The convenient Quicksilver Flushing Kit lets you use your freshwater supply to clean harsh saltwater easily out of your outboard motor. The simple garden-hose connector lets you connect in seconds, and its efficient operation helps you prevent galvanic corrosion and protect your investment. Any boater who values his vessel should pick up a Quicksilver Flushing Kit and keep their boat ready for more days on the water. Quick, easy way to clean harsh saltwater from your outboard engine Easy-attach garden-hose connector Helps to prevent galvanic corrosionNOTE: Fits Mercury/Mariner 20hp and higher outboards, 9.9/15hp 4-stroke Bigfoot outboards, 2005 and newer 8-15hp 4-stroke outboards, all MerCruiser sterndrives (except Bravo One Perf. & Blackhawk), and MHP TorqueMaster gearcases.NOTE: 2000 and newer V-6 outboards and MerCruiser Bravo drives with dual water pick-up also require dual water pick-up flush seal kit, model #881150Q1 (not included.