Four Seasons 73754 HVAC Recirculation Door Actuator - Auxiliary
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Four Seasons

Four Seasons 73754 HVAC Recirculation Door Actuator - Auxiliary

Brand Four Seasons 73754
Position Auxiliary
Door Linkage Gear
Mounting Ear Qty. 3
Style Hvac air door actuator
Terminal Pin Qty. 5
Fits Lexus · 7 vehicles

Gear linkage. Provides precise HVAC door movement for consistent recirculation control.

Five-terminal design. Matches the specified electrical connection for the actuator application.

Four Seasons engineering. Backed by more than 50 years of mobile A/C experience.

Cross-references Four Seasons 73754 and 8710650540 for the same application. See all 2.

$38.66Free shipping
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HVAC Recirculation Door Actuator Overview

This Four Seasons HVAC recirculation door actuator is built for controlled air-door movement in the climate system. It is a direct-fit replacement for select Lexus LS600h auxiliary applications and is identified by part number 73754.

Key Features

  • Gear-style door linkage for precise actuator movement.
  • HVAC air door actuator design for recirculation door control.
  • Five-terminal electrical connection for the specified application.
  • Three mounting ears for secure installation alignment.

Detailed Description

Four Seasons part number 73754 is an HVAC recirculation door actuator engineered for auxiliary climate control applications in the Lexus LS600h. The gear linkage and five-pin terminal layout support accurate door positioning, while the three-ear mounting style matches the specified fitment. This part cross-references 8710650540 for the same application. Four Seasons draws on more than 50 years of mobile A/C experience, and this actuator is tested for dependable operation in the HVAC system.

Common Issues This Part Can Address

  • Recirculation door movement that is inconsistent or unresponsive.
  • HVAC airflow that does not switch correctly between fresh and recirculated air.
  • Climate control door noise caused by a worn actuator gear.
  • Loss of proper auxiliary HVAC door positioning.

Installation Notes and Tips

Verify the connector style, terminal count, mounting ear layout, and door linkage type before installation. Confirm the auxiliary application and note reference for the Lexus LS600h to ensure the correct replacement. Use the part number 73754 when matching the actuator to the vehicle’s HVAC configuration.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2016LexusLS600hN/AAuxiliary
2015LexusLS600hAuxiliaryNo. 3
2014LexusLS600hN/AAuxiliary
2013LexusLS600hN/AAuxiliary
2012LexusLS600hN/AAuxiliary
2011LexusLS600hN/AAuxiliary
2010LexusLS600hN/AAuxiliary
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 737548710650540