Gear Set Lower Unit
Fits Mercruiser Sterndrive models:
MR/ Alpha One 1984-1990
Alpha One SS 1986-1989
Alpha One Gen II 1991-1995 Drives.
Replaces Mercury part #: 43-75325A3
MerCruiser Gear Set for Mercruiser Alpha 1984-95 43-75325A3
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