[Specifications] 10-3/8" diameter x 13" pitch, 13 tooth spline, Aluminum, RH rotation, Includes hub kit. [Fitment] Fit Mercury Engines 25-70HP, Replace Part Number# 48-73136A40 [Premium Material] Made of aluminum materials, coated with anti-corrosion protection paint to prevent rusting, stronger blades with better performance [Quality] Durable and easy to maintain and repair, specifically designed to handle high horsepower, improves acceleration and top speed on many boats [Service] You can buy it with confidence. If there is any problem about this product, we will spare no efforts to cope with it and promise to provide you a satisfactory service Compatibility

Fit for MERCURY Engines 25-70HP

3-1/4" Gearcase

25hp Bigfoot(4 stroke)...1999-2005

30hp Bigfoot(4 stroke)...2010-newer

30hp(2&4 stroke)...1994-2005

30hp(sea Pro/Marathon)...1994-newer

35hp...1984-1989

402&500 Models...1974-1984

40hp(2&4 stroke bigfoot)...1977-newer

40hp(Sea Pro/Marathon)...1977-newer

45hp...1986-1989

48hp(Mariner)...all years

50hp(2&4 stroke/not bigfoot)...1977-newer

55hp(Mercury/Sea Pro/Marathon)...1995-newer

60hp(4 stroke)(not bigfoot or Sea Pro/Marathon)...1978-newer

60hp(2 stroke)...1978-newer

70hp(Model 700)...1983

Force40/50hp...1995-1998

70hp...91-95

75hp...1996-1998