91160312004 J1 A14 N11 Reconditioned 75 amp alternator for 911's with internal voltage reg. Also for earlier external voltage regulated cars when a simple wiring modification is carried out. This unit is sold on an exchange basis, there is a core charge of £150 (core charge C) required to be added on this part, please add it to your shopping basket, it will be refunded on receipt of your old unit.