Sierra 18-3474 Yamaha Water Pump Repair KitThe Sierra 18-3474 Yamaha Water Pump Repair Kit is for VF225 & VF250 (2009-2019) Yamaha.Contains: (1) 18-3519 Water Pump Housing Insert Cup; (1) 18-0451 Water Pump Gasket; (1) 18-4572 Outer Wear Plate; (1) 18-3071 Impeller; (4) 18-0256 Bolt; (1) 18-3302 Impeller Key; (1) 18-7483 O-Ring; (1) 18-7485 O-Ring; (2) Pin Dowel; Interchangeable with: Yamaha Outboard; 6CB-W0078-00-00;