High performance guarantees easy boating. Fits for 35hp 40hp 50hp 55hp Johnson Evinrude outboards Replaces Part NO. 377230/777213 Sierra 18-3083 Height: 21.79mm(55/64") External Overall Diameter: 69.81mm(2 3/4") Internal Shaft Insert Diameter: 15.91mm(5/8") This replacement Impeller is for JOHNSON / EVINRUDE 377230 777213 35/40/50/55 Horsepower Outboard Motors.

Sierra P/N 18-3083

CEF P/N 500352

External Impeller Overall Diameter: 69.00 mm

Internal Shaft Insert Diameter: 16.04 mm

Applications (Fits Johnson Evinrude outboard motors ):

35hp 1958-59

40hp 1960-70

50hp 1971-78

55hp 1971-78