Mercury - Quicksilver Engine Starter 12-Volt Marine Starter 8M6007340. Overview. If you spend enough time on the water, you know there's nothing quite like the sound of an engine catching on the first turn. It settles you in, clears your head, and lets you focus on the day ahead rather than the "what ifs." That sense of reassurance is exactly what this Quicksilver starter brings. It feels solid, trustworthy, and built for the kind of everyday boating we all do - early mornings at the ramp, slow