Chevrolet Trailblazer Ext Blend Doors

Your One-Stop Shop For Trusted Chevrolet Trailblazer Ext Blend Doors

If you’re in search of Chevrolet Trailblazer Ext Blend Doors aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 26 Blend Doors from top brands with prices ranging from $46.49 to $251.99.

Beyond great prices, we stock trusted brands manufacturing all types of Blend Doors for your Chevrolet Trailblazer Ext. Of the 4 OEM and aftermarket parts brands we carry, some of the most popular are Dorman, AC Delco, and Autotecnica.

And don’t forget to read customer reviews across all Blend Doors categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Blend Doors have to cost top dollar, and we prove it. Browse our top Chevrolet Trailblazer Ext Blend Doors below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Chevrolet Trailblazer Ext Blend Doors

Dorman – HVAC Air Door Actuator (Part No.R2046721436DOR)

HVAC Air Door Actuator

from

$86.49
Dorman-engineered with robust materials to improve durability and performance, our HVAC Heater Blend Door Actuators restore and maintain proper functioning of the HVAC Heater Blend Door. Depending on the make and model of your vehicle, the same exact actuator could be suitable for any and all climate control blend door applications – consult Dorman’s website for specific information.

Product Features:
  • Direct replacement for a proper fit every time
  • Recommended for replacement during blend door replacement
  • High quality plastic housing and motor/circuit board included
  • Dorman’s quality testing ensures year after year of trouble-free service
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Dorman – Air Flap Actuator (Part No.R2046721435DOR)

Air Flap Actuator

from

$76.60
Dorman-engineered with robust materials to improve durability and performance, our HVAC Heater Blend Door Actuators restore and maintain proper functioning of the HVAC Heater Blend Door. Depending on the make and model of your vehicle, the same exact actuator could be suitable for any and all climate control blend door applications – consult Dorman’s website for specific information.

Product Features:
  • Direct replacement for a proper fit every time
  • Recommended for replacement during blend door replacement
  • High quality plastic housing and motor/circuit board included
  • Dorman’s quality testing ensures year after year of trouble-free service
See More

ACDelco – HVAC Blend Door Actuator: 1 Piece (Part No.15-72811)

HVAC Blend Door Actuator: 1 Piece

from

$94.99
ACDelco GM Original Equipment HVAC Air Valve Actuator is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment actuator will provide the same performance, durability, and service life you expect from General Motors.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Autotecnica – Air Flap Actuator (Part No.R2046446469ANA)

Air Flap Actuator

from

$135.94
Air Flap Actuator

Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-120)

HVAC Blend Door Actuator: 1 Piece

from

$52.99
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.

Product Features:
  • 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
See More

Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-110)

HVAC Blend Door Actuator: 1 Piece

from

$73.99
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.

Product Features:
  • 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
See More

Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-119)

HVAC Blend Door Actuator: 1 Piece

from

$46.49
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.

Product Features:
  • 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
See More

Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-126)

HVAC Blend Door Actuator: 1 Piece

from

$48.49
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.

Product Features:
  • 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
See More

ACDelco – HVAC Blend Door Actuator: 1 Piece (Part No.15-72971)

HVAC Blend Door Actuator: 1 Piece

from

$251.99
ACDelco GM Original Equipment HVAC Air Valve Actuator is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment actuator will provide the same performance, durability, and service life you expect from General Motors.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Dorman – HVAC Blend Door Actuator: 1 Piece (Part No.604-130)

HVAC Blend Door Actuator: 1 Piece

from

$73.99
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.

