Number of Blades: 6, Net Weight: 37g Height: 18.59mm(47/64") External Impeller Overall Diameter: 50.52mm(1 63/64") Internal shaft insert Diameter: 16.05mm(5/8") Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us.

Applications(fits Johnson Evinrude 2 stroke outboard motors):

fits Evinrude:

20 hp 1985 - 1997

25 hp 1979 - 1998

28 hp 1985 - 1996

30 hp 1980 - 1998

35 hp 1978 - 1998

fits Johnson:

20 hp 1985 - 1997

25 hp 1979 - 2005

28 hp 1985 - 1995

30 hp 1980 - 2005

35 hp 1978- 2005