Dorman 604-875 HVAC Blend Door Actuator - Left Main

Overview of Dorman HVAC Blend Door Actuator 604-875

The Dorman HVAC Blend Door Actuator 604-875 is designed to restore proper airflow control in Acura and Honda vehicles. This actuator features a rotary switch activation type and is engineered to meet the specific HVAC needs of models like the Honda Odyssey, TL, and ZDX.

• Rotary switch activation for precise airflow control
• 7-pin male terminal configuration for secure electrical connection
• Durable plastic construction for reliable operation
• Includes one air door actuator per package

Technical Details and Features

This HVAC blend door actuator from Dorman operates using a rotary switch activation type, allowing smooth and accurate adjustment of the blend door position. It connects via a 7-terminal male pin connector, ensuring compatibility with the vehicle’s existing wiring harness. The actuator’s plastic housing is designed to withstand typical HVAC system conditions without compromising performance. The part number 604-875 corresponds specifically to this actuator model, which is compatible with select Acura and Honda vehicles.

Compatible Vehicles and Applications

This actuator is compatible with the following makes and models:

• Acura TL
• Acura ZDX
• Honda Odyssey

Use of the Dorman 604-875 HVAC blend door actuator ensures proper climate control functionality in these vehicles by regulating the mix of hot and cold air inside the cabin.

Common Issues Resolved by This Actuator

• Inconsistent or incorrect cabin temperature regulation
• Unresponsive or stuck blend door movement
• HVAC system producing only hot or cold air regardless of settings
• Audible clicking noises from the dashboard area during HVAC operation
• Failure of the blend door to adjust airflow direction properly

Installation Notes and Tips

• Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts
• Access the blend door actuator by removing the appropriate dashboard panels as outlined in the vehicle service manual
• Verify the 7-pin male terminal connector matches the vehicle wiring harness before securing the actuator
• Test actuator operation after installation to confirm proper blend door movement and HVAC function

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit and function. The 604-875 HVAC blend door actuator undergoes quality control testing to ensure reliable performance in Acura and Honda vehicles. Warranty coverage details should be confirmed through the product documentation or manufacturer resources.