Marine Alternator 68 Amp replaces 78477, 78403A2 18-5951- Equipped with fan and drive pulley - 68 Amp - 3 wire no core - Remanufactured - SAE J1171 - Replaces Mando, Motorola and OEM Delco - Uses same electrical connections and mounting method. - Replaces 78477, 78403A2, 92497A3, 69729
18-5951 Has many other applications and is a fully spark protected marine alternator