Four Seasons 73190 HVAC Blend Door Actuator - Right Main

Four Seasons 73190 Air Door Actuator

Four Seasons 73190 is an HVAC blend door actuator for the right main air door position. It is built with an arm-style door linkage, 4 mounting ears, and a 5-pin terminal layout for direct replacement in the specified applications.

Compatible with Chevrolet Caprice, Chevrolet SS, and Pontiac G8 HVAC systems, this Four Seasons Air Door Actuator helps restore proper air distribution control in the cabin. The Four Seasons Air Door Actuator line focuses on replacement components for heating and air conditioning doors, making 73190 a practical choice when the original actuator no longer responds correctly.

Key Features

• HVAC blend door actuator for the right main position
• Arm-style door linkage for the listed applications
• 4 mounting ears for secure installation
• 5-terminal pin configuration
• Direct replacement part number 73190
• Cross-references Global Parts Distributors LLC 1712289 for the same application

Detailed Description

This HVAC blend door actuator is used to control the movement of the air door inside the heating and air conditioning case. In Chevrolet Caprice and Chevrolet SS models, as well as Pontiac G8 applications, the actuator helps direct airflow for temperature and mode changes at the right main air door location. Part number 73190 is a fitment-specific replacement for 2011-2017 Chevrolet Caprice, 2014-2017 Chevrolet SS, and 2008-2009 Pontiac G8.

When the original actuator wears out or loses calibration, cabin airflow control can become inconsistent. Four Seasons 73190 provides the correct linkage style, mounting pattern, and terminal count for the listed vehicles, supporting a proper repair on the HVAC blend door system.

Common Problems This Part Can Address

• Incorrect air temperature from the vents
• Airflow stuck on one vent mode
• Clicking or ticking noises from the dash HVAC area
• Loss of response when changing climate control settings
• Uneven cabin comfort on the right main air door circuit

Installation Notes and Tips

Verify the vehicle’s HVAC actuator location before installation and confirm the connector, mounting ears, and linkage style match the original unit. After replacement, cycle the climate control system to allow the actuator to relearn its position if required by the vehicle. For best results, inspect the blend door and surrounding HVAC components for binding or damage before installing the new actuator.

Quality Assurance

Four Seasons supplies HVAC replacement parts for repair applications, and this actuator is built to match the specified fitment and electrical configuration for the listed vehicles.