Sierra Alternator - Mercruiser - S18-5945. (3-Wire) (No Core) (68 AMP), SAE J1171Replaces Mando, Motorola and original equipment Delco. Uses same electrical connections and mounting method. Equipped...
Sierra Alternator - Mercruiser - S18-5946. (1-Wire) (No Core) (68 AMP)Single wire connection fits Mercruiser and many other applications. Equipped with fan and serpentine drive pulley. SAE J1171 Part...
(1-Wire) (No Core) (68 AMP)\nSingle wire connection fits Mercruiser and many other applications. Equipped with fan and drive pulley.\nReplaces 69729, 90794, 78403A2, 78403A1, 78477, 59755, 56045 SAE...
Sierra Elbow - Mercruiser - S18-1973. Replaces: 39920, 39920A1, 55538A2Barr MC-20-55538Fits: Most early Model 120 HP Mercruiser applications Part Number SRA-S18-1973