Blend Door Actuator AA5Z19E616A Directfit replacement compatible with 20112017 model 604228 and part number 4F2Z19E616FA What it does Controls the HVAC blend door to regulate cabin temperature and airflow distribution. Replaces a failed or noisy actuator to restore accurate temperature mixing and climate control function. Key benefits Restores proper temperature control and consistent cabin comfort. Eliminates common symptoms of a failing actuator, such as repeated clicking, inability to change temperature, or uneven airflow. Directfit replacement for the listed part numbers for straightforward installation. Built for reliable, quiet operation to reduce distraction while driving. Compatibility and specifications Part number AA5Z19E616A compatible with 20112017 vehicles using model 604228 and part 4F2Z19E616FA. Designed as a replacement component that matches original mounting points and connector locations for compatibility with the specified models. Compact actuator size fits within the HVAC housing without modification. Performance and construction Precision control of the blend door mechanism helps maintain consistent cabin temperatures. Constructed to meet the mechanical and electrical requirements of the original application for dependable operation under normal vehicle conditions. Smooth and quiet actuation reduces noise commonly associated with worn components. Practical applications and use scenarios a malfunctioning actuator that produces clicking noises and prevents temperature adjustments to restore proper HVAC function. Install during HVAC repairs or when replacing other ducts and components to ensure the climate system operates correctly. Use as a scheduled maintenance part for fleet vehicles from 20112017 to reduce downtime caused by climate control failures. Installation notes Designed for direct replacement; follow vehicle service procedures for access and removal. Refer to the vehicle service manual for any calibration or setup steps that may be required after installation. Includes One blend door actuator AA5Z19E616A compatible with model 604228 and part 4F2Z19E616FA.