Genuine Mercury / Quicksilver Water Pump Impeller

Part Number: 8M0204712

Genuine Mercury / Quicksilver replacement water pump impeller for various 15–25hp outboard engines. The impeller is the heart of your outboard’s raw water cooling system — a worn or cracked impeller will cause overheating and engine damage if not replaced at the recommended service interval.

Superseded / Cross-Reference Part Numbers

This part directly replaces the following Mercury / Quicksilver part numbers:

• 47-85089
• 47-850891
• 47-8508910
• 47-8508920
• 47-850893
• 47-8M0024502
• 47-8M0027792
• 47-8M0204712

Engine Compatibility

Suits various Mercury 2-stroke and 4-stroke outboard motors in the 15–25hp range. Always verify fitment using your engine serial number before purchasing.

Maintenance Advisory

Mercury recommends replacing the water pump impeller every 300 hours or every 3 years, whichever comes first. Signs of a failing impeller include reduced water flow from the tell-tale, overheating alarms, or discoloured/cracked rubber blades on inspection.

Specifications

• Part Number: 8M0204712
• Brand: Mercury / Quicksilver (Genuine OEM)
• Component: Water Pump Impeller
• Weight: 0.2 kg

If you are unsure whether this part fits your engine, please contact us with your serial number and we can confirm compatibility.