Mercury – Thermostat Assembly | Cooling System | 120°F Rated | 8M0090819 Yamaha-F350-2013 corrosion-resistant housings designed for harsh

corrosion-resistant housings designed for harsh marine environments

400 Series Key Cover

throttle response tightens up

Fits 25hp and 30hp EFI 4-stroke engines (2006 and newer)

1159ci HD DI Combo

Mercury – Thermostat Assembly | Cooling System | 120°F Rated | 8M0090819 Yamaha-F350-2013 corrosion-resistant housings designed for harshMercury Thermostat Assembly Cooling System 120F Rated 8M0090819 Overview Theres a certain comfort that comes from an engine running at just the right temperature. You can hear it in the steady rhythm at idle and feel it when you push the throttle and the boat lifts effortlessly onto plane. That sense of control and predictability doesnt happen by accidentits the result of dependable parts doing their job quietly beneath the cowling. The Mercury