HomeHVAC > Temperature Controls and Related ComponentsFour Seasons 73304 HVAC Blend Door Actuator - Auxiliary
Part #: 73304

Four Seasons 73304 HVAC Blend Door Actuator - Auxiliary

Air Door Actuator, Auxiliary
⚙️ 28 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Air Door Actuator, Auxiliary
🚗Fitment: Mazda, CX-9
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandFour Seasons
Part Number73304
PositionAir Door Actuator, Auxiliary
Door LinkageMale
Mounting Ear Qty.4
StyleHVAC Air Door Actuator
Terminal Pin Qty.5

This part fits 28 vehicles. Search below:

YearMakeModelPositionNotes
2019INFINITIQ70AuxiliaryCenter Console For 2nd Row Climate Control
2019INFINITIQ70LAuxiliaryCenter Console For 2nd Row Climate Control
2018INFINITIQ70AuxiliaryCenter Console For 2nd Row Climate Control
2018INFINITIQ70LAuxiliaryCenter Console For 2nd Row Climate Control
2017INFINITIQ70AuxiliaryCenter Console For 2nd Row Climate Control
2017INFINITIQ70LAuxiliaryCenter Console For 2nd Row Climate Control
2016INFINITIQ70AuxiliaryCenter Console For 2nd Row Climate Control
2016INFINITIQ70LAuxiliaryCenter Console For 2nd Row Climate Control
2015INFINITIQ70AuxiliaryCenter Console For 2nd Row Climate Control
2015INFINITIQ70LAuxiliaryCenter Console For 2nd Row Climate Control
2015MazdaCX-9AuxiliaryAir Door Actuator
2014INFINITIQ70AuxiliaryCenter Console For 2nd Row Climate Control
2014MazdaCX-9AuxiliaryAir Door Actuator
2013INFINITIM35hAuxiliaryCenter Console For 2nd Row Climate Control
2013INFINITIM37AuxiliaryCenter Console For 2nd Row Climate Control
2013INFINITIM56AuxiliaryCenter Console For 2nd Row Climate Control
2013MazdaCX-9AuxiliaryAir Door Actuator
2012INFINITIM35hAuxiliaryCenter Console For 2nd Row Climate Control
2012INFINITIM37AuxiliaryCenter Console For 2nd Row Climate Control
2012INFINITIM56AuxiliaryCenter Console For 2nd Row Climate Control
2012MazdaCX-9AuxiliaryAir Door Actuator
2011INFINITIM37AuxiliaryCenter Console For 2nd Row Climate Control
2011INFINITIM56AuxiliaryCenter Console For 2nd Row Climate Control
2011MazdaCX-9AuxiliaryAir Door Actuator
2010MazdaCX-9AuxiliaryAir Door Actuator
2009MazdaCX-9AuxiliaryAir Door Actuator
2008MazdaCX-9AuxiliaryAir Door Actuator
2007MazdaCX-9AuxiliaryAir 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:

6044606564460173304BDAC1274MT18602TD1461A60

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.