Four Seasons 73171 HVAC Recirculation Door Actuator
OE Quality 60-Day Returns
Four Seasons
 Air Door Actuator

Four Seasons 73171 HVAC Recirculation Door Actuator

Brand Four Seasons 73171
Door Linkage Arm
Mounting Ear Qty. 4
Style HVAC Air Door Actuator
Terminal Pin Qty. 5
Product line Air Door Actuator
Fits Cadillac · 2 vehicles

Air door actuator. Controls HVAC airflow with a 5-pin electrical connection.

Arm linkage. Designed with an arm-style linkage for smooth door movement.

4 mounting ears. Provides a secure, stable installation.

Cross-references Four Seasons 73171, Global Parts Distributors LLC 1712324 and 604159 for the same application. See all 9.

$40.13Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $40.13
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Recirculation Door Actuator options

Four Seasons 73171 HVAC Air Door Actuator

The Four Seasons 73171 HVAC recirculation door actuator restores control of the air door in the climate system. Built with an arm-style door linkage, 4 mounting ears, and a 5-pin terminal layout, it is a direct-fit service part for selected Cadillac CTS applications.

Key Features

  • HVAC air door actuator for recirculation door operation
  • Arm-style door linkage for the specified HVAC door design
  • 4 mounting ears for secure in-dash installation
  • 5-terminal pin configuration
  • Four Seasons part number 73171 for service identification

Product Details

Four Seasons Air Door Actuator line components are built for HVAC control applications where precise door movement is needed to manage airflow inside the cabin. This Four Seasons 73171 actuator is listed for 2008-2009 Cadillac CTS models and is used in the air door actuator position noted in the fitment data. If you are searching for a 2008-2009 Cadillac CTS HVAC recirculation door actuator or a Four Seasons 73171 replacement, this part matches the confirmed application.

This part cross-references Global Parts Distributors LLC 1712324 for the same application.

What It Helps Fix

  • Recirculation door that does not change position
  • Incorrect cabin airflow routing
  • HVAC mode changes that do not respond properly
  • Air distribution issues tied to a failed door actuator
  • Climate control operation problems in the Cadillac CTS

Installation Notes and Tips

Verify the connector style, 5-pin terminal count, mounting ear layout, and arm linkage before installation. Confirm the vehicle is a 2008-2009 Cadillac CTS and match the existing actuator location to the listed air door actuator application. Compare the original part number 73171 and any interchange references before replacing the unit.

Quality Assurance

Four Seasons HVAC components are cataloged for service replacement use and application-specific fitment. Confirm all vehicle and connector details against the original unit to ensure proper installation and operation.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009CadillacCTSN/AAir Door Actuator
2008CadillacCTSN/AAir Door Actuator
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 73171Global Parts Distributors LLC — 17123246041591573818655157825815468A60171BDAA1170MT18602