Dorman 604-364 HVAC Blend Door Actuator

Dorman 604-364 is a direct replacement HVAC blend door actuator for specific Toyota and Lexus applications. It restores proper air door movement so the climate control system can direct airflow and temperature as intended.

Key Features

• Direct replacement for the original air door actuator on listed vehicles
• Black body and black connector for OE-style fit and appearance
• Rotary switch activation with 5 terminals and 3 mounting holes
• Plastic construction with metal body material details listed for application reference
• Compact dimensions: 2.84 in. length, 2.76 in. width, 1.5 in. height
• Fits right main and main actuator positions, depending on vehicle application

Detailed Description

This HVAC blend door actuator is built for vehicles that use multiple air door actuators in different positions and functions. Dorman 604-364 is engineered to replace the original unit on select Lexus CT200h, Lexus HS250h, Toyota Prius, Toyota Prius Plug-In, Toyota Prius V, Toyota RAV4, and Toyota Corolla applications. For the correct repair, verify the actuator position and function against the application notes before ordering. This part cross-references 8710612170 for the same application.

What It Helps Fix

• Temperature blend doors that do not respond correctly
• Airflow stuck on one vent or one cabin zone
• HVAC systems that fail to change mode or temperature properly
• Clicking or inconsistent actuator movement behind the dash
• Loss of proper climate control operation in Toyota Prius, RAV4, Corolla, and Lexus CT200h applications

Installation Notes and Tips

• Confirm the exact actuator position before installation; many vehicles use more than one actuator.
• Review the vehicle-specific application notes to match the required main or right main position.
• Check connector style, terminal count, and mounting hole layout against the original part.
• If the position is unclear, consult a qualified service technician before replacing the unit.

Quality Assurance

Dorman designs replacement components to match the original parts function and application requirements for listed vehicles. Use the fitment data and position notes to verify the correct selection for your HVAC repair.