Sierra 18-3477 Yamaha Water Pump Repair Kit - Replaces 6AW-W0078-00-00Sierra replacement water pump repair kit for Yamaha Outboards. Does not include housing.Fits: F300 / LF300 (2007-09), F350 / LF350 (2007-19)Interchangeable with: Yamaha Outboard ; 6AW-W0078-00-00; Repair Kit Contains: 18-3028 Woodruff key; 18-0421 Outer wear plate; 18-0452 Water pump gasket; 18-7471 Outer O-ring; 18-3457 Impeller Cup Insert; 18-8925 Impeller; 18-7483 O-Ring; 18-0256 Bolt; Pin Dowel;