Four Seasons 73305 HVAC Recirculation Door Actuator - Right Main

Four Seasons 73305 Air Door Actuator

Restore proper HVAC air distribution with the Four Seasons 73305 Air Door Actuator. This HVAC recirculation door actuator is built for Infiniti climate control systems that rely on precise door movement for cabin airflow management, including rear climate control and air-conditioned seat applications.

Four Seasons Air Door Actuator line components are made for direct-fit HVAC service, with the correct linkage style, terminal count, and mounting layout for the listed Infiniti applications. If your Infiniti Q70, Q70L, M35h, M37, or M56 has inconsistent airflow direction or recirculation control issues, this part number 73305 is the replacement to check.

Key Features

• Brand: Four Seasons
• Brand line: Air Door Actuator
• Part number: 73305
• HVAC recirculation door actuator for cabin air control
• Male door linkage for the specified HVAC door connection
• 5-terminal pin configuration
• 4 mounting ears for secure installation
• Direct replacement style for listed Infiniti HVAC applications

Detailed Description

The Four Seasons 73305 is an HVAC air door actuator used to move blend, recirculation, or distribution doors inside the climate control housing. It is specified with a male door linkage, 4 mounting ears, and a 5-pin terminal layout, making it a fitment-specific replacement for the factory actuator used in select Infiniti models. This part number 73305 is listed for 2011-2013 Infiniti M37 and M56, 2012-2013 Infiniti M35h, and 2014-2019 Infiniti Q70 and Q70L applications, including center console rear climate control and right main positions where noted.

This part cross-references Nissan/Infiniti OE numbers 277321MA0A and 277331MA0A for the same application.

What It Helps Fix

• Airflow stuck on one vent setting
• Recirculation door not responding to HVAC commands
• Uneven cabin temperature control
• Rear climate control airflow problems in center console systems
• HVAC actuator noise or erratic door movement

Installation Notes and Tips

Verify the actuator connector, linkage style, mounting ear layout, and terminal pin count before installation. Confirm the exact position on the vehicle, since this listing includes N/A and Right Main applications for different Infiniti HVAC configurations. After installation, cycle the climate control system to confirm smooth door movement and proper airflow direction.

Quality Assurance

Four Seasons HVAC components are cataloged for application-specific replacement service and are matched to the listed Infiniti fitments for proper form and function.