Quicksilver 60930 Water Shutter, Water Flapper for Select MerCruiser Sterndrive Engines Trolling Motors Accessories Keeps liquids hot for up

Keeps liquids hot for up to 20 hours

mounting faceplate

Blade stays sharper longer

plus the silent CZB Spool Bearings and comfortable knobs

30-foot cable

Quicksilver 60930 Water Shutter, Water Flapper for Select MerCruiser Sterndrive Engines Trolling Motors Accessories Keeps liquids hot for upMerCruiser Water Shutter 60930, also known as a water flapper, acts as a flexible check valve for your exhaust system. It allows exhaust to exit freely while the engine is running but closes when the engine is off to prevent water from back flowing and causing catastrophic engine damage or corrosion. Acts as a flexible check valve to stop water return Fits numerous MerCruiser sterndrive exhaust systems Installed downstream of the flexible union