Mariner Mercury Genuine Impeller 15HP 20HP 25HP 30HP 40HP. P/N: 47-8508910 / 47-8M0204712

Genuine Mercury Mariner Water Pump Impeller 

Part number: 47-8508910 / 47-8M0204712  

Please note the part number has been changed to 47-8M0204712

This impeller will fit the following two stroke models:

18HP Two Stroke XD models serial number: 9378151 - 9507380

20HP Two Stroke serial number: 9507381 - 0P325500 (will not fit Japanese models)

25HP Two Stroke serial number: 9507381 - 0P325500 (will not fit Japanese models)

30HP Two Stroke Twin Cylinder Single Carb serial number: 0P017000 and up

40HP Two Stroke Twin Cylinder Single Carb serial number: 0P017000 and up

Four Stroke Models

15HP Big Foot serial number: 0P075166 and up

25HP Big Foot serial number: 0P017000 - 0P388282

 If you have any doubts whether these will fit your outboard, please contact us before purchasing.