Global Parts 1712357 HVAC Mode Door Actuator

HVAC Mode Door Actuator for Main Climate Control

Global Parts 1712357 is an HVAC mode door actuator for the main climate control system. It controls vent direction as part of the vehicle’s temperature and airflow management, helping the system route air where the driver selects. This part number 1712357 is a direct-fit style replacement for select Hummer, Saturn, and Pontiac applications.

Key Features

• HVAC mode door actuator for main system vent control
• Supports climate settings by moving the mode door to selected outlets
• Used in vehicles where the HVAC system directs air through dash, floor, or defrost outlets
• Cross-references Dorman OE Solutions 604-188 and Four Seasons 73188 for the same application
• Part number 1712357 for easy identification and ordering

Detailed Description

Global Parts 1712357 is built for vehicles that use an electronically controlled HVAC actuator to position the mode door. In the climate control system, the blend door manages air temperature, the mode door selects the vent path, and the recirculation function controls cabin air intake. This actuator is used to restore proper airflow direction in the main HVAC system on select Hummer H3, Hummer H3T, Saturn Sky, and Pontiac Solstice models. If your vehicle is sending air to the wrong vents or not responding to mode changes, this HVAC mode door actuator is the replacement to inspect.

Vehicle Fitment

• Fits 2006-2010 Hummer H3, N/A — Blend Door Actuator; Main
• Fits 2006-2010 Hummer H3, N/A — Mode Door Actuator for main HVAC system.
• Fits 2009-2010 Hummer H3T, N/A — Mode Door Actuator for main HVAC system.
• Fits 2009-2010 Hummer H3T, N/A — Blend Door Actuator; Main
• Fits 2007-2010 Saturn Sky, N/A — Blend Door Actuator; Main
• Fits 2007-2010 Saturn Sky, N/A — Mode Door Actuator for main HVAC system.
• Fits 2006-2009 Pontiac Solstice, N/A — Mode Door Actuator for main HVAC system.
• Fits 2006-2009 Pontiac Solstice, N/A — Blend Door Actuator; Main

Common Symptoms This Part May Address

• Airflow stuck on one vent setting
• No response when switching between dash, floor, and defrost modes
• Incorrect air distribution from the HVAC system
• Climate control actuator noise or inconsistent movement
• Loss of proper vent selection in the main HVAC system

Installation Notes

Verify the actuator location and function before replacement, since the same vehicle may use separate blend and mode actuators. Confirm the connector style and mounting position against the original unit on your Hummer H3, Hummer H3T, Saturn Sky, or Pontiac Solstice. After installation, cycle the HVAC controls to allow the system to relearn actuator position if required by the vehicle.

Quality Assurance

Global Parts supplies replacement HVAC components for select OE-style applications. Part number 1712357 is listed with established interchange references, including Dorman OE Solutions 604-188 and Four Seasons 73188, to help confirm application matching.