Dorman 604-302 HVAC Blend Door Actuator - Main

Brand Dorman 604-302
Position Main
Material Plastic
Package Contents Actuator
Switch Activation Type Rotary
Fits Hyundai · 12 vehicles

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

Rotary design. Provides smooth, accurate HVAC blend door control.

Plastic construction. Lightweight actuator built for dependable operation.

Cross-references Four Seasons 73075, 971542D000 and ADS205 for the same application. See all 5.

$70.43Free 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 $70.43
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 604-302 HVAC Blend Door Actuator

Dorman 604-302 is a rotary HVAC blend door actuator built for specific Hyundai applications where precise heater and air distribution control is needed. It is engineered to match the fit and function of the original actuator on select Hyundai Elantra and Hyundai Tiburon models.

  • Rotary switch activation type for HVAC mode control
  • Plastic housing construction
  • Includes actuator only
  • Direct replacement for select Hyundai HVAC blend door systems
  • Cross-references Four Seasons 73075 for the same application

Detailed Product Overview

This HVAC blend door actuator, part number 604-302, is used in the heater and air distribution system to move the blend or mode door based on control input. It is a fitment-based replacement for 2001-2006 Hyundai Elantra and 2003-2008 Hyundai Tiburon, Main position, and is intended for vehicles that use a rotary actuator design. The Dorman 604-302 helps restore proper HVAC door movement when the original unit no longer responds correctly.

For buyers searching for a Hyundai Elantra blend door actuator or a Hyundai Tiburon HVAC actuator replacement, this part number 604-302 provides a direct-match option for the listed applications. It also cross-references Four Seasons 73075 for the same application.

Common Problems This Part Can Address

  • HVAC air not changing between vent, floor, and defrost settings
  • Temperature blend door movement that is inconsistent or stuck
  • Clicking or repeated actuator noise from the dash HVAC system
  • Loss of proper airflow direction control in the cabin
  • Faulty actuator response in select Hyundai Elantra and Hyundai Tiburon models

Installation Notes and Tips

Verify the vehicle year, make, model, and Main position before ordering. Compare the original actuator connector style, mounting points, and rotary operation to the replacement unit before installation. After installation, cycle the HVAC controls to confirm smooth door movement and proper mode selection. For best results, inspect the related blend door and HVAC control components if the original actuator failed from binding or repeated gear wear.

Quality Assurance

Dorman states that this heater blend door actuator is precision-engineered to match the quality and performance of the original part on specific vehicle applications. The plastic construction and OE-style fitment support a direct replacement approach for the listed Hyundai models.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008HyundaiTiburonMainHVAC Blend Door Actuator for mode selection in box packaging.
2007HyundaiTiburonMainHVAC Blend Door Actuator for mode selection in box packaging.
2006HyundaiElantraMainHVAC Blend Door Actuator for mode selection in box packaging.
2006HyundaiTiburonMainHVAC Blend Door Actuator for mode selection in box packaging.
2005HyundaiElantraMainHVAC Blend Door Actuator for mode selection in box packaging.
2005HyundaiTiburonMainHVAC Blend Door Actuator for mode selection in box packaging.
2004HyundaiElantraMainHVAC Blend Door Actuator for mode selection in box packaging.
2004HyundaiTiburonMainHVAC Blend Door Actuator for mode selection in box packaging.
2003HyundaiElantraMainHVAC Blend Door Actuator for mode selection in box packaging.
2003HyundaiTiburonMainHVAC Blend Door Actuator for mode selection in box packaging.
2002HyundaiElantraMainHVAC Blend Door Actuator for mode selection in box packaging.
2001HyundaiElantraMainHVAC Blend Door Actuator for mode selection in box packaging.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 73075971542D000ADS205APBDA0237G17004