Product Features:
  • 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
See More

ACDelco – Heating and Air Conditioning Air Inlet Door Actuator (Part No.15-73599)

Heating and Air Conditioning Air Inlet Door Actuator

from

$68.99
ACDelco GM Original Equipment HVAC Air Inlet Door Actuators are electric motors attached to the HVAC housing that open or close the air inlet door, allowing the driver to select fresh air or recirculate modes. They are GM-recommended replacements for your vehicle’s original components. These original equipment air inlet door actuators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Restore air inlet door operation caused by worn actuator
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Heating and Air Conditioning Panel Mode Door Actuator (Part No.15-73596)

Heating and Air Conditioning Panel Mode Door Actuator

from

$83.99
ACDelco GM Original Equipment HVAC Mode Door Actuators are electric motors attached to the HVAC housing that move or actuate the mode doors or flaps, directing the airflow to the desired outlet vents. These original equipment HVAC mode door actuators are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Corrects mode door malfunction caused by a failed actuator
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – Heating and Air Conditioning Panel Mode Door Actuator (Part No.15-73044)

Heating and Air Conditioning Panel Mode Door Actuator

from

$77.99
ACDelco GM Original Equipment HVAC Mode Door Actuators are electric motors attached to the HVAC housing that move or actuate the mode doors or flaps, directing the airflow to the desired outlet vents. These original equipment HVAC mode door actuators are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Corrects mode door malfunction caused by a failed actuator
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

ACDelco – HVAC Blend Door Actuator: 1 Piece (Part No.15-73598)

HVAC Blend Door Actuator: 1 Piece

from

$67.99
ACDelco GM Original Equipment HVAC Air Valve Actuator is a GM-recommended replacement component for one or more of the following vehicle systems: hvac. This original equipment actuator will provide the same performance, durability, and service life you expect from General Motors.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
See More

Blend Doors Brands You Can Trust For Your Chevrolet Trailblazer Ext

4 trusted brands of Blend Doors line our shelves, ready to help keep your Chevrolet Trailblazer Ext running smooth. Below are some of the most popular brands and their top Blend Doors offerings:

Popular ACDelco Blend Doors

ACDelco products for the Chevrolet Trailblazer Ext span several categories. Some of the highest-rated ACDelco Blend Doors that will fit your Chevrolet Trailblazer Ext are:
HVAC Blend Door Actuator: 1 Piece
from $251.99
(1)
HVAC Blend Door Actuator: 1 Piece
Air Blend Door Actuators

Most Purchased Chevrolet Trailblazer Ext Blend Doors from Dorman

When you buy the most frequently purchased Dorman brand Blend Doors, you can be confident it will be the right part for your Chevrolet Trailblazer Ext. Here are the Dorman Blend Doors Advanced Auto customers buy the most:
HVAC Blend Door Actuator: 1 Piece
from $145.99
(26)
HVAC Blend Door Actuator: 1 Piece
Air Blend Door Actuators
HVAC Blend Door Actuator: 1 Piece
from $251.99
(1)
HVAC Blend Door Actuator: 1 Piece
Air Blend Door Actuators
Heating and Air Conditioning Air Inlet Door Actuator
from $68.99
This product is not rated
Heating and Air Conditioning Air Inlet Door Actuator
AC Air Inlet Door Actuators

FAQs for Chevrolet Trailblazer Ext Blend Doors

What are the most purchased Blend Doors for the Chevrolet Trailblazer Ext?

Out of 26 Blend Doors for the Chevrolet Trailblazer Ext, the most popular in our inventory are:
Heating and Air Conditioning Air Inlet Door Actuator
from $68.99
This product is not rated
Heating and Air Conditioning Air Inlet Door Actuator
AC Air Inlet Door Actuators
Heating and Air Conditioning Panel Mode Door Actuator
from $83.99
This product is not rated
Heating and Air Conditioning Panel Mode Door Actuator
Heater Blend Doors
HVAC Blend Door Actuator: 1 Piece
from $46.49
(1)
HVAC Blend Door Actuator: 1 Piece
Air Blend Door Actuators

What are the top-rated Chevrolet Trailblazer Ext Blend Doors?

Top-rated Blend Doors for your Chevrolet Trailblazer Ext based on customer reviews/ratings are:
HVAC Blend Door Actuator: 1 Piece
from $73.99
(1)
HVAC Blend Door Actuator: 1 Piece
“Bought this for the rear hvac blend door on a Chevrolet trailblazer and it wouldn’t fit right out of the box. It is designed the same on the outside b”