Brake Wear Sensors wear down with the pads and illuminate the brake pad wear indicator light/warning.
Built tough;Tested at 500 degrees fahrenheit to ensure reliability;Produced to meet or exceed the strictest OEM standards;Ready to install - No modifications necessary;California Residents: WARNING PowerStop has a reputation for precision and adherence to the strictest OEM standards, which extends to our Brake Wear Sensors. When that happens, it is time to replace the brake pads as well as the sensors.