Mercury - Quicksilver Engine Starter Gear Reduction Marine Starter Heavy-Duty Build 8M6007411. Overview. Every boater knows the small rush of relief that comes when an engine fires on the first turn-especially when you are sitting over deep water with a long run ahead of you. The Quicksilver 8M6007411 starter brings that familiar, dependable feeling to Volvo Penta diesel platforms and select automotive diesel engines adapted for marine use. It's a starter that feels solid the moment you turn the