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Standard Ignition RY-1605 Headlight Washer RelayOE Quality 60-Day Returns
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Part #: RY-1605

Standard Ignition RY-1605 Headlight Washer Relay

⚙️ 68 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota and Lexus, Prius, CT200h, GX460, IS250, IS350, RX350, HS250h, GS350, GS460, LS460, LS600h, Sequoia, GS450h, IS F, GS430, and GS300
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Reliable Headlight Washer Relay for Lexus and Toyota Vehicles

The Standard Ignition RY-1605 headlight washer relay is designed to ensure proper operation of the headlight washer system in select Lexus and Toyota models. This 12-volt relay features six male blade terminals and a female connector, providing a secure and efficient electrical connection.

Key Features of the Standard Ignition RY-1605 Headlight Washer Relay

  • 12-volt relay designed for headlight washer systems
  • Six male blade terminals for reliable connectivity
  • Female connector for easy integration
  • Mounting bracket not included
  • Compatible with multiple Lexus and Toyota models

Detailed Product Description

The Standard Ignition RY-1605 is a headlight washer relay engineered to meet the electrical requirements of various Lexus and Toyota vehicles, including the Lexus RX350, GS350, IS250, and Toyota Prius, Sequoia, and GX460. The relay operates at 12 volts and features six male blade terminals, which are standard for automotive relays, ensuring compatibility with factory wiring harnesses. The female connector design allows for straightforward installation and secure connection. Although this relay does not include a mounting bracket, it is designed to fit directly into the vehicle’s existing relay socket.

Common Applications and Issues Addressed

  • Restores headlight washer system functionality in Lexus RX350 and Toyota Sequoia
  • Resolves intermittent or non-functioning headlight washer activation
  • Replaces faulty relay causing headlight washer pump failure
  • Ensures consistent electrical relay operation in Lexus IS350 and GS300
  • Supports proper voltage regulation for headlight washer circuits

Installation Notes and Tips

  • Verify vehicle compatibility with Lexus and Toyota models listed before installation
  • Ensure the relay terminals align correctly with the vehicle’s wiring harness
  • Disconnect the battery before replacing the relay to prevent electrical shorts
  • Check for any corrosion or damage in the relay socket prior to installation
  • Test the headlight washer system after installation to confirm proper operation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RY-1605 headlight washer relay undergoes rigorous quality control to ensure reliable performance in compatible Lexus and Toyota vehicles. Warranty coverage details should be confirmed with the point of purchase or Standard Ignition documentation.

BrandStandard Ignition
Part NumberRY-1605
Connector GenderFemale
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade Terminals
Voltage12

This part fits 68 vehicles. Search below:

YearMakeModelPositionNotes
2015ToyotaPriusN/A
2014ToyotaPriusN/A
2013LexusCT200hN/A
2013LexusGX460N/A
2013LexusIS250N/A
2013LexusIS350N/A
2013LexusRX350N/A
2013ToyotaPriusN/A
2012LexusCT200hN/A
2012LexusGX460N/A
2012LexusHS250hN/A
2012LexusIS250N/A
2012LexusIS350N/A
2012LexusRX350N/A
2012ToyotaPriusN/A
2011LexusCT200hN/A
2011LexusGS350N/A
2011LexusGS460N/A
2011LexusGX460N/A
2011LexusHS250hN/A
2011LexusIS250N/A
2011LexusIS350N/A
2011LexusLS460N/A
2011LexusLS600hN/A
2011LexusRX350N/A
2011ToyotaPriusN/A
2011ToyotaSequoiaN/A
2010LexusGS350N/A
2010LexusGS450hN/A
2010LexusGS460N/A
2010LexusGX460N/A
2010LexusHS250hN/A
2010LexusIS250N/A
2010LexusIS350N/A
2010LexusLS460N/A
2010LexusLS600hN/A
2010LexusRX350N/A
2010ToyotaPriusN/A
2010ToyotaSequoiaN/A
2009LexusGS350N/A
2009LexusGS450hN/A
2009LexusGS460N/A
2009LexusIS FN/A
2009LexusIS250N/A
2009LexusIS350N/A
2009LexusLS460N/A
2009LexusLS600hN/A
2009ToyotaSequoiaN/A
2008LexusGS350N/A
2008LexusGS450hN/A
2008LexusGS460N/A
2008LexusIS FN/A
2008LexusIS250N/A
2008LexusIS350N/A
2008LexusLS460N/A
2008LexusLS600hN/A
2008ToyotaSequoiaN/A
2007LexusGS350N/A
2007LexusGS430N/A
2007LexusGS450hN/A
2007LexusIS250N/A
2007LexusIS350N/A
2007LexusLS460N/A
2006LexusGS300N/A
2006LexusGS430N/A
2006LexusIS250N/A
2006LexusIS350N/A
2005LexusGS300N/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:

1R21622081556-238785942300208594248020AR7109R7108RAA2813

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