HomeHVAC > Temperature Controls and Related ComponentsFour Seasons 73313 HVAC Blend Door Actuator - Left Main
Part #: 73313

Four Seasons 73313 HVAC Blend Door Actuator - Left Main

Air Door Actuator, Left Main
⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Air Door Actuator, Left Main
🚗Fitment: INFINITI, Q70, Q70L, M35h, M37, and M56
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Four Seasons Air Door Actuator 73313

The Four Seasons Air Door Actuator 73313 is designed to restore proper HVAC airflow control in select Infiniti models. This HVAC blend door actuator ensures precise operation of the air door linkage, maintaining optimal cabin temperature regulation.

  • Compatible with Infiniti M35h, M37, M56, Q70, and Q70L models
  • HVAC blend door actuator style for accurate air distribution
  • Features a male door linkage for secure connection
  • Equipped with 4 mounting ears for stable installation
  • Includes 5 terminal pins for reliable electrical connectivity

Product Line Details: Four Seasons Air Door Actuator

The Four Seasons Air Door Actuator product line focuses on HVAC components that regulate airflow within vehicle climate control systems. The 73313 actuator is part of this line, engineered to provide consistent and responsive control of blend doors, which adjust the mix of hot and cold air inside the cabin. This ensures that the HVAC system functions efficiently and maintains driver and passenger comfort.

Technical Description and Attributes

This HVAC blend door actuator features a male door linkage, which interfaces directly with the vehicle’s air door mechanism. The actuator includes four mounting ears, providing a secure and stable fit within the HVAC housing. Its five terminal pins facilitate a dependable electrical connection, ensuring accurate signal transmission for door positioning. The actuator’s design matches the specifications required for Infiniti M35h, M37, M56, Q70, and Q70L models, making it a precise replacement part.

Common Applications and Problem Resolution

  • Restores proper airflow direction in HVAC systems
  • Eliminates inconsistent cabin temperature due to blend door failure
  • Resolves clicking or knocking noises from the HVAC system
  • Fixes issues with air not switching between vents correctly
  • Addresses HVAC system error codes related to door actuator malfunction

Installation Notes and Tips

When installing the Four Seasons Air Door Actuator 73313, ensure the male door linkage aligns correctly with the HVAC blend door mechanism. Use the four mounting ears to secure the actuator firmly in place. Verify that all five terminal pins are properly connected to avoid electrical faults. It is recommended to test the actuator operation before reassembling the dashboard components to confirm correct functionality.

Quality Assurance and Warranty

Four Seasons manufactures the Air Door Actuator 73313 to meet OEM standards for durability and performance. While specific warranty details may vary, Four Seasons typically offers coverage against defects in materials and workmanship. This ensures that the actuator maintains reliable operation throughout its service life when installed according to manufacturer guidelines.

BrandFour Seasons
Part Number73313
PositionAir Door Actuator, Left Main
Door LinkageMale
Mounting Ear Qty.4
StyleHVAC Air Door Actuator
Terminal Pin Qty.5

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
2019INFINITIQ70Left MainAir Door Actuator
2019INFINITIQ70LLeft MainAir Door Actuator
2018INFINITIQ70Left MainAir Door Actuator
2018INFINITIQ70LLeft MainAir Door Actuator
2017INFINITIQ70Left MainAir Door Actuator
2017INFINITIQ70LLeft MainAir Door Actuator
2016INFINITIQ70Left MainAir Door Actuator
2016INFINITIQ70LLeft MainAir Door Actuator
2015INFINITIQ70Left MainAir Door Actuator
2015INFINITIQ70LLeft MainAir Door Actuator
2014INFINITIQ70Left MainAir Door Actuator
2013INFINITIM35hLeft MainAir Door Actuator
2013INFINITIM37Left MainAir Door Actuator
2013INFINITIM56Left MainAir Door Actuator
2012INFINITIM35hLeft MainAir Door Actuator
2012INFINITIM37Left MainAir Door Actuator
2012INFINITIM56Left MainAir Door Actuator
2011INFINITIM37Left MainAir Door Actuator
2011INFINITIM56Left MainAir 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:

277321MA1A73313A60313BDAC1283MT18868

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