Four Seasons 73518 HVAC Blend Door Actuator - Main
OE Quality 60-Day Returns
Four Seasons
 Air Door Actuator

Four Seasons 73518 HVAC Blend Door Actuator - Main

Brand Four Seasons 73518
Position Main
Door Linkage Female
Style HVAC Air Door Actuator
Terminal Pin Qty. 5
Product line Air Door Actuator
Fits Lexus · 31 vehicles

OE direct replacement. HVAC air door actuator for straightforward replacement.

Five-pin connector. Uses a 5-terminal design for reliable electrical connection.

Air door actuator. Controls HVAC airflow through the blend door system.

Cross-references Four Seasons 73518, 8710650370 and A60518 for the same application. See all 4.

$129.63Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Four Seasons 73518 Air Door Actuator

Restore HVAC air distribution control with the Four Seasons 73518 Air Door Actuator. This HVAC blend door actuator is built with a female door linkage and a 5-terminal pin layout for the specified Lexus and Toyota applications. It is a direct-fit replacement for vehicles that use the main or right air door actuator positions listed below.

Key Features

  • Four Seasons Air Door Actuator, part number 73518
  • HVAC blend door actuator for air door control
  • Female door linkage
  • 5-terminal pin configuration
  • Fits main and right HVAC actuator positions on select Lexus and Toyota models
  • Cross-references Four Seasons 73518 and related OE-style numbers 8710650370, A60518

Fitment Details

  • Fits 2017 Lexus LS460, Main.
  • Fits 2007-2014 Lexus LS460, Main.
  • Fits 2014 Lexus IS250, No. 3.
  • Fits 2014 Lexus IS350, No. 3.
  • Fits 2008-2014 Lexus LS600h, Main.
  • Fits 2013 Lexus LX570, To 1/2013.
  • Fits 2013 Toyota Land Cruiser, Main, To 1/2013.
  • Fits 2012 Lexus HS250h, Right, To 1/30/12.
  • Fits 2010-2011 Lexus HS250h, Right.
  • Fits 2009-2011 Lexus LX570, N/A.
  • Fits 2009-2011 Toyota Land Cruiser, Main.
  • Fits 2008 Lexus LX570, N/A, From 11/07.
  • Fits 2008 Toyota Land Cruiser, Main, From 11/07.

What It Helps Fix

  • Incorrect cabin air temperature blending
  • Airflow stuck at one vent or outlet setting
  • HVAC mode changes that do not respond properly
  • Clicking or binding inside the dash HVAC case
  • Loss of control over the main or right air door function

Installation Notes

Verify the actuator position, connector style, and terminal count before installation. This part is specified for the listed Lexus LS460, LS600h, HS250h, IS250, IS350, LX570, and Toyota Land Cruiser applications, including the noted production cutoffs and position codes. After installation, cycle the HVAC controls to confirm proper door movement and temperature response.

Quality Assurance

Four Seasons supplies HVAC replacement components for vehicle-specific applications. Part number 73518 is cataloged as an air door actuator with defined linkage and terminal specifications to support accurate fitment on the listed vehicles.

Related reading

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2017LexusLS460MainAir Door Actuator
2014LexusIS250N/ANo. 3
2014LexusIS350N/ANo. 3
2014LexusLS460MainAir Door Actuator
2014LexusLS600hMainAir Door Actuator
2013LexusLS460MainAir Door Actuator
2013LexusLS600hMainAir Door Actuator
2013LexusLX570N/ATo 1/2013
2013ToyotaLand CruiserMainTo 1/2013
2012LexusHS250hRightTo 1/30/12
2012LexusLS460MainAir Door Actuator
2012LexusLS600hMainAir Door Actuator
2011LexusHS250hRight—
2011LexusLS460MainAir Door Actuator
2011LexusLS600hMainAir Door Actuator
2011LexusLX570N/A—
2011ToyotaLand CruiserMain—
2010LexusHS250hRight—
2010LexusLS460MainAir Door Actuator
2010LexusLS600hMainAir Door Actuator
2010LexusLX570N/A—
2010ToyotaLand CruiserMain—
2009LexusLS460MainAir Door Actuator
2009LexusLS600hMainAir Door Actuator
2009LexusLX570N/A—
2009ToyotaLand CruiserMain—
2008LexusLS460MainAir Door Actuator
2008LexusLS600hMainAir Door Actuator
2008LexusLX570N/AFrom 11/07
2008ToyotaLand CruiserMainFrom 11/07
2007LexusLS460MainAir Door Actuator
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 735188710650370A60518DA1483