Quicksilver Water Pump Kit 8M6012801 contains everything needed for a complete water pump replacement to keep your outboard's cooling system operating at peak performance. Fits Yamaha F75, F80, F90, F100Yamaha 67F-W0078-00-00, includes housing; Sierra 18-3409Contains water pump housing, insert cup, water pump gaskets (3), bolts and washers, impeller, impeller key, o-ring and wear plateQuicksilver marine parts are manufactured to rigorous quality standards for an exact fit and long service life to provide performance, protection and peace of mindPump impellers are manufactured from premium quality rubber material for outstanding longevity and performance. Stainless steel hardware is included for superior corrosion resistance