Global Parts 1712319 HVAC Blend Door Actuator

HVAC Blend Door Actuator for Select GM Vehicles

Global Parts 1712319 is an HVAC blend door actuator that adjusts to the selected climate setting by moving the blend door to regulate air temperature. It is built for passenger-side applications on select Buick Lucerne and Cadillac DTS models with the L-shaped actuator arm shown in the product image.

• HVAC blend door actuator for temperature control
• Passenger-side application with L-shaped actuator arm attached
• Direct-fit replacement for select 2006-2011 Buick Lucerne and Cadillac DTS models
• Cross-references Dorman OE Solutions 604-149 and Four Seasons 73162 for the same application
• Global Parts part number 1712319

How This Actuator Works

The blend door actuator is part of the vehicle’s climate control system and moves the blend door to manage cabin air temperature. In HVAC systems like those used in the Buick Lucerne and Cadillac DTS, actuator movement helps direct airflow based on the selected settings. Global Parts 1712319 is intended for the passenger-side blend door position and should be matched to the actuator arm style shown before installation.

Common HVAC Problems It Can Address

• Inconsistent cabin temperature from the vents
• Temperature stuck on hot or cold
• Clicking or ticking noises from the dash HVAC area
• Loss of proper blend door movement
• Climate control response that does not match the selected setting

Installation Notes

Verify the vehicle year, make, model, and passenger-side configuration before ordering. Compare the existing actuator to the product image to confirm the L-shaped actuator arm attachment and mounting style. For best results, inspect the HVAC door operation and related electrical connectors during replacement.

Quality Assurance

Global Parts 1712319 is an OE-style HVAC replacement part for confirmed applications in 2006-2011 Buick Lucerne and 2006-2011 Cadillac DTS models. Part number 1712319 is listed with established interchange references for the same fitment.