Four Seasons 73733 HVAC Recirculation Door Actuator
OE Quality 60-Day Returns
Four Seasons

Four Seasons 73733 HVAC Recirculation Door Actuator

Brand Four Seasons 73733
Door Linkage Gear
Mounting Ear Qty. 3
Style Hvac air door actuator
Terminal Pin Qty. 5
Fits Lexus · 78 vehicles

Gear linkage. Provides precise movement for the HVAC air door actuator.

Five-pin design. Supports reliable electrical connection in the actuator.

Four Seasons experience. Backed by over 50 years of mobile A/C expertise.

Cross-references Four Seasons 73733, 8710630510 and ACT2083IM for the same application. See all 5.

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HVAC Recirculation Door Actuator for Lexus

Restore proper cabin air control with the Four Seasons 73733 HVAC recirculation door actuator. This HVAC air door actuator uses a gear-style door linkage, a 3-ear mounting design, and a 5-pin terminal layout for precise recirculation door movement in supported Lexus applications.

Built from Four Seasonsโ€™ mobile A/C experience and tested for dependable operation, the 73733 is a direct-fit replacement for select Lexus IS, GS, RC, and LC platform vehicles. If your Lexus HVAC system is stuck on fresh air, recirculation, or is making clicking noises behind the dash, this actuator is a practical replacement choice.

Key Features

  • HVAC recirculation door actuator for cabin air control
  • Gear-style door linkage for controlled door movement
  • 3 mounting ears for OE-style attachment
  • 5-terminal pin connector layout
  • Four Seasons part number 73733
  • Cross-reference part numbers include 8710630510 and ACT2083IM

Detailed Description

The Four Seasons 73733 is an HVAC air door actuator used to move the recirculation door inside the climate control housing. In Lexus IS300, IS350, RC350, GS350, and related applications, this component helps direct whether the system pulls in outside air or recirculates interior air. Accurate door movement is important for consistent vent performance, defrost response, and cabin comfort.

This actuator is engineered and tested to deliver reliable operation over time. It is a fitment-based replacement for select 2013-2024 Lexus models, including 2016-2024 Lexus IS300, 2016-2024 Lexus IS350, 2022-2024 Lexus IS500, 2015-2024 Lexus RC F, and 2013-2020 Lexus GS350. The Four Seasons 73733 is also referenced by 8710630510 and ACT2083IM for the same application.

What It Helps Fix

  • Recirculation door stuck in one position
  • Clicking or repeated actuator noise behind the dash
  • Loss of cabin air recirculation control
  • Inconsistent airflow mode changes
  • HVAC system response problems tied to a failed door actuator

Installation Notes and Tips

Verify the connector style, mounting ear count, and door linkage type before installation. This part is listed for N/A position applications in the fitment data, so confirm the original actuator location on the HVAC housing before ordering. After installation, cycle the climate control system to confirm smooth door movement and proper recirculation operation.

Quality Assurance

Four Seasons backs this part with more than 50 years of mobile A/C experience and states that its products are engineered and tested for trouble-free operation. That focus makes the 73733 a dependable replacement for Lexus HVAC recirculation door actuator service.

Related reading

This part fits 78 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersNotes
2024LexusIS300———No. 1
2024LexusIS350———No. 1
2024LexusIS500————
2024LexusRC F———No. 1
2024LexusRC300———No. 1
2024LexusRC350———No. 1
2023LexusIS300———No. 1
2023LexusIS350———No. 1
2023LexusIS500————
2023LexusRC F———No. 1
2023LexusRC300———No. 1
2023LexusRC350———No. 1
2022LexusIS300———No. 1
2022LexusIS350———No. 1
2022LexusIS500————
2022LexusRC F———No. 1
2022LexusRC300———No. 1
2022LexusRC350———No. 1
2021LexusIS300———No. 1
2021LexusIS350———No. 1
2021LexusRC F———No. 1
2021LexusRC300———No. 1
2021LexusRC350———No. 1
2020LexusGS F———No. 1
2020LexusGS350———No. 1
2020LexusIS300———No. 1
2020LexusIS350———No. 1
2020LexusRC F———No. 1
2020LexusRC300———No. 1
2020LexusRC350———No. 1
2019LexusGS F———No. 1
2019LexusGS300———No. 1
2019LexusGS350———No. 1
2019LexusIS300———No. 1
2019LexusIS350———No. 1
2019LexusRC F———No. 1
2019LexusRC300———No. 1
2019LexusRC350———No. 1
2018LexusGS F———No. 1
2018LexusGS300———No. 1
2018LexusGS350———No. 1
2018LexusGS450h———No. 1
2018LexusIS300———No. 1
2018LexusIS350———No. 1
2018LexusRC F———No. 1
2018LexusRC300———No. 1
2018LexusRC350———No. 1
2017LexusGS F———No. 1
2017LexusGS200t————
2017LexusGS350———No. 1
2017LexusGS450h———No. 1
2017LexusIS200t————
2017LexusIS300———No. 1
2017LexusIS350———No. 1
2017LexusRC F———No. 1
2017LexusRC200t————
2017LexusRC300———No. 1
2017LexusRC350———No. 1
2016LexusGS F———No. 1
2016LexusGS200t————
2016LexusGS350———No. 1
2016LexusGS450h———No. 1
2016LexusIS200t————
2016LexusIS300———No. 1
2016LexusIS350———No. 1
2016LexusRC F———No. 1
2016LexusRC300———No. 1
2016LexusRC350———No. 1
2015LexusGS350———No. 1
2015LexusGS450h———No. 1
2015LexusIS250Sedan2.5LV6—
2015LexusRC F———No. 1
2015LexusRC350———No. 1
2014LexusGS350———No. 1
2014LexusGS450h———No. 1
2014LexusIS250Sedan2.5LV6—
2013LexusGS350———No. 1
2013LexusGS450h———No. 1
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 737338710630510ACT2083IMBDAA1447DA1671