HomeDorman 604-458 HVAC Blend Door Actuator - Left Main or Right Main
Part #: 604-458

Dorman 604-458 HVAC Blend Door Actuator - Left Main or Right Main

Left Main and Right Main
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$48.66Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, CX-9
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman HVAC Blend Door Actuator 604-458

The Dorman HVAC Blend Door Actuator 604-458 is designed specifically for Mazda CX-9 models, providing reliable control of your vehicle's climate system. This actuator features a rotary switch activation type and a durable plastic construction to ensure consistent performance.

  • Rotary switch activation type for precise airflow control
  • Five male pin terminals for secure electrical connections
  • Constructed from durable plastic material for long-lasting use
  • Compatible with Mazda CX-9 HVAC systems
  • Includes one air door actuator per package

Detailed Product Description

The Dorman 604-458 HVAC Blend Door Actuator is engineered to regulate the blend door within the heating, ventilation, and air conditioning system of the Mazda CX-9. Its rotary switch activation type allows for smooth and accurate adjustment of air temperature by controlling the position of the blend door. The actuator connects via five male pin terminals, ensuring a stable and reliable electrical interface. Made from high-quality plastic, this actuator is designed to withstand the operational demands of the HVAC system while maintaining consistent functionality.

Common Applications and Problem Resolution

  • Restores proper airflow direction and temperature control in Mazda CX-9 HVAC systems
  • Eliminates issues with inconsistent cabin temperature regulation
  • Resolves blend door actuator failure symptoms such as unusual noises or unresponsive climate controls
  • Addresses HVAC system malfunctions related to faulty actuator movement

Installation Notes and Tips

When installing the Dorman 604-458 blend door actuator, ensure the vehicle is powered off and the HVAC system is disengaged to prevent electrical issues. Carefully disconnect the existing actuator by releasing the five-pin male terminal connector. Align the new actuator properly with the blend door mechanism before securing it in place. Verify the rotary switch activation operates smoothly by testing the HVAC controls after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your Mazda CX-9. While specific warranty details for part number 604-458 may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandDorman
Part Number604-458
Switch Activation TypeRotary
Terminal TypePin
Terminal Quantity5
Terminal GenderMale
MaterialPlastic
Package Contents1 air door actuator

This part fits 18 vehicles. Search below:

YearMakeModelPositionNotes
2015MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2015MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2014MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2014MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2013MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2013MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2012MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2012MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2011MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2011MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2010MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2010MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2009MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2009MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2008MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2008MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.
2007MazdaCX-9Left MainTemperature control HVAC blend door actuator for box packaging.
2007MazdaCX-9Right MainTemperature control HVAC blend door actuator for box packaging.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

ADA326ADR4291ADS4291APBDA0290L20761A60

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.