Mercury - Quicksilver Engine Starter Diesel Starting Series Durable Marine Construction 8M6007440. Overview. Starting a diesel engine is one of those moments that never loses its significance. You press the button, hear the starter engage, and wait for that familiar rumble that says everything is working exactly as it should. When the system responds instantly, it sets the tone for the entire day - whether you're casting off before sunrise or getting ready for a long stretch offshore. The Mercur