Pex W0133-1638957 Disc Brake Pad Wear Sensor Fitment: 1981-1983/Porsche/911/Base::Position=Front and Rear^^1984-1989/Porsche/911/Carrera::Position=Front^^1984-1989/Porsche/911/Carrera::Position=Rear^^1Carrera::Position=Front and Rear^^1978-1979/Porsche/930::Position=Front and Rear^^1983-1986/Porsche/944::Position=Front^^1984-1985/Porsche/911//3.3L H6::Position=Front and Rear