Four Seasons 73422 HVAC Mode Door Actuator

Four Seasons 73422 HVAC Air Door Actuator

The Four Seasons 73422 HVAC mode door actuator controls air door movement inside the climate system for precise airflow direction. It is built with a female door linkage, 3 mounting ears, and a 5-terminal pin connector for applications that require this configuration.

Use this Four Seasons Air Door Actuator when servicing HVAC systems on select Dodge Hornet, Jeep Renegade, Jeep Compass, Fiat 500X, Fiat 500, and Fiat 500L models. The Four Seasons 73422 is a direct-fit HVAC mode door actuator for vehicles that need accurate blend or mode door control.

Key Features

• HVAC air door actuator for mode door control
• Female door linkage for the specified actuator connection
• 3 mounting ears for secure installation alignment
• 5-terminal pin electrical connection
• Four Seasons part number 73422
• Cross-reference part numbers include 604019 and 68266034AA

Detailed Description

This Four Seasons Air Door Actuator is engineered for HVAC systems that rely on electronic door movement to route cabin air. It is listed for 2023-2024 Dodge Hornet, 2021-2023 Jeep Renegade, 2018-2021 Jeep Compass, 2016-2021 Fiat 500X, 2015-2020 Jeep Renegade, 2016-2018 Fiat 500, and 2016-2018 Fiat 500L applications. The part number 73422 should be matched to the original connector style, linkage type, and mounting layout before installation.

Four Seasons markets the Air Door Actuator line for HVAC service applications where accurate door positioning is needed to manage airflow through the dash vents, defrost outlets, or temperature blend path. For Dodge Hornet, Jeep Renegade, and Jeep Compass HVAC repairs, this actuator provides a cataloged replacement option for the original mode door unit.

What It Helps Fix

• Airflow stuck on one vent setting
• Loss of control between panel, floor, and defrost modes
• Clicking or repeated movement from a worn actuator gear
• Inconsistent cabin air direction
• HVAC mode door response problems tied to actuator failure

Installation Notes and Tips

Verify the connector, female linkage, 3-ear mounting pattern, and 5-pin terminal layout against the original unit before replacement. On Jeep Renegade, Fiat 500X, and related models, access may require removal of interior trim panels or HVAC housing covers. After installation, cycle the HVAC controls to confirm proper mode door movement and full range operation.

Quality Assurance

Four Seasons supplies HVAC service parts for OE-style replacement needs, and this actuator is cataloged under part number 73422 for the listed vehicle applications. Confirm fitment by year, make, model, and actuator configuration before ordering.