HomeElectrical, Lighting and Body > SwitchesStandard Ignition SLS-491 Brake Light Switch
Part #: SLS-491

Standard Ignition SLS-491 Brake Light Switch

⚙️ 33 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Subaru, WRX STI, BRZ, WRX, Forester, and Impreza
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Reliable Brake Light Switch for Subaru Vehicles

The Standard Ignition SLS-491 brake light switch is designed to provide consistent and accurate brake light activation for Subaru models including the BRZ, Forester, Impreza, WRX, and WRX STI. This essential electrical component ensures your brake lights respond promptly, enhancing safety and communication on the road.

  • Compatible with Subaru BRZ, Forester, Impreza, WRX, and WRX STI
  • Direct replacement brake light switch for reliable performance
  • Ensures proper brake light activation and cruise control disengagement
  • Durable construction for long-lasting operation
  • Part number SLS-491 for precise fit and function

Product Details and Functionality

The Standard Ignition SLS-491 brake light switch is an OEM-quality replacement part engineered to meet the specifications of the original equipment. It is installed near the brake pedal assembly and is responsible for sending an electrical signal to activate the brake lights when the pedal is pressed. This switch also plays a role in disabling cruise control when braking, contributing to vehicle safety systems. Designed specifically for Subaru models such as the BRZ, Forester, Impreza, WRX, and WRX STI, the SLS-491 ensures compatibility and proper operation without modification.

Common Applications and Problem Resolution

  • Restores brake light functionality when lights fail to illuminate
  • Resolves issues with cruise control not disengaging upon braking
  • Fixes intermittent brake light activation problems
  • Eliminates warning lights related to brake switch faults
  • Addresses brake pedal sensor malfunctions affecting vehicle safety systems

Installation Notes and Tips

  • Ensure the vehicle is turned off and the key is removed before installation
  • Locate the brake light switch near the brake pedal assembly for removal
  • Disconnect the electrical connector carefully to avoid damage
  • Install the SLS-491 switch securely and verify proper pedal engagement
  • Test brake lights and cruise control function after installation

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The SLS-491 brake light switch undergoes rigorous quality control to ensure consistent operation. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

BrandStandard Ignition
Part NumberSLS-491
Connector GenderFemale
FinishPlastic
FunctionsStoplight Switch
Terminal GenderMale
Terminal TypeBlade

This part fits 33 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2021SubaruWRXN/A
2021SubaruWRX STIN/A
2020SubaruBRZN/A
2020SubaruWRXN/A
2020SubaruWRX STIN/Aw/ LED Lights
2019SubaruBRZN/Aw/ LED Lights
2019SubaruWRXN/Aw/ LED Lights
2019SubaruWRX STIN/Aw/ LED Lights
2018SubaruBRZN/Aw/ LED Lights
2018SubaruForesterN/Aw/ LED Lights
2018SubaruWRXN/Aw/ LED Lights
2018SubaruWRX STIN/Aw/ LED Lights
2017SubaruBRZN/Aw/ LED Lights
2017SubaruForesterN/Aw/ LED Lights
2017SubaruWRXN/Aw/ LED Lights
2017SubaruWRX STIN/Aw/ LED Lights
2016SubaruBRZN/Aw/ LED Lights
2016SubaruImprezaN/A
2016SubaruWRXN/Aw/ LED Lights
2016SubaruWRX STIN/Aw/ LED Lights
2015SubaruBRZN/Aw/ LED Lights
2015SubaruImprezaN/A
2015SubaruWRXN/Aw/ LED Lights
2015SubaruWRX STIN/Aw/ LED Lights
2014SubaruBRZN/Aw/ LED Lights
2014SubaruImprezaHatchbackN/A
2013SubaruBRZN/Aw/ LED Lights
2013SubaruImprezaHatchbackN/A
2012SubaruImprezaN/Aw/ LED Lights
2011SubaruImprezaN/Aw/ LED Lights
2010SubaruImprezaN/Aw/ LED Lights
2009SubaruImprezaN/Aw/ LED Lights
2008SubaruImprezaN/Aw/ LED Lights

* 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:

18-23541S1092153-5470083311FG000S61211SL1041SW8242V63-73-0006

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