Four Seasons 73165 HVAC Recirculation Door Actuator
OE Quality 60-Day Returns
Four Seasons
 Air Door Actuator

Four Seasons 73165 HVAC Recirculation Door Actuator

Brand Four Seasons 73165
Door Linkage Male
Mounting Ear Qty. 4
Style HVAC Air Door Actuator
Terminal Pin Qty. 5
Product line Air Door Actuator
Fits Chevrolet, Cadillac, and Buick · 40 vehicles

Air door actuator. Controls HVAC airflow doors for precise cabin air management.

5-pin design. Provides a straightforward electrical connection for reliable operation.

4 mounting ears. Built for secure attachment in the HVAC assembly.

Cross-references Four Seasons 73165, 604152 and 1573665 for the same application. See all 8.

$45.72Free 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 — free returns if it doesn't
Step 2 — Quantity
Order total $45.72
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 73165 Air Door Actuator Overview

The Four Seasons 73165 is an HVAC recirculation door actuator built for vehicles that use a 5-terminal, male door linkage design with a 4-ear mounting pattern. It is a direct-fit air door actuator for select Chevrolet Camaro, Cadillac ATS, Cadillac CTS, Buick Lucerne, and Cadillac DTS applications.

Four Seasons Air Door Actuator components are used to restore proper HVAC door movement in systems that control recirculation and airflow routing. This part number, 73165, is listed for multiple GM platforms where precise door positioning is required for cabin climate control.

Key Features

  • HVAC recirculation door actuator for air distribution control
  • Male door linkage design
  • 4 mounting ears for secure installation
  • 5-terminal pin electrical connection
  • Four Seasons part number 73165
  • Cross-reference part number: 604152

Vehicle Fitment

  • Fits 2022-2024 Chevrolet Camaro, N/A.
  • Fits 2016-2021 Chevrolet Camaro, N/A; Air Door Actuator.
  • Fits 2013-2019 Cadillac ATS, N/A; fitment note: without Start/Stop feature; Air Door Actuator.
  • Fits 2019 Cadillac CTS, N/A; w/o Stop/Start Feature; Air Door Actuator.
  • Fits 2014-2018 Cadillac CTS, N/A; Air Door Actuator.
  • Fits 2006-2011 Buick Lucerne, N/A; vehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator; Air Door Actuator.
  • Fits 2006-2011 Cadillac DTS, N/A; Air Door Actuator.

What This Part Helps Address

  • Recirculation door not responding to HVAC commands
  • Improper airflow routing inside the cabin
  • Loss of recirculation function in the climate control system
  • Temperature control issues caused by a stuck air door
  • HVAC actuator noise or inconsistent door movement

Installation Notes

Verify the connector style, terminal count, linkage type, and mounting ear layout before installation. Confirm the vehicle’s HVAC configuration and note-specific requirements, including Start/Stop and Dual Zone Climate Control details where listed. For best results, compare the original actuator to Four Seasons 73165 before replacement.

Quality Assurance

Four Seasons supplies HVAC replacement components for OE-style service applications, and this actuator is cataloged for direct vehicle-specific fitment on select GM models. Part number 73165 is supported by published interchange references for application matching.

Related reading

This part fits 40 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2024ChevroletCamaro———N/A—
2023ChevroletCamaro———N/A—
2022ChevroletCamaro———N/A—
2021ChevroletCamaro———N/AAir Door Actuator
2020ChevroletCamaro———N/AAir Door Actuator
2019CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2019CadillacCTS—2.0LL4N/Aw/o Stop/Start Feature; Air Door Actuator
2019CadillacCTS—3.6LV6N/Aw/o Stop/Start Feature; Air Door Actuator
2019CadillacCTS—6.2LV8N/Aw/o Stop/Start Feature; Air Door Actuator
2019ChevroletCamaro———N/AAir Door Actuator
2018CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2018CadillacCTS———N/AAir Door Actuator
2018ChevroletCamaro———N/AAir Door Actuator
2017CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2017CadillacCTS———N/AAir Door Actuator
2017ChevroletCamaro———N/AAir Door Actuator
2016CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2016CadillacCTS———N/AAir Door Actuator
2016ChevroletCamaro———N/AAir Door Actuator
2015CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2015CadillacCTSSedan2.0LL4N/AAir Door Actuator
2015CadillacCTSSedan3.6LV6N/AAir Door Actuator
2014CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2014CadillacCTSSedan2.0LL4N/AAir Door Actuator
2014CadillacCTSSedan3.0LV6N/AAir Door Actuator
2014CadillacCTSSedan3.6LV6N/AAir Door Actuator
2014CadillacCTSSedan6.2LV8N/AAir Door Actuator
2013CadillacATS———N/AFitment note: Without Start/Stop feature.; Air Door Actuator
2011BuickLucerne———N/AVehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator
2011CadillacDTS———N/AAir Door Actuator
2010BuickLucerne———N/AVehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator
2010CadillacDTS———N/AAir Door Actuator
2009BuickLucerne———N/AVehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator
2009CadillacDTS———N/AAir Door Actuator
2008BuickLucerne———N/AVehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator
2008CadillacDTS———N/AAir Door Actuator
2007BuickLucerne———N/AVehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator
2007CadillacDTS———N/AAir Door Actuator
2006BuickLucerne———N/AVehicle is compatible with Dual Zone Climate Control for HVAC Recirculation Door Actuator.; Air Door Actuator
2006CadillacDTS———N/AAir Door Actuator
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 731656041521573665655158425770696A60165BDAA1167MT18605