Dorman 604-923 HVAC Air Door Actuator

In stock
SKU: 591|604923
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $20.73
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • SKU 591|604923
  • Barcode 37495628068

Product Description

This air door actuator directly replaces the original actuator on specific vehicle years, makes, models, configurations and positions to restore proper HVAC operation. Please note that many vehicles have several different air door actuators, which are designed for specific positions and functions in the vehicle. To ensure you have what you need, carefully review the application notes for this part to verify it matches the position and function of the actuator you need to replace. In some online ordering systems, you may need to enter your vehicle information first to see the application notes for your vehicle. If you don't know which actuator position you need to replace, consult a qualified service technician.

  • Direct replacement - made to match the fit and function of the original air door actuator on certain vehicle years, makes, models and configurations
  • Position specific - vehicles often have multiple different HVAC door actuators; review this part's application notes to verify it matches the location and function of the actuator you need to replace
  • Durable construction - designed and tested to strict standards to help resist wear and electrical burnout for reliable operation and long service life
  • Trustworthy quality - backed by a team of experts and engineers in the United States, and more than a century of experience

Detailed Applications

Year Make Model Configuration Positions Application Notes
2021 Chevrolet Express 2500 Main Air Inlet
2021 Chevrolet Express 3500 Main Air Inlet
2021 Chevrolet Express 4500 Main Air Inlet
2021 Chevrolet Express Cargo (Mexico) Main Air Inlet
2021 Chevrolet Express Pasajeros (Mexico) Main Air Inlet
2021 GMC Savana 2500 Main Air Inlet
2021 GMC Savana 3500 Main Air Inlet
2021 GMC Savana 4500 Main Air Inlet
2020 Chevrolet Express 2500 Main Air Inlet
2020 Chevrolet Express 3500 Main Air Inlet
2020 Chevrolet Express 4500 Main Air Inlet
2020 Chevrolet Express Cargo (Mexico) Main Air Inlet
2020 Chevrolet Express Pasajeros (Mexico) Main Air Inlet
2020 GMC Savana 2500 Main Air Inlet
2020 GMC Savana 3500 Main Air Inlet
2020 GMC Savana 4500 Main Air Inlet
2019 Chevrolet Express 2500 Main Air Inlet
2019 Chevrolet Express 3500 Main Air Inlet
2019 Chevrolet Express 4500 Main Air Inlet
2019 Chevrolet Express Cargo (Mexico) Main Air Inlet
2019 Chevrolet Express Pasajeros (Mexico) Main Air Inlet
2019 GMC Savana 2500 Main Air Inlet
2019 GMC Savana 3500 Main Air Inlet
2019 GMC Savana 4500 Main Air Inlet
2018 Chevrolet Express 2500 Main Air Inlet
2018 Chevrolet Express 3500 Main Air Inlet
2018 Chevrolet Express 4500 Main Air Inlet
2018 Chevrolet Express Cargo (Mexico) Main Air Inlet
2018 Chevrolet Express Pasajeros (Mexico) Main Air Inlet
2018 GMC Savana 2500 Main Air Inlet
2018 GMC Savana 3500 Main Air Inlet
2018 GMC Savana 4500 Main Air Inlet
2017 Chevrolet Express 2500 Main Air Inlet
2017 Chevrolet Express 3500 Main Air Inlet
2017 Chevrolet Express 4500 Main Air Inlet
2017 Chevrolet Express Cargo (Mexico) Main Air Inlet
2017 Chevrolet Express Pasajeros (Mexico) Main Air Inlet
2017 GMC Savana 2500 Main Air Inlet
2017 GMC Savana 3500 Main Air Inlet
2017 GMC Savana 4500 Main Air Inlet
2016 Chevrolet Express 2500 Main Air Inlet
2016 Chevrolet Express 3500 Main Air Inlet
2016 Chevrolet Express 4500 Main Air Inlet
2016 Chevrolet Express Cargo (Mexico) Main Air Inlet
2016 Chevrolet Express Pasajeros (Mexico) Main Air Inlet
2016 GMC Savana 2500 Main Air Inlet
2016 GMC Savana 3500 Main Air Inlet
2016 GMC Savana 4500 Main Air Inlet
2015 Chevrolet Express 2500 Main Air Inlet
2015 Chevrolet Express 3500 Main Air Inlet
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Product Specifications

Material: Plastic
Package Contents: 1 Air Door Actuator
Package Quantity: 1
Switch Activation Type: Rotary
Packaging Type: Box

OE Numbers

DIRECT OE CROSS
1996790 GENERAL MOTORS
52453639 GENERAL MOTORS