Yamaha 663-W0078-A0-00 Water Pump Repair Kit – C55 (90~91) Genuine OEM Yamaha part. Water Pump repair kit for Yamaha 2-Stroke Outboards. Application:C55 (90~91) Kit Contains: Quantity Part Description Part Number 1 Gasket, Water Pump 663-44315-A0-00 1 Insert, Cartridge 663-44322-00-00 1 Outer Plate, Cartridge 663-44323-00-00 1 Gasket, Cartridge 663-44324-A0-00 1 Damper, Water Seal 2 663-44366-00-00 1 Impeller 6H3-44352-00-00 1 Key, Woodruff 90280-03024-00 2 Bolt 97095-08045-00 2 Bolt 97095-08055-00 Special Order Yamaha Marine Information:Additional Handling Time: Item transfers from an alternate warehouse requires an additional 23 business days to ship.Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.Verify Fitment Before Ordering: Please confirm compatibility with your engine model.