Description
Warranty & Shipping
How-To & Tools
Product Reviews
Q&A
Vehicle Fit

This air inlet door actuator is a new, aftermarket replacement part. It is just what you need to bring your heating and A/C blower system back to good working order!

Specifications:

  • Controls the airflow and/or regulates the temperature of the airflow into the vehicle
  • Direct replacement
  • Replaces dealer part numbers: 89018678, 89018373
  • Built to strict quality control standards
  • 100% tested prior to leaving the factory
  • Fits models with Manual A/C Controls only

NOTE: Some models also have more than one actuator for the heater/air conditioning controls. Please check with your local GM dealer with your VIN (Vehicle Identification Number) for a dealer part number to confirm fit to your vehicle.

This is an electrical part and is tested before it leaves our warehouse.

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Door Actuator (0:31)
    • Remove the 7mm bolts from the glove box panel
    • Pull down and remove the panel
    • Push on the tab and remove the door actuator harness
    • Remove the two 7/32 bolts from the door actuator
    • Pull the actuator down and out
  2. step : Installing the New Door Actuator (1:40)
    • Push the door actuator into place
    • Replace and tighten the two 7/32 bolts
    • Reconnect the door actuator harness
    • Replace the glove box panel
    • Insert and tighten the three 7mm bolts

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 7mm Socket

  • Sockets - SAE

  • 7/32 Inch Socket

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Customer Q&A
Ask a question to 1A Auto customers who purchased the product
Is this the appropriate passenger side door actuator for a climate control system with manual sliders?
J. K November 20, 2017
Very well could be but I would verify before hand by removing the actuator in vehicle and then counting the pins then matching I have ran into issues where it can vary from one vehicle to another not common but better safe than sorry
E S November 20, 2017
Year Make Model Description
2004-2007Buick Rainier Buick Rainier Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007Chevy Avalanche Chevy Avalanche Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2002-2006Chevy Avalanche 1500 Chevy Avalanche 1500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2002-2006Chevy Avalanche 2500 Chevy Avalanche 2500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2002Chevy Prizm Chevy Prizm Air Inlet Door Actuator Dorman 604-120
1999-2006Chevy Silverado 1500 Chevy Silverado 1500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2003Chevy Silverado 1500 HD Chevy Silverado 1500 HD Air Inlet Door Actuator for Models with with Air Conditioning Dorman 604-120
2005-2006Chevy Silverado 1500 HD Chevy Silverado 1500 HD Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007Chevy Silverado 1500 HD Classic Chevy Silverado 1500 HD Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
1999-2004Chevy Silverado 2500 Chevy Silverado 2500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2006Chevy Silverado 2500 HD Chevy Silverado 2500 HD Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007Chevy Silverado 2500 HD Classic Chevy Silverado 2500 HD Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2006Chevy Silverado 3500 Chevy Silverado 3500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007Chevy Silverado 3500 Classic Chevy Silverado 3500 Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2000-2007Chevy Suburban 1500 Chevy Suburban 1500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2000-2007Chevy Suburban 2500 Chevy Suburban 2500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2000-2007Chevy Tahoe Chevy Tahoe Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2003-2009Chevy Trailblazer Chevy Trailblazer Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2003-2006Chevy Trailblazer EXT Chevy Trailblazer EXT Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2004-2009GMC Envoy GMC Envoy Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2004-2006GMC Envoy XL GMC Envoy XL Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2003GMC Sierra 1500 GMC Sierra 1500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2003GMC Sierra 1500 HD GMC Sierra 1500 HD Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2005-2006GMC Sierra 1500 HD GMC Sierra 1500 HD Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007GMC Sierra 1500 HD Classic GMC Sierra 1500 HD Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
1999-2004GMC Sierra 2500 GMC Sierra 2500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2006GMC Sierra 2500 HD GMC Sierra 2500 HD Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007GMC Sierra 2500 HD Classic GMC Sierra 2500 HD Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2001-2006GMC Sierra 3500 GMC Sierra 3500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2007GMC Sierra 3500 Classic GMC Sierra 3500 Classic Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2000-2007GMC Yukon GMC Yukon Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2000-2007GMC Yukon XL 1500 GMC Yukon XL 1500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2000-2007GMC Yukon XL 2500 GMC Yukon XL 2500 Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
2004Oldsmobile Bravada Olds Bravada Air Inlet Door Actuator for Models with Manual Air Conditioning Dorman 604-120
Part #: 1AZMX00072

Out of Stock

Dorman
Brand #: 604-120

How-to Video:

(02:43 min)