Camshaft position sensor.
Porsche 987.1 Boxster '05-08
Porsche 987.2 Boxster '09-12
Porsche 987.1 Cayman '05-08
Porsche 987.2 Cayman '09-12
Porsche 997.1 '05-08
Porsche 997.2 '09-12
Porsche 991 '12-16
Porsche 981 Boxster '13-16
Porsche 981 Cayman '14-16