generator, starter, distributor
964( 89-94) 928 (83-95) 944 (85-91) Ignition switch unit
911 (89-98) 924 (82-88) 928 except clubsport (87-95) 944 (82-91) 968 (92-95) Voltage regulator inside alternator
Ignition coil 911 (84-94), 924 (86-88), 928 (83-91), 944 (82-91), 968 (92-95)
924S (86-88), 928 (83-86), 944 (82-85), 9442 (85-91)Distributor cap
924S (86-88), 928 (83-95), 944 (82-91), 959 (87-88), 968 (92-95) Pulse sender