Autotecnica GM0618223 HVAC Blend Door Actuator - Auxiliary

HVAC Blend Door Actuator for GM Applications

Autotecnica GM0618223 is an HVAC blend door actuator for auxiliary climate control systems in select Buick, Chevrolet, GMC, and Saturn vehicles. It is built to meet OEM-style specifications for direct replacement service in the HVAC system.

• HVAC blend door actuator for auxiliary position applications
• Black housing with 5-pin terminal configuration
• OE-style replacement for climate control door movement
• Autotecnica part number GM0618223
• Cross-references Dorman OE Solutions 604-141 for the same application

Fitment Details

• Fits 2008-2012 Buick Enclave, Auxiliary; Black; Terminal Type: Pin; Terminal Quantity: 5
• Fits 2009-2012 Chevrolet Traverse, Auxiliary; Black; Terminal Type: Pin; Terminal Quantity: 5
• Fits 2007-2012 GMC Acadia, Auxiliary; Black; Terminal Type: Pin; Terminal Quantity: 5
• Fits 2007-2010 Saturn Outlook, Auxiliary; Black; Terminal Type: Pin; Terminal Quantity: 5

What It Helps Fix

• Inconsistent cabin temperature from a stuck blend door
• No response when changing auxiliary air temperature settings
• Clicking or ticking noises from the HVAC case
• Airflow that stays hot or cold instead of blending properly
• Loss of proper auxiliary climate control operation

Installation Notes

Verify the connector style, terminal count, and auxiliary position before installation. Compare the original actuator to Autotecnica GM0618223 to confirm housing shape and electrical connection match the vehicle’s HVAC system. After installation, cycle the climate controls to confirm smooth door movement and proper temperature blending.

Quality Assurance

Autotecnica manufactures aftermarket parts under ISO/TS 16949 quality management specifications and backs this part with a two-year, unlimited mileage warranty.