Dorman 604-202 HVAC Blend Door Actuator - Auxiliary or Main

Brand Dorman 604-202
Position Main
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Ford, Lincoln, and Mercury · 54 vehicles

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

Rotary activation. Smoothly controls the blend door with a rotary switch design.

Plastic construction. Lightweight actuator built for HVAC use.

Cross-references ATE 604202, Autotecnica FD0613091 and Four Seasons 37531 for the same application. See all 7.

$46.18Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

HVAC Blend Door Actuator Overview

Dorman 604-202 is a rotary HVAC blend door actuator built for specific Ford, Lincoln, and Mercury applications. It is precision-engineered to match the quality and performance of the original heater blend door actuator on the listed vehicles, helping restore accurate temperature control in the cabin.

Compatible With Ford Ranger, Ford Explorer, Ford Expedition, Lincoln Navigator, Mercury Mountaineer, and related applications where the original actuator uses a rotary design and plastic housing.

  • Rotary switch activation type for temperature blend door control
  • Plastic construction for OE-style fit and function
  • Supplied as an actuator only
  • Direct replacement for select main and auxiliary HVAC positions
  • Cross-reference part numbers include Four Seasons 37531 and TechSmart J04011

Detailed Product Description

This HVAC blend door actuator is used to control the movement of the blend door inside the heater and air conditioning housing, regulating how warm or cool air is directed into the cabin. Dorman 604-202 is engineered for the specified Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Expedition, Lincoln Navigator, Mercury Mountaineer, and Ford F-100 Ranger applications, including both main and auxiliary temperature control positions where listed. If your vehicle has inconsistent cabin temperature or a blend door that no longer responds correctly, this replacement helps restore normal HVAC operation.

Common Issues This Part May Address

  • Cabin air stuck on hot or cold
  • Temperature changes that do not match the control setting
  • HVAC blend door movement that is slow, erratic, or unresponsive
  • Clicking or repeated actuator noise behind the dash
  • Loss of proper temperature control in main or auxiliary HVAC zones

Installation Notes and Tips

Verify the actuator position, shaft style, and vehicle build date before installation, especially on 2002-2005 auxiliary applications with D-shaped shaft notes. Confirm the replacement matches the original rotary actuator layout and the correct HVAC box location for your Ford Ranger, Ford Explorer, or Lincoln Navigator application. After installation, cycle the ignition and HVAC controls to allow the system to relearn actuator position if required by the vehicle.

Quality Assurance

Dorman manufactures this part as an OE-style replacement for the listed applications, with engineering focused on matching original fit and performance. Part number 604-202 is built to the specified vehicle requirements for dependable HVAC temperature control restoration.

This part fits 54 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModel# DoorsFuel TypePositionNotes
2011FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2010FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2009FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2008FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2007FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2006FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2005FordExplorer Sport TracMainTemperature control HVAC blend door actuator for box packaging.
2005FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2005LincolnNavigatorAuxiliaryTemperature; D Shaped Shaft; Packaging Type: Box
2004FordExpeditionAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2004FordExplorer Sport TracMainTemperature control HVAC blend door actuator for box packaging.
2004FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2004LincolnNavigatorAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2003FordExpeditionAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2003FordExplorer SportMainTemperature control HVAC blend door actuator for box packaging.
2003FordExplorer Sport TracMainTemperature control HVAC blend door actuator for box packaging.
2003FordRangerMainTemperature control HVAC blend door actuator for box packaging.
2003LincolnNavigatorAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2002FordExpeditionAuxiliaryTemperature; From 3/18/02; Packaging Type: Box
2002FordExplorer4 DoorAuxiliaryTemperature; D Shaped Shaft; To 3/03/02; Packaging Type: Box
2002FordExplorer SportMainTemperature control HVAC blend door actuator for box packaging.
2002FordExplorer Sport TracMainTemperature control HVAC blend door actuator for box packaging.
2002FordRangerGASMainTemperature control HVAC blend door actuator for box packaging.
2002FordRangerFLEXMainTemperature control HVAC blend door actuator for box packaging.
2002LincolnNavigatorAuxiliaryTemperature; D Shaped Shaft; From 3/18/02; Packaging Type: Box
2002MercuryMountaineerAuxiliaryTemperature; To 3/04/02; Packaging Type: Box
2001FordExplorer4 DoorMainTemperature; Manual Temperature Control; Packaging Type: Box
2001FordExplorer SportMainTemperature control HVAC blend door actuator for box packaging.
2001FordExplorer Sport TracMainTemperature control HVAC blend door actuator for box packaging.
2001FordF-100 RangerMainTemperature control HVAC blend door actuator for box packaging.
2001FordRangerGASMainTemperature control HVAC blend door actuator for box packaging.
2001FordRangerFLEXMainTemperature control HVAC blend door actuator for box packaging.
2001MercuryMountaineerMainTemperature; Manual Temperature Control; Packaging Type: Box
2000FordExplorerMainTemperature; Manual Temperature Control; Packaging Type: Box
2000FordF-100 RangerMainTemperature control HVAC blend door actuator for box packaging.
2000FordRangerGASMainTemperature control HVAC blend door actuator for box packaging.
2000FordRangerFLEXMainTemperature control HVAC blend door actuator for box packaging.
2000MercuryMountaineerMainTemperature; Manual Temperature Control; Packaging Type: Box
1999FordExplorerMainTemperature; Manual Temperature Control; Packaging Type: Box
1999FordF-100 RangerMainTemperature control HVAC blend door actuator for box packaging.
1999FordRangerGASMainTemperature control HVAC blend door actuator for box packaging.
1999FordRangerFLEXMainTemperature control HVAC blend door actuator for box packaging.
1999MercuryMountaineerMainTemperature; Manual Temperature Control; Packaging Type: Box
1998FordExplorerMainTemperature; Manual Temperature Control; Packaging Type: Box
1998FordF-100 RangerMainTemperature control HVAC blend door actuator for box packaging.
1998FordRangerGASMainTemperature control HVAC blend door actuator for box packaging.
1998MercuryMountaineerMainTemperature; Manual Temperature Control; Packaging Type: Box
1997FordExplorerMainTemperature; Manual Temperature Control; Packaging Type: Box
1997FordRangerMainTemperature; Manual Temperature Control; Packaging Type: Box
1997MercuryMountaineerMainTemperature; Manual Temperature Control; Packaging Type: Box
1996FordExplorerMainTemperature; Manual Temperature Control; Packaging Type: Box
1996FordRangerMainTemperature; Manual Temperature Control; Packaging Type: Box
1995FordExplorerMainTemperature; Manual Temperature Control; Packaging Type: Box
1995FordRangerMainTemperature; Manual Temperature Control; Packaging Type: Box
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATE — 604202Autotecnica — FD0613091Four Seasons — 37531SKP — SK604202TechSmart — J04011ADS222F5TZ19E616A