Dorman 604-946 HVAC Blend Door Actuator - Main
OE Quality 60-Day Returns
Dorman

Dorman 604-946 HVAC Blend Door Actuator - Main

Brand Dorman 604-946
Position Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Terminal Gender Male
Terminal Quantity 5
Terminal Type Pin
Fits Honda and Acura · 17 vehicles

OE direct replacement. Precision-engineered to match original quality and performance.

Rotary design. Smoothly controls HVAC blend door movement.

Plastic housing. Lightweight construction with a pin terminal connection.

Cross-references 79160S0XA01 and ADS4327 for the same application. See all 2.

$169.63Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $169.63
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Blend Door Actuator options

HVAC Blend Door Actuator for Honda and Acura

Dorman 604-946 is a heater blend door actuator built for specific Honda and Acura applications where precise cabin temperature control is needed. It uses a rotary switch activation design with a 5-pin male terminal layout and a plastic housing to match the original actuator style on the listed vehicles.

Compatible With 2003-2008 Honda Pilot, Main; 2002-2006 Acura MDX, Main; and 1999-2004 Honda Odyssey, Main. This Dorman 604-946 HVAC blend door actuator is a direct-fit replacement for temperature control issues tied to the main air door system.

Key Features

  • Rotary switch activation type for HVAC blend door operation
  • 5-pin male terminal configuration
  • Plastic construction for OE-style fit and function
  • Matches the original actuator design for listed Honda and Acura vehicles
  • Cross-reference part numbers include 79160S0XA01 and ADS4327

Detailed Description

This HVAC heater blend door actuator is precision-engineered to match the quality and performance of the original blend door actuator on specific vehicle years, makes, and models. It is used in the main temperature control HVAC blend door position and is built to restore proper movement of the air door inside the HVAC case. For buyers searching for a Honda Pilot blend door actuator, Acura MDX HVAC actuator, or Honda Odyssey temperature control actuator, Dorman 604-946 provides a direct replacement option.

The part number 604-946 is designed around the original electrical and mechanical interface, including the rotary activation style and pin-style terminals. That makes it a practical choice when replacing a worn or failed actuator in the HVAC system.

Common Issues This Part Can Solve

  • Cabin air stuck on hot or cold
  • Temperature changes that do not respond to control input
  • Clicking or ticking noises from behind the dash
  • Inconsistent airflow temperature from the main HVAC blend door
  • Blend door movement failure caused by a worn actuator motor or gears

Installation Notes and Tips

Verify the vehicle year, make, model, and main position before installation. Compare the connector style, terminal count, and actuator shape to the original unit to confirm a proper match. After installation, cycle the HVAC controls to allow the system to relearn actuator position if required by the vehicle.

Quality Assurance

Dorman designs this replacement actuator to align with original equipment quality and performance expectations for the listed applications. It is built for the specific Honda Pilot, Acura MDX, and Honda Odyssey fitments shown above.

Related reading

This part fits 17 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008HondaPilotMainTemperature control HVAC blend door actuator for box packaging.
2007HondaPilotMainTemperature control HVAC blend door actuator for box packaging.
2006AcuraMDXMainTemperature control HVAC blend door actuator for box packaging.
2006HondaPilotMainTemperature control HVAC blend door actuator for box packaging.
2005AcuraMDXMainTemperature control HVAC blend door actuator for box packaging.
2005HondaPilotMainTemperature control HVAC blend door actuator for box packaging.
2004AcuraMDXMainTemperature control HVAC blend door actuator for box packaging.
2004HondaOdysseyMainTemperature control HVAC blend door actuator for box packaging.
2004HondaPilotMainTemperature control HVAC blend door actuator for box packaging.
2003AcuraMDXMainTemperature control HVAC blend door actuator for box packaging.
2003HondaOdysseyMainTemperature control HVAC blend door actuator for box packaging.
2003HondaPilotMainTemperature control HVAC blend door actuator for box packaging.
2002AcuraMDXMainTemperature control HVAC blend door actuator for box packaging.
2002HondaOdysseyMainTemperature control HVAC blend door actuator for box packaging.
2001HondaOdysseyMainTemperature control HVAC blend door actuator for box packaging.
2000HondaOdysseyMainTemperature control HVAC blend door actuator for box packaging.
1999HondaOdysseyMainTemperature control HVAC blend door actuator for box packaging.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
79160S0XA01ADS4327