Mercury - Quicksilver 8M6007443 Engine Starter Yanmar Diesel Series Epoxy-Coated Construction 8M6007443. Overview. There is a special kind of trust that develops between a boater and their diesel engine. When you turn the key and that deep, steady rumble comes alive without hesitation, it brings a sense of calm you carry all day on the water. Whether you are pushing through an early-morning departure or easing toward the dock after a long run, you want a starter that responds the moment you ask.