Four Seasons 73419 HVAC Blend Door Actuator - Right Main

Reliable HVAC Blend Door Actuator for Cadillac ATS and CTS

The Four Seasons Air Door Actuator 73419 is designed to restore precise airflow control in your Cadillac ATS or CTS HVAC system. This HVAC blend door actuator ensures smooth operation of the air door linkage, maintaining optimal cabin temperature and comfort.

• Brand: Four Seasons
• Brand Line: Air Door Actuator
• Part Number: 73419
• Door Linkage Type: Arm
• Mounting Ear Quantity: 4
• Terminal Pin Quantity: 5
• Style: HVAC air door actuator

Product Details and Specifications

The Four Seasons Air Door Actuator 73419 features an arm-style door linkage that provides reliable movement of the HVAC blend door within the climate control system. It mounts securely with four mounting ears, ensuring a stable fit in the HVAC housing. The actuator includes five terminal pins for electrical connection, compatible with the factory wiring harness of Cadillac ATS and CTS models. This actuator is engineered to meet the specific requirements of these vehicles, providing consistent performance and durability.

The Air Door Actuator product line from Four Seasons focuses on delivering precise control of HVAC air doors, which regulate airflow direction and temperature blend inside the vehicle cabin. This part line is designed to replace factory actuators that have failed or become unreliable, restoring proper HVAC function.

Common Applications and Problem Resolution

• Restores proper airflow direction control in Cadillac ATS and CTS HVAC systems
• Eliminates inconsistent cabin temperature due to faulty blend door movement
• Resolves clicking or knocking noises caused by worn or broken actuators
• Prevents HVAC system from blowing only hot or cold air
• Corrects issues with air distribution between vents

Installation Notes and Tips

When installing the Four Seasons Air Door Actuator 73419, ensure the actuator’s arm linkage aligns correctly with the blend door shaft. Secure the actuator using all four mounting ears to prevent movement or vibration. Verify the five terminal pins are properly connected to the vehicle’s wiring harness to ensure full electrical functionality. It is recommended to test the HVAC system operation before reassembling the dashboard components.

Quality Assurance and Warranty

Four Seasons manufactures the Air Door Actuator 73419 to meet or exceed OEM specifications for Cadillac ATS and CTS models. This part undergoes quality control testing to ensure reliable operation and durability. Please refer to Four Seasons’ warranty policy for coverage details on this HVAC blend door actuator.