Features:Placement on vehicle: front, left, rear, right.Reference OE part number: 84474064, 84480342.Vehicle fitment: the brake pad wear sensors are compatible for S-ilverado 1500 2019-2022.Function: the brake pad wear sensor is mainly to monitor the wear of the brake pads, convert the wear information into electrical signals, and transmit them to the vehicle's electronic control unit (ECU). After receiving the signal, the ECU will activate the alarm light to remind the driver that the brake pads need to be replaced.Direct fit: OE replacement brake pad wear sensor, direct plug-in installation. Quick and accurate warning information of wear conditions.Premium material: these brake pad wear sensors are made of quality ABS plastic and metal material, high s.