Four Seasons 73278 HVAC Mode Door Actuator

Four Seasons 73278 Air Door Actuator Overview

Four Seasons 73278 is an HVAC mode door actuator for Volkswagen climate control systems. It uses a 5-pin terminal layout, a 3-ear mounting design, and an arm-style door linkage to move the air door that directs cabin airflow.

Compatible With Volkswagen Passat, Beetle, CC, and Passat CC applications where the listed HVAC configuration matches the vehicle.

Key Features

• Air door actuator for HVAC mode door control
• Arm-style door linkage for air door movement
• 3 mounting ears for secure installation
• 5 terminal pins for electrical connection
• Four Seasons Air Door Actuator product line
• Part number 73278 for identification and ordering

Detailed Product Description

Four Seasons 73278 is built for Volkswagen HVAC systems that use an air door actuator to route airflow through the dash vents, defrost outlet, or other cabin discharge paths. This part number 73278 is listed for 2012-2022 Volkswagen Passat applications, 2012-2019 Volkswagen Beetle front HVAC use, 2012-2018 Volkswagen Passat with dual zone climate control and defrost, 2014-2017 Volkswagen CC with dual zone climate control and defrost, 2012-2017 Volkswagen Passat front HVAC use, 2012-2016 Volkswagen CC front HVAC use, and 2012 Volkswagen Passat CC front HVAC use.

This part cross-references Global Parts Distributors LLC 1712759 for the same application.

What It Helps Fix

• Incorrect airflow direction between dash vents and defrost outlets
• Stuck or unresponsive HVAC mode door movement
• Loss of proper cabin air distribution in Volkswagen Passat, Beetle, or CC models
• Climate control systems that no longer switch modes correctly
• Airflow remaining in one position after mode changes

Installation Notes and Tips

Verify the vehicle year, model, and HVAC configuration before installation. This actuator is listed with arm linkage, 3 mounting ears, and 5 terminal pins, so connector style and mounting points should match the original unit. For Volkswagen Passat and Volkswagen CC applications with dual zone climate control or defrost functions, confirm the replacement matches the original mode door actuator location and function.

Quality Assurance

Four Seasons supplies HVAC components for replacement use, and this actuator is cataloged under the Four Seasons Air Door Actuator line for direct application matching. Use the part number 73278 and the vehicle fitment details to confirm the correct replacement before installation.