Water Pump Impeller Repair Kit – Fits Yamaha 40-60 HP (Replaces 63D-W0078-00-00, 63D-W0078-01-00) 3.9HP most marine engine manufacturers recommend

most marine engine manufacturers recommend inspecting your impeller annually and replacing it every 1-2 years or every 100-200 engine hours

Disconnect the battery and drain the cooling system completely

including models from Mercury

and equipment housings

Check our "Engine & Model Compatibility" table

Water Pump Impeller Repair Kit – Fits Yamaha 40-60 HP (Replaces 63D-W0078-00-00, 63D-W0078-01-00) 3.9HP most marine engine manufacturers recommendProduct Details This Water Pump Impeller Repair Kit Fits Yamaha 40 60 HP (Replaces 63D W0078 00 00, 63D W0078 01 00) is designed for Yamaha 40 HP to 60 HP outboard motors (2 stroke and 4 stroke) manufactured from 1995 to the present. It contains all necessary components to restore your engine's cooling system to factory fresh performance. It serves as a direct replacement for Yamaha OEM parts 63D W0078 00 00 and 63D W0078 01 00, as well as aftermarket