Disc Brake Pad Wear Sensor. Manufacturer Warranty. Warranty Type. Warranty Duration. 2BWS0050, 2BWS0054, 47790-50070, 4779050050, PWS319, V70-72-0263, WS519. Part Numbers. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.