2000-05 Cadillac Deville Temperature Blend Door Actuator Dorman 604-166 - 1ABMX00266

This replacement air door actuator is just what you need to get your vehicle in good working form again!


  • LH (Driver Side) Temperature Valve Air Door Actuator
  • Replaces dealer part number: 89018380
  • Direct replacement
  • Built to strict quality control standards
  • 100% factory tested

This air door actuator makes a great replacement and has good value over the price of the dealer part.


Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed


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.

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JOHN F on Oct 6, 2017
BEST ANSWER: To obtain this diagram, please give us a call at 1-888-844-3393 or send us an email to with the year, make, and model as well as a subject containing location of the blend door actuators.

Vehicle Fit

  • 2000-2005 Cadillac Deville Temperature Blend Door Actuator Driver Side Dorman 604-166

This part replaces:

  • OE # 89018380
  • Dorman 604-166
Only 2 left in stock
Part #: 1ABMX00266

Brand #: 604-166