47-22748 - Impeller models Mark 5, Mark 6 and 6A, also Wizard Super 5. Merc one cylinder model 39 3.9hp all, Merc 60
47-22748 - Impeller models Mark 5, Mark 6 and 6A, also Wizard Super 5. Merc one cylinder model 39 3.9hp all, Merc 60 below sn 1916138, Merc 110 9.8hp sn 1470349 to 1912758