Mercury - Quicksilver Engine Starter Direct Drive Marine Starter Heavy-Duty Build 8M6007331. Overview. Every boater knows that the day can change in an instant. One moment you're easing away from the dock, the next you're pushing into open water with the sun glinting off the stern. In those moments, you want a starter that fires your outboard to life without hesitation. The Quicksilver 8M6007331 is the kind of part that quietly earns your trust-trip after trip, tide after tide. When you turn the