door actuator |
| Terminal Pin Qty. | 5 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2022 | Honda | HR-V | N/A | |
| 2021 | Acura | NSX | N/A | |
| 2021 | Honda | HR-V | N/A | |
| 2020 | Acura | NSX | N/A | |
| 2020 | Acura | RLX | N/A | |
| 2020 | Honda | HR-V | N/A | |
| 2019 | Acura | NSX | N/A | |
| 2019 | Acura | RLX | N/A | |
| 2019 | Honda | HR-V | N/A | |
| 2018 | Acura | NSX | N/A | |
| 2018 | Acura | RLX | N/A | |
| 2018 | Honda | HR-V | N/A | |
| 2017 | Acura | NSX | N/A | |
| 2017 | Acura | RLX | N/A | |
| 2017 | Honda | HR-V | N/A | |
| 2017 | Subaru | Legacy | N/A | |
| 2017 | Subaru | Outback | N/A | |
| 2016 | Acura | RLX | N/A | |
| 2016 | Honda | HR-V | N/A | |
| 2016 | Subaru | Legacy | N/A | |
| 2016 | Subaru | Outback | N/A | |
| 2015 | Acura | RLX | N/A | |
| 2015 | Subaru | Legacy | N/A | |
| 2015 | Subaru | Outback | N/A | |
| 2014 | Acura | RLX | N/A |
* 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.