Quicksilver 60930 Water Shutter, Water Flapper for Select MerCruiser Sterndrive Engines Ranger Green It's a great addition to

It's a great addition to any angler's tackle box

Carbon Alloy™ technology  Provides maximum odor adsorption

Widely Accomodating

Includes control head

(Requires AS GPS HS or Minn Kota Heading Sensor with Ultrex trolling motor with i-Pilot link)

Quicksilver 60930 Water Shutter, Water Flapper for Select MerCruiser Sterndrive Engines Ranger Green It's a great addition toMerCruiser 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