Brake Wear Sensors wear down with the pads and illuminate the brake pad wear indicator light/warning.
. Power Stop Electronic Rear Brake Wear Sensor - SW-1616 The PowerStop Brake Wear Sensors continue to work after thousands of miles, providing the safety and performance drivers count on. We pride ourselves to meet or exceed OEM requirements.V8 models only;Withstands heat up to 500 degrees;Super conductive electrodes;Snap-in installation;Recommended to be replaced with each brake job;California Residents: WARNING PowerStop has a reputation for precision and adherence to the strictest OEM standards, which extends to our Brake Wear Sensors.