Mercury - Solenoid Kit Outboard & Inline 6-Cylinder Engines Marine-Grade Construction 853654A1. Overview. Every boater knows that a good day on the water starts with a reliable engine start. The Mercury Quicksilver 853654A1 Solenoid Kit delivers that reassuring click of confidence - the one that tells you your engine's ready to go when you are. Built for select Mercury 2-cylinder outboards and MerCruiser inline 6-cylinder engines, this solenoid kit is the heart of your starting system, channelin