Dorman 604-323 HVAC Blend Door Actuator - Main

Overview of Dorman HVAC Blend Door Actuator 604-323

The Dorman HVAC Blend Door Actuator 604-323 is designed for precise control of airflow temperature in Hyundai and Kia vehicles. This rotary switch actuator ensures reliable operation in HVAC systems for models like the Sportage and Tucson.

• Rotary switch activation type for smooth temperature adjustment
• Five female blade terminals for secure electrical connections
• Durable plastic construction for long-lasting performance
• Compatible with Hyundai Sportage and Kia Tucson HVAC systems
• Includes one air door actuator per package

Detailed Product Description

This HVAC blend door actuator from Dorman features a rotary switch activation type, allowing for accurate modulation of the blend door position within the heating and cooling system. The actuator is equipped with five female blade terminals, providing a reliable electrical interface that matches factory specifications. Constructed from durable plastic, the actuator is engineered to withstand the temperature fluctuations and mechanical stresses typical in automotive HVAC environments. The part number 604-323 is specifically designed to fit Hyundai Sportage and Kia Tucson models, ensuring compatibility and ease of installation.

Common Applications and Problem Resolution

This blend door actuator is used to control the mix of hot and cold air in the vehicle’s HVAC system. It addresses several common issues, including:

• Inconsistent cabin temperature due to blend door malfunction
• Unresponsive or stuck HVAC temperature controls
• Unusual noises from the HVAC system indicating actuator failure
• Failure to switch between heating and cooling modes properly
• Electrical connection problems related to terminal wear or damage

Installation Notes and Tips

• Ensure the vehicle is compatible: Hyundai Sportage or Kia Tucson models
• Disconnect the battery before installation to prevent electrical shorts
• Carefully remove the old actuator to avoid damaging the blend door mechanism
• Verify the five female blade terminals align correctly with the vehicle wiring harness
• Test the actuator operation before reassembling the dashboard components

Quality Assurance and Warranty

Dorman manufactures this HVAC blend door actuator to meet or exceed OEM standards for fit, form, and function. The plastic housing and electrical terminals are designed for durability and consistent performance. Part number 604-323 is backed by Dorman’s quality assurance processes. Please refer to Dorman’s official warranty policy for specific coverage details.