Description
Mercruiser Sterndrive Alpha One Generation 1 Lower Unit Standard Rotation
Complete lower unit for Alpha One GEN I.
Replace Mercruiser OE#: 8951A43.
Fits R, MR, Alpha One lowers from 1972-1990.
Has 13 Spline Driveshaft.
The tooth count is 13-21.
Up to 300 HP.
Include water pump.
