Dorman 604-944 HVAC Blend Door Actuator - Right Main

Overview of Dorman HVAC Blend Door Actuator 604-944

The Dorman HVAC Blend Door Actuator 604-944 is designed specifically for Lexus RX330 and RX350 models. This rotary switch actuator features a durable plastic construction and a 5-terminal blade connector, ensuring reliable operation within your vehicle's HVAC system.

• Rotary switch activation type for precise airflow control
• Five male blade terminals for secure electrical connections
• Durable plastic material designed for long-lasting performance
• Compatible with Lexus RX330 and RX350 HVAC systems
• Includes one air door actuator per package

Detailed Product Description

The Dorman 604-944 HVAC Blend Door Actuator is engineered to regulate the blend door within the heating, ventilation, and air conditioning system of Lexus RX330 and RX350 vehicles. Its rotary switch activation type allows for smooth and accurate adjustment of airflow temperature by controlling the position of the blend door. The actuator features five male blade terminals, providing a secure and reliable electrical connection to the vehicle's wiring harness. Constructed from durable plastic, this actuator is built to withstand the thermal and mechanical stresses typical in automotive HVAC environments.

Compatible Vehicles and Common Applications

This HVAC blend door actuator is compatible with the following Lexus models:

• Lexus RX330
• Lexus RX350

It is commonly used to address HVAC issues such as:

• Inconsistent cabin temperature control
• Failure to switch between hot and cold air
• Unusual noises from the HVAC system
• Non-responsive blend door movement
• Intermittent airflow problems

Installation Notes and Tips

• Ensure the vehicle ignition is off before installation
• Disconnect the battery to prevent electrical shorts
• Access the blend door actuator behind the dashboard on the passenger side
• Carefully disconnect the 5-terminal blade connector before removal
• Verify actuator alignment during installation to avoid binding

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications. The 604-944 blend door actuator undergoes rigorous quality control to ensure reliable performance in Lexus RX330 and RX350 HVAC systems. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.