Mercury - Quicksilver 809463A1 Starter Solenoid Assembly Mercury Verado 200-300HP Outboards Marine-Grade OEM 809463A1. Overview. There's no better sound than your Verado roaring to life - quick, confident, and smooth. The Quicksilver 809463A1 Starter Solenoid Assembly makes sure that moment happens every single time. Built to Mercury Marine OEM standards, this solenoid delivers the precise power flow your starter motor needs for consistent, effortless ignition.. Designed for Mercury Verado 200-3