Four Seasons 73313 HVAC Blend Door Actuator - Left Main

Four Seasons 73313 HVAC Air Door Actuator

The Four Seasons 73313 HVAC blend door actuator is a direct-fit air door actuator for select Infiniti applications. It is built with a male door linkage, 4 mounting ears, and a 5-pin terminal layout for the specified HVAC position.

Four Seasons Air Door Actuator components are used to restore controlled airflow inside the climate system. This part number 73313 is listed for the left main position on select Infiniti Q70, Q70L, M35h, M37, and M56 models.

Key Features

• HVAC air door actuator for blend door control
• Male door linkage for the specified application
• 4 mounting ears for secure installation
• 5 terminal pins for the correct electrical connection
• Direct replacement part number 73313
• Fits left main HVAC position on select Infiniti vehicles

Fitment Details

• Fits 2014-2019 INFINITI Q70, left main
• Fits 2015-2019 INFINITI Q70L, left main
• Fits 2012-2013 INFINITI M35h, left main
• Fits 2011-2013 INFINITI M37, left main
• Fits 2011-2013 INFINITI M56, left main

What This Part Helps Address

• Temperature changes that do not respond correctly to HVAC controls
• Airflow stuck on one vent or one temperature setting
• Clicking or repeated movement from the dash HVAC area
• Inconsistent left-side climate output in the vehicle cabin
• Blend door positioning faults tied to actuator wear

Installation Notes

Verify the connector style, mounting ear layout, and left main position before installation. Confirm the vehicle year, make, and model against the listed fitment for Infiniti Q70, Q70L, M35h, M37, and M56 applications. Part number 73313 is also referenced by 277321MA1A, A60313, BDAC1283, and MT18868 for the same application.

Quality Assurance

Four Seasons supplies HVAC replacement components for service and repair use. This actuator is identified by the Four Seasons brand line Air Door Actuator and is cataloged for the specified OE-style fitment.