Quicksilver 47-85089Q-4 Water Pump Repair KitThis kit fits 15-25hp 2-stroke Mercury and Mariner outboards. See your owner's manual for replacement schedule and installation instructions.Application: Fits various 15 thru 25 hp 2 cycle outboards. See chart for specific engine applications. Complete 8-piece water pump repair kit; Kit contains gaskets, o-rings, plates, impeller and impeller key for easy installation with common tools; Designed for durability to provide higher flow rates and cooling flow to protect your engine; Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your Mercury or Mariner outboard;