Mercury - Quicksilver 55-Amp Alternator For V6 & V8 MerCruiser Engines (1996-1999) 807652T. Overview. When it's time to replace your alternator, trust the Mercury Marine 807652T Quicksilver 55-Amp Alternator to restore dependable charging performance. Designed for V6 and V8 MerCruiser sterndrive and inboard engines made by General Motors (1996-1999), this alternator is built for engines equipped with a serpentine belt drive system. It delivers a steady 55 amps of power to keep your batteries cha