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Four Seasons 73304 HVAC Blend Door Actuator - Auxiliary
Reliable HVAC Blend Door Actuator for Infiniti and Mazda Models
The Four Seasons Air Door Actuator 73304 is designed to restore precise control of your vehicle's HVAC system. Engineered for select Infiniti and Mazda models, this HVAC blend door actuator ensures smooth operation of air distribution within the cabin.
- Compatible with Infiniti M35h, M37, M56, Q70, Q70L and Mazda CX-9
- HVAC blend door actuator style with male door linkage
- Equipped with 4 mounting ears for secure installation
- Features 5 terminal pins for reliable electrical connection
- Part number 73304 for accurate identification and fitment
Product Details and Specifications
This Four Seasons Air Door Actuator 73304 is a direct replacement part designed to control the blend door within the HVAC system. The actuator’s male door linkage interfaces precisely with the HVAC system’s internal components, allowing for accurate modulation of airflow temperature and direction. The actuator includes four mounting ears, providing a stable and secure fit within the HVAC housing. Its five terminal pins ensure consistent electrical connectivity, supporting reliable operation over time.
About the Four Seasons Air Door Actuator Product Line
The Air Door Actuator line by Four Seasons focuses on delivering dependable HVAC components that maintain proper climate control functionality. This product line includes actuators engineered to meet OEM specifications for various vehicle makes and models, including Infiniti and Mazda. The 73304 actuator is part of this line, offering a precise fit and consistent performance to help maintain your vehicle’s interior comfort systems.
Common HVAC Issues Addressed by This Actuator
- Inconsistent or incorrect cabin temperature regulation
- Failure of air blend door to move or respond
- Unusual noises from the HVAC system during operation
- Loss of airflow control between heating and cooling modes
- Intermittent or complete HVAC system malfunction related to door actuation
Installation Notes and Tips
- Ensure vehicle compatibility with Infiniti M35h, M37, M56, Q70, Q70L or Mazda CX-9 before installation
- Disconnect the battery prior to actuator replacement to prevent electrical shorts
- Carefully remove the old actuator and note the orientation of the male door linkage
- Secure the new actuator using all four mounting ears for proper fitment
- Verify electrical connections on the five terminal pins are secure before reassembly
Quality Assurance and Warranty Information
Four Seasons manufactures the Air Door Actuator 73304 to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by Four Seasons’ warranty coverage, providing confidence in its long-term operation when installed according to manufacturer guidelines.
| Brand | Four Seasons |
| Part Number | 73304 |
| Position | Air Door Actuator, Auxiliary |
| Door Linkage | Male |
| Mounting Ear Qty. | 4 |
| Style | HVAC Air Door Actuator |
| Terminal Pin Qty. | 5 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | INFINITI | Q70 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2019 | INFINITI | Q70L | Auxiliary | Center Console For 2nd Row Climate Control |
| 2018 | INFINITI | Q70 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2018 | INFINITI | Q70L | Auxiliary | Center Console For 2nd Row Climate Control |
| 2017 | INFINITI | Q70 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2017 | INFINITI | Q70L | Auxiliary | Center Console For 2nd Row Climate Control |
| 2016 | INFINITI | Q70 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2016 | INFINITI | Q70L | Auxiliary | Center Console For 2nd Row Climate Control |
| 2015 | INFINITI | Q70 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2015 | INFINITI | Q70L | Auxiliary | Center Console For 2nd Row Climate Control |
| 2015 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2014 | INFINITI | Q70 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2014 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2013 | INFINITI | M35h | Auxiliary | Center Console For 2nd Row Climate Control |
| 2013 | INFINITI | M37 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2013 | INFINITI | M56 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2013 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2012 | INFINITI | M35h | Auxiliary | Center Console For 2nd Row Climate Control |
| 2012 | INFINITI | M37 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2012 | INFINITI | M56 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2012 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2011 | INFINITI | M37 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2011 | INFINITI | M56 | Auxiliary | Center Console For 2nd Row Climate Control |
| 2011 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2010 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2009 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2008 | Mazda | CX-9 | Auxiliary | Air Door Actuator |
| 2007 | Mazda | CX-9 | 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.