Impeller for Mercury engines ref. 47-161543 Impeller for Mercury engines 4-stroke from 40 to 300 hp Ref. no. 47-161543/4 For 2- and 4-stroke engines 2 to 6 hp Int. diameter: 10.25 mm Outer diameter: 33.6 mm Height: 14.3 mm No. of blades: 6 Compass type: G IN CASE OF ANY DOUBTS BEFORE PROCEEDING WITH THE PURCHASE, PLEASE SEND US A COPY OF YOUR ENGINE MANUAL BY EMAIL TO CONFIRM THE SPARE PARTS, WHICH MAY VARY DEPENDING ON THE ENGINE MODEL