Four Seasons 73772 HVAC Mode Door Actuator
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Four Seasons

Four Seasons 73772 HVAC Mode Door Actuator

Brand Four Seasons 73772
Door Linkage Arm
Style Hvac air door actuator
Terminal Pin Qty. 5
Fits Mazda · 4 vehicles

Direct-fit replacement. HVAC air door actuator for restoring climate control function.

Arm-style linkage. Built with a 5-pin terminal layout for controlled actuator movement.

Four Seasons engineering. Backed by decades of mobile A/C experience and tested for operation.

Cross-references Four Seasons 73772 and BBM561A70 for the same application. See all 2.

$43.39Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

HVAC Mode Door Actuator Overview

The Four Seasons 73772 HVAC mode door actuator is a direct-fit replacement for the heater unit in compatible Mazda 3 applications. It is built as an HVAC air door actuator with an arm-style linkage and a 5-pin terminal layout for controlled air distribution inside the climate system.

Key Features

  • HVAC air door actuator for climate control repair
  • Arm-style door linkage for actuator operation
  • 5-terminal pin configuration
  • Fits 2010-2013 Mazda 3, heater unit
  • Four Seasons part number 73772

Detailed Description

Four Seasons 73772 is an HVAC mode door actuator used to move the air door inside the heater unit and direct airflow through the selected vents. This part is relevant when the climate system no longer changes modes correctly, the airflow stays stuck on one setting, or the actuator produces inconsistent movement. It fits 2010-2013 Mazda 3 models for the heater unit and is identified by part number 73772. This part cross-references BBM561A70 for the same application.

Common Repair Symptoms

  • Airflow remains stuck on one vent setting
  • Mode changes do not respond correctly
  • HVAC door movement becomes inconsistent
  • Climate control output is not directed as selected

Installation Notes

Verify the actuator style, door linkage type, and terminal count before installation. Confirm the heater unit application on the vehicle and compare the original connector and mounting points to the replacement part. For best results, inspect the HVAC door movement and related controls before final assembly.

Quality Assurance

Four Seasons draws on more than 50 years of mobile A/C experience and states that its products are engineered and tested for long service life and dependable operation.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2013Mazda3For Heater Unit
2012Mazda3For Heater Unit
2011Mazda3For Heater Unit
2010Mazda3For Heater Unit
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 73772BBM561A70