Porsche 964 993 Alternator Belt Tension SENSOR Belt Tension Sensor for Alternator Belt. part# (993 106 035 00). Fits: : (1989-1994): 911 Carrera 2 Fits: : (1995-1998): 911 Carrera Fits: : (1989-1998): 911 Carrera 4 Fits: : (1996-1997): 911 Turbo