Mercury - 65 Amp Alternator Delco V-Belt Charging System Marine-Grade Assembly 862030T01. OverviewA good alternator is one of those parts you rarely think about-until the moment it lets you down. Out on the water, where every piece of your electrical system matters, you want a charging setup that feels steady, predictable, and capable of keeping everything alive from the first turn of the key to the last quiet glide back into the slip. The Mercury Marine part number 862030T01 65 Amp Alternator b