Water Pump Impeller Kit with Housing – Fits Yamaha 40-60 HP (Replaces 63D-W0078-01-00, Sierra 18-3415) 75-225HP Start the engine and check

Start the engine and check for smooth operation

and fuel leaks from the carburetor body

Engineered with a UV and saltwater-resistant rubber compound suitable for harsh marine environments

The surest way is to match your engine's model number and year to our compatibility table

Brand Part Number OMC 984461 OMC 984744 Sierra 18-3348 Sierra 18-3212-1 GLM 12092

Water Pump Impeller Kit with Housing – Fits Yamaha 40-60 HP (Replaces 63D-W0078-01-00, Sierra 18-3415) 75-225HP Start the engine and checkProduct Details This Water Pump Impeller Kit with Housing is a complete aftermarket solution designed for Yamaha 2 stroke (40 50 HP, 19952009) and 4 stroke (40 60 HP, 19952009) outboard engines. It provides everything necessary for a full water pump service to restore cooling performance and prevent overheating. It serves as a direct replacement for Yamaha OEM part numbers 63D W0078 01 00 and 63D W0078 03 00, as well as Sierra aftermarket parts 18