Dorman 604-319 HVAC Blend Door Actuator - Main

Brand Dorman 604-319
Position Main
Material Plastic
Package Contents 1 Air Door Actuator
Switch Activation Type Rotary
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits Chevrolet · 18 vehicles

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

Rotary actuator. Smooth HVAC door control with a blade terminal connection.

Plastic construction. Lightweight design with a male two-blade terminal.

Cross-references 95017988 and ADS4324 for the same application. See all 2.

$47.59Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $47.59
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 604-319 HVAC Blend Door Actuator

Dorman 604-319 is a rotary HVAC blend door actuator built for specific Chevrolet applications that need precise air-door control. It is engineered to match the fit and performance of the original actuator on select Chevrolet Sonic and Chevrolet Trax models.

Key Features

  • Rotary switch activation type for HVAC air-door movement
  • Blade terminal design with 2 male terminals
  • Plastic housing for OE-style fitment and packaging
  • Direct replacement for the original blend door actuator on listed vehicles
  • Cross-reference part numbers: 95017988, ADS4324

Detailed Description

This HVAC heater blend door actuator controls the position of the blend door inside the heating and air conditioning system, helping regulate airflow and temperature distribution. Dorman 604-319 is built for Chevrolet Trax and Chevrolet Sonic applications that require outside air control, including 2012-2019 Chevrolet Sonic, Main, and 2013-2019 Chevrolet Trax, Main. It also fits 2020-2022 Chevrolet Trax, Main. The part number 604-319 is a practical OE-style replacement for vehicles needing a rotary actuator with blade terminals and a plastic body.

For buyers searching for a Chevrolet Sonic blend door actuator or a Chevrolet Trax HVAC actuator, this part number 604-319 provides a direct-match option for the listed fitments. It is intended for HVAC systems where the original actuator has failed or no longer responds correctly.

What It Helps Fix

  • Temperature stuck on hot or cold
  • Airflow not changing between vents, floor, or defrost
  • HVAC clicking or repeated actuator noise
  • Loss of outside air control on listed Chevrolet models
  • Inconsistent cabin comfort due to blend door movement issues

Installation Notes and Tips

Verify the vehicle year, make, model, and HVAC position before ordering. This actuator is listed for the Main position only, so match the original part location and connector style before installation. Confirm the terminal type, terminal quantity, and terminal gender against the removed unit to ensure proper electrical connection.

Quality Assurance

Dorman engineers this HVAC heater blend door actuator to match the quality and performance of the original actuator on the specified vehicle applications. It is a replacement part for Chevrolet Sonic and Chevrolet Trax HVAC systems where OE-style operation is required.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2022ChevroletTraxMainPackaging Type: Box
2021ChevroletTraxMainPackaging Type: Box
2020ChevroletTraxMainPackaging Type: Box
2019ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2019ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2018ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2018ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2017ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2017ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2016ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2016ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2015ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2015ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2014ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2014ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2013ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
2013ChevroletTraxMainFits vehicles requiring outside air, comes in a box.
2012ChevroletSonicMainFits vehicles requiring outside air, comes in a box.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
95017988ADS4324