SEI MARINE PRODUCTS- Evinrude Johnson Impeller 0434424 3 4 5 5.5 7.5 HP 2 Stroke This impeller replaces OE#: 0434424 and fits 3 HP (1952-1968), 4 HP (1969-1982), 5 HP (1965-1968), 5.5 HP (1956-1964), and 7.5 HP (1954-1958) Evinrude Johnson outboard lower units.