HomeElectrical, Lighting and Body > SensorsStandard Ignition EFL164 Automatic Headlight Sensor
Part #: EFL164

Standard Ignition EFL164 Automatic Headlight Sensor

20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$234.36Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus and Toyota, Camry, Highlander, Land Cruiser, LX470, Prius, and Venza
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Automatic Headlight Sensor for Lexus and Toyota Vehicles

The Standard Ignition EFL164 automatic headlight sensor is designed to provide accurate and consistent headlight activation for select Lexus and Toyota models. Engineered with precise connector and terminal specifications, this sensor ensures seamless integration and reliable performance.

  • Connector Gender: Female for secure plug-in connection
  • Single square-shaped connector for easy installation
  • Plug-in connector type compatible with factory wiring
  • Includes sensor component only
  • Terminal Gender: Male with 4 blade terminals for stable electrical contact

Detailed Product Description

The Standard Ignition EFL164 automatic headlight sensor features a female connector with a single square plug-in design, making it compatible with the original equipment wiring harnesses found in Lexus and Toyota vehicles. The sensor uses four male blade terminals to ensure a reliable electrical connection, minimizing the risk of signal loss or malfunction. This sensor is specifically engineered for models such as the Lexus LX470 and Toyota Camry, Highlander, Land Cruiser, Prius, and Venza, providing consistent automatic headlight operation based on ambient light conditions.

Compatible Vehicles and Common Applications

  • Automatic headlight activation issues in Lexus LX470 and Toyota Highlander
  • Intermittent headlight sensor failures in Toyota Camry and Prius
  • Headlight sensor replacement for Toyota Land Cruiser and Venza
  • Resolving sensor-related headlight delay or non-activation
  • Restoring factory automatic lighting functionality in compatible Lexus and Toyota models

Installation Notes and Tips

When installing the Standard Ignition EFL164 sensor, ensure the female connector aligns properly with the vehicle’s wiring harness. The square connector shape and plug-in design facilitate straightforward replacement without modification. Verify that the four male blade terminals are clean and free of corrosion before installation to maintain optimal electrical contact. It is recommended to disconnect the vehicle battery prior to sensor replacement to avoid electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring dependable performance and durability. While specific warranty details for part number EFL164 are not provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. For precise warranty information, refer to the product packaging or manufacturer documentation.

BrandStandard Ignition
Part NumberEFL164
Connector GenderFemale
Connector Quantity1
Connector ShapeSquare
Connector TypePlug in
ContentsSensor
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade

This part fits 20 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2011ToyotaHighlanderN/Aw/o Auxiliary AC
2010ToyotaHighlanderBaseN/Aw/ Single Zone Temp Control
2010ToyotaPriusN/A
2010ToyotaVenzaN/A
2009ToyotaCamryLEN/A
2009ToyotaHighlanderBaseN/Aw/ Single Zone Temp Control
2009ToyotaVenzaN/A
2008ToyotaCamryLEN/A
2008ToyotaHighlanderBaseN/Aw/ Single Zone Temp Control
2007LexusLX470N/A
2007ToyotaCamryLEN/A
2007ToyotaLand CruiserN/A
2006LexusLX470N/A
2006ToyotaLand CruiserN/A
2005LexusLX470N/A
2005ToyotaLand CruiserN/A
2004LexusLX470N/A
2004ToyotaLand CruiserN/A
2003LexusLX470N/A
2003ToyotaLand CruiserN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8912130010AHS503EFL164FC754

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.