OEM: OMC 581778

Marine Alternator Rectifier for Johnson Evinrude 4-5 Amp. Replaces Johnson Evinrude 581778 (older 582304). 4 Wire hook-up. Designed to fit the following models: Model Years 9.9 / 15 1974-1992 20 elec start 1989-1998 25 elec start 1977-2003 28 1989-1996 30 elec start 1989-2003 35 elec start...