Dorman 604-939 HVAC Blend Door Actuator - Main

Brand Dorman 604-939
Position Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Terminal Gender Female
Terminal Quantity 5
Terminal Type Pin
Fits Honda · 7 vehicles

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

Rotary design. Uses a rotary switch activation for smooth HVAC control.

Plastic housing. Lightweight construction with a 5-pin female terminal connection.

Cross-references 79160S5AA01 and ADS4323 for the same application. See all 2.

$41.87Free 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 $41.87
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 604-939 HVAC Blend Door Actuator

Dorman 604-939 is a heater blend door actuator engineered to match the fit and function of the original HVAC actuator on select Honda applications. It uses a rotary switch activation design with a 5-pin female terminal connection for direct replacement service.

Key Features

  • Precision-engineered HVAC blend door actuator for temperature control operation
  • Rotary switch activation type
  • 5-pin female terminal design
  • Plastic housing construction
  • Direct replacement for select Honda CR-V and Honda Civic applications
  • Cross-references Monroe Shocks & Struts 79160S5AA01 and ADS4323 for the same application

Detailed Description

This Dorman HVAC blend door actuator, part number 604-939, is built for temperature control in the HVAC system by moving the blend door to regulate air temperature. It is a direct-fit replacement for 2003-2006 Honda CR-V, Main, Temperature; Part Produced In Japan; Packaging Type: Box, and 2003-2005 Honda Civic, Main, Temperature control HVAC blend door actuator for box packaging. If you are searching for a Honda CR-V blend door actuator or a Honda Civic HVAC temperature actuator, 604-939 is the replacement part to compare against the original unit.

What It Helps Fix

  • Inconsistent cabin temperature control
  • HVAC air stuck on hot or cold
  • Blend door movement failure
  • Temperature adjustment response problems
  • HVAC actuator noise or loss of function

Installation Notes and Tips

Verify the original actuator connector, terminal count, and mounting location before installation. This part uses a rotary activation design with a female 5-pin terminal layout, so matching the OE connector and position is important for proper operation. Confirm vehicle application by year, make, model, and HVAC position before replacing the unit.

Quality Assurance

Dorman designs this HVAC heater blend door actuator to match the quality and performance of the original part on specific vehicle applications. Part number 604-939 is built as an OE-style replacement for select Honda HVAC systems.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006HondaCR-VMainTemperature; Part Produced In Japan; Packaging Type: Box
2005HondaCivicMainTemperature control HVAC blend door actuator for box packaging.
2005HondaCR-VMainTemperature; Part Produced In Japan; Packaging Type: Box
2004HondaCivicMainTemperature control HVAC blend door actuator for box packaging.
2004HondaCR-VMainTemperature; Part Produced In Japan; Packaging Type: Box
2003HondaCivicMainTemperature control HVAC blend door actuator for box packaging.
2003HondaCR-VMainTemperature; Part Produced In Japan; Packaging Type: Box
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
79160S5AA01ADS4323