Mercury - Quicksilver Condenser Ignition System Component Marine-Grade Construction 8M6001218. Overview. Every boater knows the feeling - that quiet moment before you turn the key, hoping the engine fires instantly so you can get on the water without hesitation. The Quicksilver 8M6001218 Condenser exists for that very moment. It's a small part, sure, but one that plays a big role in delivering a strong, reliable spark. When you're offshore or drifting near a rocky shoreline, you want to know you