Standard Ignition EFL183 Ambient Light Sensor
OE Quality 60-Day Returns
Standard Ignition

Standard Ignition EFL183 Ambient Light Sensor

Brand Standard Ignition EFL183
Attachment Method Push-in
Color/Finish Black, blue
Connector Gender Female
Connector Quantity 1
Connector Shape Polygon
Connector Type Plug
Contents Sensor
Terminal Gender Male
Terminal Quantity 6
Terminal Type Pin
Fits Lexus and Toyota · 108 vehicles

OE-style replacement. Built for direct service use with a push-in mount and keyed plug connection.

6-pin terminal layout. Supports the electrical interface required by the original sensor circuit.

Standard Ignition EFL183. Replacement ambient light sensor for factory light-control systems.

Cross-references Standard Ignition EFL183, 8912106020 and AHS583 for the same application. See all 4.

$125.52Free 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 $125.52
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 Ambient Light Sensor options

Overview

Standard Ignition EFL183 is an ambient light sensor for vehicles that use automatic lighting and related cabin light control functions. It is built with a push-in attachment, a single plug connector, and a 6-pin male terminal layout for direct electrical replacement.

Compatible With Lexus and Toyota applications across a wide range of model years, this sensor supports accurate light detection for systems that rely on ambient input. The EFL183 part number is also referenced as a replacement for 8912106020, AHS583, and FC783 for the same application.

Key Features

  • Push-in attachment method for straightforward sensor mounting.
  • Single female connector with polygon shape for keyed electrical connection.
  • 6-pin male terminal design for proper circuit interface.
  • Black and blue housing finish for OE-style appearance.
  • Ambient light sensor construction for automatic lighting control systems.

Detailed Description

Standard Ignition EFL183 is an ambient light sensor used in Lexus and Toyota vehicles equipped with automatic lighting or related light-sensing functions. The sensor uses a push-in mount, one plug-style connector, and a 6-terminal pin layout to match the electrical requirements of the application. The EFL183 part number appears in fitments for Lexus GS450h, IS250, RX350, LS460, and Toyota Camry, Highlander, Sienna, and Tundra applications, among others.

This part cross-references 8912106020 and AHS583 for the same application. When replacing a failed sensor, matching the connector style, terminal count, and mounting method is important for proper system operation.

What It Is Used For

  • Restoring automatic headlight response to changing ambient light.
  • Replacing a sensor with damaged connector terminals or housing.
  • Correcting intermittent light-sensing signal loss.
  • Addressing lighting control faults tied to the ambient sensor circuit.
  • Returning proper operation to factory light-management systems.

Installation Notes and Tips

Verify connector shape, terminal count, and attachment method before installation. This sensor uses a female plug connector with male pin terminals, so the mating harness must match the original configuration. Confirm vehicle-specific fitment for the exact Lexus or Toyota application before replacement.

Quality Assurance

Standard Ignition supplies replacement electrical components for OE-style service applications. EFL183 is built to match the listed fitment and connection requirements for the vehicles shown.

This part fits 108 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelNotes
2011LexusGS450h——
2011LexusGX460——
2011LexusIS F——
2011LexusIS250——
2011LexusLS600h——
2011LexusLX570——
2011Toyota4Runner——
2011ToyotaAvalon——
2011ToyotaHighlander——
2011ToyotaLand Cruiser——
2011ToyotaSequoia——
2011ToyotaSienna——
2011ToyotaTundra——
2010LexusES350——
2010LexusGS450h——
2010LexusGX460——
2010LexusHS250h——
2010LexusIS F——
2010LexusIS250——
2010LexusLS600h——
2010LexusLX570——
2010LexusRX350——
2010LexusSC430——
2010Toyota4Runner——
2010ToyotaAvalon——
2010ToyotaHighlanderBasew/ Dual Zone Temp Control
2010ToyotaLand Cruiser——
2010ToyotaSequoia——
2010ToyotaSienna——
2010ToyotaTundra——
2010ToyotaVenza——
2009LexusES350——
2009LexusGS450h——
2009LexusGX470——
2009LexusIS F——
2009LexusIS250——
2009LexusLS460——
2009LexusLS600h——
2009LexusLX570——
2009LexusRX350——
2009LexusSC430——
2009ToyotaAvalon——
2009ToyotaCamryHybrid—
2009ToyotaHighlanderBasew/ Dual Zone Temp Control
2009ToyotaLand Cruiser——
2009ToyotaSequoia——
2009ToyotaSienna——
2009ToyotaTundra——
2009ToyotaVenza——
2008LexusES350——
2008LexusGS450h——
2008LexusGX470——
2008LexusIS F——
2008LexusIS250——
2008LexusLS460——
2008LexusLS600h——
2008LexusLX570——
2008LexusRX350——
2008LexusRX400h——
2008LexusSC430——
2008ToyotaAvalon——
2008ToyotaCamryHybrid—
2008ToyotaHighlanderBasew/ Dual Zone Temp Control
2008ToyotaLand Cruiser——
2008ToyotaSequoia——
2008ToyotaSienna——
2008ToyotaTundra——
2007LexusES350——
2007LexusGS450h——
2007LexusGX470——
2007LexusIS250——
2007LexusLS460——
2007LexusRX350——
2007LexusRX400h——
2007LexusSC430——
2007ToyotaAvalon——
2007ToyotaCamryHybrid—
2007ToyotaSienna——
2007ToyotaTundra——
2006LexusGS300——
2006LexusGX470——
2006LexusIS250——
2006LexusLS430——
2006LexusRX330——
2006LexusRX400h——
2006LexusSC430——
2006ToyotaAvalon——
2006ToyotaSienna——
2005LexusGX470——
2005LexusLS430——
2005LexusRX330——
2005LexusSC430——
2005ToyotaAvalon——
2005ToyotaSienna——
2004LexusGX470——
2004LexusLS430——
2004LexusRX330——
2004LexusSC430——
2004ToyotaSienna——
2003LexusES300——
2003LexusGX470——
2003LexusLS430——
2003LexusSC430——
2003ToyotaSienna——
2002LexusES300——
2002LexusLS430——
2002LexusSC430——
2001LexusLS430——
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — EFL1838912106020AHS583FC783