Mercury - Quicksilver 8M6007412 Engine Starter Volvo Penta Series Marine-Grade Construction 8M6007412. Overview. There's nothing quite like the moment right before an engine fires-whether you're easing away from a quiet dock at sunrise or getting ready for a long run offshore. That brief turn of the key means everything, and when your starter responds with confidence, you feel it all the way through the hull. The Quicksilver 8M6007412 Engine Starter is built for those exact moments-steady, sure,