Mercury - Quicksilver Alternator Industrial and Marine Charging Series Corrosion-Resistant Marine Construction 8M6007516. Overview. There is a certain comfort that settles in when you know your engine is getting the steady charge it needs, whether you are running a small trawler at sunrise or working a piece of industrial equipment through a long, hot afternoon. A dependable alternator becomes that quiet reassurance in the background - the one part you rarely think about because it simply does i