Mercury – Water Separating Fuel Filter | High-Horsepower Outboard Fuel Protection | 10-Micron Contaminant Removal | 8M0166596 Yamaha-T50-2019 The 807166A1 water shutter does

The 807166A1 water shutter does one thing but does it exceptionally well — it protects your engine from backwash

more confident

consistent performance with efficient cruising

most boaters can replace the anodes easily with common tools

Mercury – Water Separating Fuel Filter | High-Horsepower Outboard Fuel Protection | 10-Micron Contaminant Removal | 8M0166596 Yamaha-T50-2019 The 807166A1 water shutter doesMercury Water Separating Fuel Filter High Horsepower Outboard Fuel Protection 10 Micron Contaminant Removal 8M0166596 Overview When you run a Mercury Racing engine or a V12 Verado, every detail matters. These engines arent just powerful theyre refined, responsive and built to deliver reliable speed across long stretches of open water. And nothing disrupts that performance faster than contaminated fuel. With todays fuel blends and moisture rich marine