- Product: HVAC Blend Door Actuator - Part Numbers: 79140-SNA-A01, 79140SNAA01, 604-879, 604879 - Material: Constructed from durable ABS plastic and metal, this blend door actuator is rigorously tested for vehicle compatibility, ensuring safety and reliability during operation. Trust in a product designed for your peace of mind. - Key Functions: This actuator plays a crucial role in regulating airflow and temperature from the HVAC system into your vehicle's cabin. It effectively circulates air, adjusting temperature settings for both the driver and passenger sides, enhancing comfort during every drive. - When to Replace: Consider replacing your actuator if you experience: - Reduced airflow from the vents - Unusual noises when the actuator operates - Inability to adjust temperature or ventilation in your HVAC system - Application Scenarios: 1. Ideal for vehicle owners seeking to restore optimal climate control after noticing airflow issues. 2. Perfect for DIY enthusiasts looking to upgrade or replace malfunctioning HVAC components for improved cabin comfort. 3. A reliable solution for mechanics aiming to ensure customer satisfaction with effective temperature regulation during repairs. This HVAC blend door actuator is essential for maintaining a comfortable driving experience. Ensure your HVAC system operates efficiently with this reliable replacement component.