Crank Position Sensor. FITS 1993-1994 6.0 XJ12 Damper Location and 1989-1993 5.3 V12 XJS Damper and Flywheel Locations From VIN 157118 On, 1994-1996 6.0 V12 XJS . Same part fits the damper and the flywheel locations for the 5.3 engine only. When this sensor fails your car will turn over but not start. NLA DAC4606 (DBC12507)