Four Seasons 73537 HVAC Recirculation Door Actuator

HVAC Recirculation Door Actuator for Honda and Acura

The Four Seasons 73537 HVAC recirculation door actuator restores control of the air door that directs cabin air through the recirculation system. It is built and tested for dependable operation in Honda Pilot and Acura MDX applications, helping maintain proper HVAC airflow control.

Key Features

• HVAC air door actuator for recirculation door operation
• Cam-style door linkage for proper door movement
• 4 mounting ears for secure installation
• 7-terminal pin electrical connection
• Four Seasons part number 73537

Detailed Description

Four Seasons 73537 is an HVAC recirculation door actuator engineered for vehicles that use a cam linkage and a 7-pin connector. It is used to move the recirculation door inside the HVAC case, helping the system switch between outside air and recirculated cabin air. This part is a direct-fit style replacement for select 2007-2009 Acura MDX and 2009-2010 Honda Pilot models. This part cross-references Global Parts Distributors LLC 1712748 for the same application.

Compatible With 2009-2010 Honda Pilot and 2007-2009 Acura MDX applications that use the listed actuator style and connector configuration. Four Seasons 73537 is built from the company’s long-standing mobile A/C experience and is tested for consistent operation in HVAC service work.

Common Problems This Part Can Help Solve

• Recirculation door stuck in one position
• HVAC airflow not switching between fresh and recirculated air
• Clicking or binding from the dash HVAC case
• Loss of cabin air control through the recirculation setting
• Inconsistent actuator response from the climate control system

Installation Notes and Tips

Verify the connector style, terminal count, mounting ear layout, and cam linkage before installation. Confirm the vehicle application against the existing actuator and HVAC case design on your Honda Pilot or Acura MDX. After installation, cycle the climate control system to confirm smooth door movement and proper recirculation operation.

Quality Assurance

Four Seasons states that its HVAC products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience. Part number 73537 is built to support reliable HVAC service in the specified Honda and Acura applications.