Four Seasons 73768 HVAC Recirculation Door Actuator

Brand Four Seasons 73768
Door Linkage Female
Mounting Ear Qty. 3
Style Hvac air door actuator
Terminal Pin Qty. 6
Fits Buick and Chevrolet · 11 vehicles

Direct replacement. HVAC air door actuator built for the specified climate control application.

Female linkage. Uses a female door linkage with 3 mounting ears and 6 terminals.

Proven brand experience. Backed by Four Seasons' long history in mobile air conditioning.

Cross-references Four Seasons 73768, 42677687 and 42812106 for the same application. See all 3.

$32.52Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
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Free returns within 60 days if it doesn't fit when fitment is verified.

HVAC Recirculation Door Actuator

Restore proper cabin air door movement with this Four Seasons HVAC recirculation door actuator. Part number 73768 is built for direct replacement use in select Buick and Chevrolet applications, with fitment covering multiple model years.

  • HVAC air door actuator for recirculation door control
  • Female door linkage for the specified application
  • 3 mounting ears and 6 terminal pins
  • Four Seasons mobile A/C experience behind the design

Product Details

This HVAC air door actuator is used to control the recirculation door inside the climate system, helping maintain proper airflow direction and cabin comfort. It is listed for Fits 2020-2024 Buick Encore GX, N/A; Fits 2024 Buick Envista, N/A; Fits 2021-2024 Chevrolet Trailblazer, N/A; and Fits 2024 Chevrolet Trax, N/A. If you are replacing a failed HVAC recirculation door actuator on a Buick Encore GX, Chevrolet Trailblazer, or Chevrolet Trax, part number 73768 provides the specified electrical and linkage configuration for the application. This part cross-references Interchanges (e.g., 42677687, 42812106) for the same application.

Common Issues It May Solve

  • Recirculation door stuck in one position
  • Improper cabin airflow direction
  • HVAC mode changes that do not respond correctly
  • Clicking or inconsistent actuator movement
  • Loss of recirculation function in the climate system

Installation Notes and Tips

Verify the connector style, door linkage type, mounting ear count, and terminal pin count before installation. Confirm fitment by vehicle year, make, and model, and compare the original actuator to part number 73768 before replacement.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2024BuickEncore GX—
2024BuickEnvista—
2024ChevroletTrailblazer—
2024ChevroletTrax—
2023BuickEncore GX—
2023ChevroletTrailblazer—
2022BuickEncore GX—
2022ChevroletTrailblazer—
2021BuickEncore GX—
2021ChevroletTrailblazer—
2020BuickEncore GX—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 737684267768742812106