Water Pump Impeller – Fits Mercury Marine 4-9.8 HP 2-Stroke Outboards (Replaces 47-89981) 4HP Inspect the end plate and

Inspect the end plate and housing for wear or scoring

Reduced engine performance can also be a sign of poor cooling

Route the new switch wires through the transom

It is specifically built for use with Sherwood pumps that utilize the 17000K

Remove the retaining pins or bolts to detach the cylinder from the stern drive

Water Pump Impeller – Fits Mercury Marine 4-9.8 HP 2-Stroke Outboards (Replaces 47-89981) 4HP Inspect the end plate andProduct Details This high quality Water Pump Impeller Fits Mercury Marine 4 9. 8 HP 2 Stroke Outboards (Replaces 47 89981) is an aftermarket component engineered for a direct fit on various Mercury Marine 2 Stroke outboard motors, including 4, 4. 5, 6, 7. 5, and 9. 8 HP models. It is designed to restore cooling system performance and prevent engine overheating. This part serves as a direct cross reference for several part numbers, including Sierra 18