HomeRaybestos EWS170 Disc Brake Pad Wear Sensor - Front Left
Part #: EWS170

Raybestos EWS170 Disc Brake Pad Wear Sensor - Front Left

R-Line, Front Left
31 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
R-Line, Front Left
Fitment: Porsche, Boxster, 911, and Cayman
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Reliable Disc Brake Pad Wear Sensor for Porsche Models

The Raybestos R-Line Disc Brake Pad Wear Sensor (Part Number EWS170) is designed specifically for Porsche vehicles, including the 911, Boxster, and Cayman models. This sensor helps monitor brake pad wear to ensure timely maintenance and safe braking performance.

  • Compatible with Porsche 911, Boxster, and Cayman models
  • Part Number: EWS170 for precise identification
  • Disc brake pad wear sensor for accurate brake system monitoring
  • Manufactured by Raybestos under the R-Line product line
  • Ensures early warning of brake pad wear to maintain vehicle safety

About the Raybestos R-Line Product Line

The R-Line by Raybestos represents a dedicated product line focused on delivering reliable and consistent brake components. The R-Line disc brake pad wear sensors are engineered to meet the specific requirements of performance vehicles like Porsche, providing accurate wear detection and compatibility with factory brake systems. This ensures that the sensor integrates seamlessly with your vehicle’s braking system for dependable operation.

Product Description and Functionality

The Raybestos R-Line Disc Brake Pad Wear Sensor EWS170 is an essential component for monitoring the condition of your Porsche’s brake pads. By detecting when brake pads reach a critical wear level, this sensor triggers a warning light on the dashboard, alerting the driver to replace the pads promptly. This helps prevent brake damage and maintains optimal braking efficiency. Designed for Porsche 911, Boxster, and Cayman models, the sensor matches OEM specifications for fit and function.

Common Issues Addressed by This Sensor

  • Prevents brake pad damage by providing early wear alerts
  • Helps avoid brake system failure due to worn pads
  • Reduces risk of costly repairs from neglected brake maintenance
  • Maintains consistent braking performance and safety
  • Ensures compliance with vehicle safety monitoring systems

Installation Notes and Tips

  • Ensure compatibility with your Porsche model before installation
  • Handle the sensor carefully to avoid damage to wiring or connectors
  • Follow manufacturer guidelines for sensor placement and connection
  • Test the sensor function after installation to confirm proper operation
  • Replace brake pads simultaneously if wear sensor indicates replacement

Quality Assurance and Warranty

Raybestos R-Line parts, including the EWS170 disc brake pad wear sensor, are manufactured to meet strict quality standards. While specific warranty details may vary, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. This ensures that the sensor performs reliably under normal operating conditions when installed correctly.

This part fits 31 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2012Porsche911Carrera3.6LH6Front LeftRaybestos R-Line
2012PorscheBoxster3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2012PorscheCayman3.4LH6Front LeftCeramic Composite Brakes; Raybestos R-Line
2011Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2011Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2011Porsche911SpeedsterFront LeftR-Line
2011PorscheBoxster3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2011PorscheCayman3.4LH6Front LeftCeramic Composite Brakes; Raybestos R-Line
2010Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2010Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2010PorscheBoxster3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2010PorscheCayman3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2009Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2009Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2009PorscheBoxster3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2009PorscheCayman3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2008Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2008Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2008PorscheBoxster3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2008PorscheCayman3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2007Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2007Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2007PorscheBoxster3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2007PorscheCayman3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2006Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2006Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2006PorscheBoxster3.2LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2006PorscheCayman3.4LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2005Porsche911CarreraFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2005Porsche911Carrera SFront LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line
2005PorscheBoxster3.2LH6Front LeftDisc brake pad wear sensor compatible with ceramic composite brake pad set.; R-Line

* 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:

99761267501

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