Four Seasons 73632 HVAC Recirculation Door Actuator

HVAC Recirculation Door Actuator for Nissan and INFINITI

The Four Seasons 73632 HVAC recirculation door actuator restores control of the air door that directs cabin airflow in the heating and air conditioning system. Built for select Nissan and INFINITI applications, it is a direct-fit replacement for vehicles such as the Nissan Murano, TITAN, TITAN XD, Maxima, Pathfinder, Altima, and INFINITI QX60.

Four Seasons backs this part with more than 50 years of mobile A/C experience and tests its products for dependable operation over time. If your climate control system is stuck on recirculation or fresh air, this actuator is a practical replacement for the original unit.

Key Features

• HVAC air door actuator for recirculation door control
• Male door linkage for proper actuator-to-door engagement
• 4 mounting ears for secure installation
• 3-terminal pin electrical connection
• Direct replacement for Four Seasons 73632
• Cross-reference part number: 277303KA0A

Detailed Description

The Four Seasons 73632 is an HVAC air door actuator used to move the recirculation door inside the climate control housing. It is built for select Nissan and INFINITI models, including 2014-2020 INFINITI QX60, 2013-2020 Nissan Pathfinder, 2013-2017 Nissan Altima, 2015-2024 Nissan Murano, 2017-2024 Nissan TITAN, 2016-2024 Nissan TITAN XD, 2016-2023 Nissan Maxima, and 2013 INFINITI JX35. This part number is also referenced as 73632 in Four Seasons catalogs.

Use this actuator when the recirculation door needs accurate movement to help the HVAC system switch between outside air and cabin air. The design details, including the male linkage, 4 mounting ears, and 3-pin terminal layout, support OE-style replacement on the listed applications.

What It May Fix

• Recirculation door stuck in one position
• HVAC system that will not switch between fresh air and recirculated air
• Improper airflow routing through the climate control system
• Clicking or inconsistent actuator movement behind the dash
• Loss of cabin air control on select Nissan Murano, Pathfinder, and Maxima models

Installation Notes and Tips

Verify the original actuator connector, linkage style, and mounting ear layout before installation. This part is intended for the listed vehicle applications and positions shown in the fitment data, so confirm the vehicle year and model match exactly. After installation, cycle the HVAC controls to allow the system to relearn door position if required by the vehicle.

Quality Assurance

Four Seasons engineers and tests its HVAC components for long-term operation, drawing on more than 50 years of mobile air conditioning experience. The 73632 is built as a replacement part for the listed Nissan and INFINITI applications and is supported by Four Seasons product development standards.