Four Seasons 73404 HVAC Blend Door Actuator - Left Main
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Four Seasons
 Air Door Actuator

Four Seasons 73404 HVAC Blend Door Actuator - Left Main

Brand Four Seasons 73404
Position Left Main
Door Linkage Cam
Mounting Ear Qty. 4
Style HVAC Air Door Actuator
Terminal Pin Qty. 5
Product line Air Door Actuator
Fits Kia · 3 vehicles

Air door actuator. Controls HVAC airflow with a cam-style linkage.

5-pin design. Provides a straightforward electrical connection.

4 mounting ears. Offers secure attachment for a stable fit.

Cross-references Four Seasons 73404, 971593T000 and A60404 for the same application. See all 4.

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Four Seasons 73404 HVAC Air Door Actuator

The Four Seasons 73404 HVAC blend door actuator controls air door movement inside the climate system for precise temperature and airflow management. This HVAC air door actuator is built with a cam-style door linkage, a 5-pin terminal layout, and 4 mounting ears for a direct-fit replacement on select Kia K900 applications.

Key Features

  • Brand: Four Seasons Air Door Actuator line
  • Part number: 73404
  • HVAC blend door actuator for interior climate control operation
  • Cam-style door linkage for the specified application
  • 5 terminal pins for the electrical connection
  • 4 mounting ears for secure installation
  • Direct replacement for select Kia K900 HVAC systems

Product Details

Four Seasons 73404 is an HVAC air door actuator used to move the blend door in the heating and air conditioning case. In the Kia K900, this actuator helps regulate how air is directed and mixed through the HVAC system, supporting consistent cabin temperature control. The Four Seasons Air Door Actuator product line focuses on application-specific fitment, and this unit matches the listed cam linkage and connector configuration for the correct vehicle positions. This part cross-references Hyundai/Kia OE-style numbers such as 971593T000 and A60404 for the same application.

Fitment

  • Fits 2017 Kia K900, Main.
  • Fits 2015-2016 Kia K900, Left Main.

Common Issues This Part Can Address

  • Incorrect cabin temperature output
  • Airflow stuck on one vent or mode setting
  • Temperature changes that do not respond to control input
  • Clicking or binding from the HVAC case area
  • Blend door movement loss in the climate control system

Installation Notes and Quality

Verify the connector style, mounting ear layout, door linkage type, and position before installation. This part is listed for Main and Left Main positions on the specified Kia K900 applications, so matching the original actuator location is important for proper operation. Four Seasons part 73404 is identified by the listed application data and interchange references for accurate replacement selection.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2017KiaK900Main—
2016KiaK900Left MainAir Door Actuator
2015KiaK900Left MainAir Door Actuator
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 73404971593T000A60404BDAC1370