Dorman 604-279 HVAC Blend Door Actuator - Main
OE Quality 60-Day Returns
Dorman

Dorman 604-279 HVAC Blend Door Actuator - Main

Brand Dorman 604-279
Position Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Fits Ford · 10 vehicles

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

Rotary activation. Smoothly controls the blend door for consistent HVAC operation.

Plastic construction. Lightweight design for dependable actuator performance.

Cross-references Dayco 73057, TechSmart J04050 and 7C3Z19E616C for the same application. See all 5.

$37.10Free 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 $37.10
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 Ford Super Duty

Dorman 604-279 is an HVAC blend door actuator built for specific Ford truck applications that require outside air control. It uses a rotary switch activation design and a plastic housing to match the original actuator’s function and fit on the listed vehicles.

  • Rotary switch activation for HVAC air door control
  • Plastic construction for OE-style replacement fitment
  • Direct replacement for the blend door actuator on select Ford trucks
  • Fits 2008-2010 Ford F-250 Super Duty, Main
  • Fits 2008-2010 Ford F-350 Super Duty, Main
  • Fits 2008-2009 Ford F-250, Main
  • Fits 2008-2009 Ford F-350, Main

Detailed Product Overview

This HVAC blend door actuator is precision-engineered to match the quality and performance of the original unit on specific Ford F-250, Ford F-350, and Super Duty applications. Dorman 604-279 is used in the main HVAC position and is listed for vehicles requiring outside air, making it a direct-fit solution for restoring proper air door movement and cabin airflow control. This part cross-references Dayco 73057 for the same application.

Common Issues This Part Can Address

  • Incorrect cabin air temperature control
  • HVAC doors that do not respond to control inputs
  • Airflow stuck on one vent setting
  • Outside air intake not switching properly
  • Clicking or inconsistent actuator movement behind the dash

Installation Notes and Tips

Verify the vehicle year, make, model, and HVAC position before installation. This actuator is listed for the main position on 2008-2010 Ford F-250 Super Duty, 2008-2010 Ford F-350 Super Duty, 2008-2009 Ford F-250, and 2008-2009 Ford F-350. Confirm the original actuator uses rotary activation and compare the connector and mounting points before replacement.

Quality Assurance

Dorman manufactures this HVAC actuator as an OE-style replacement part for the listed Ford applications. The design is intended to match original performance and fit for dependable HVAC operation.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2010FordF-250 Super DutyMainFits vehicles requiring outside air, comes in a box.
2010FordF-350 Super DutyMainFits vehicles requiring outside air, comes in a box.
2009FordF-250MainFits vehicles requiring outside air, comes in a box.
2009FordF-250 Super DutyMainFits vehicles requiring outside air, comes in a box.
2009FordF-350MainFits vehicles requiring outside air, comes in a box.
2009FordF-350 Super DutyMainFits vehicles requiring outside air, comes in a box.
2008FordF-250MainFits vehicles requiring outside air, comes in a box.
2008FordF-250 Super DutyMainFits vehicles requiring outside air, comes in a box.
2008FordF-350MainFits vehicles requiring outside air, comes in a box.
2008FordF-350 Super DutyMainFits vehicles requiring outside air, comes in a box.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 73057TechSmart — J040507C3Z19E616CADS256APBDA0271