HomeFour Seasons 73555 HVAC Blend Door Actuator - Auxiliary
Part #: 73555

Four Seasons 73555 HVAC Blend Door Actuator - Auxiliary

Auxiliary
⚙️ 1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, MDX
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Reliable HVAC Blend Door Actuator for Acura MDX

The Four Seasons 73555 HVAC blend door actuator is designed to restore proper airflow control in your Acura MDX's climate system. Featuring a durable arm-type door linkage and multiple mounting points, this actuator ensures precise operation of the HVAC air doors.

  • Arm-style door linkage for accurate blend door movement
  • Four mounting ears for secure installation
  • Seven terminal pins for reliable electrical connection
  • Specifically engineered for Acura MDX HVAC systems
  • Part number 73555 for exact replacement compatibility

Product Details and Specifications

This HVAC blend door actuator from Four Seasons is built to meet the exact specifications required for the Acura MDX. The actuator features an arm-type door linkage that provides smooth and consistent control of the air door position. With four mounting ears, it offers a stable and secure fit within the HVAC housing. The actuator’s seven terminal pins ensure a dependable electrical connection, facilitating precise control signals from the vehicle’s climate control module. The style is classified as an HVAC air door actuator, designed to regulate airflow direction and temperature blend within the vehicle’s ventilation system.

Common Applications and Problem Resolution

  • Restores proper airflow direction in Acura MDX HVAC systems
  • Eliminates inconsistent cabin temperature due to faulty blend door movement
  • Resolves clicking or knocking noises from the HVAC system
  • Fixes issues with air not switching between vents correctly
  • Addresses failure of the blend door to respond to climate control inputs

Installation Notes and Tips

When installing the Four Seasons 73555 blend door actuator, ensure the four mounting ears align correctly with the HVAC housing mounting points. Verify the seven terminal pins are properly connected to the vehicle’s wiring harness to avoid electrical faults. It is recommended to test actuator operation before reassembling the dashboard components. Proper alignment of the arm linkage is critical for smooth blend door movement and accurate temperature control.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM standards for fit and function. The 73555 blend door actuator undergoes quality checks to ensure durability and reliable performance in Acura MDX vehicles. Please refer to Four Seasons’ official warranty policy for coverage details on this HVAC component.

BrandFour Seasons
Part Number73555
Door LinkageArm
Mounting Ear Qty.4
StyleHvac air door actuator
Terminal Pin Qty.7

This part fits 1 vehicles. Search below:

YearMakeModelPositionNotes
2001AcuraMDXAuxiliary

* 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:

6044367355579351S3VA51A60555BDAG1073DA1509

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