Disc Brake Pad Wear Sensor. This part generally fits Porsche vehicles and includes models such as 911,Boxster,Cayman with the trims of Base Convertible 2-Door ,Base Hatchback 2-Door,Carrera GTS Convertible 2-Door,Carrera GTS Coupe 2-Door,Carrera S Convertible 2-Door,Carrera S Coupe 2-Door ,Limited Edition Convertible 2-Door.