Impeller for Mercury engines ref. 47-19453T Impeller for Mercury engines ref. 47-19453T for 2 and 4 stroke engines from 30 to 60 hp For 2 and 4 stroke engines from 30 to 60 hp F 30 F 40 F 50 F 60 Inside diameter: 19.25 mm Outside diameter: 78.2 mm Height: 25.15 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 BOOKLET BY EMAIL TO CONFIRM THE SPARE PARTS, WHICH MAY VARY DEPENDING ON THE ENGINE MODEL