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Gear Set Kit Lower Unit for Mercruiser Alpha 1 1984-95 with Bearings 43-878087A4

  • Part #: GLM11312


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Gear Set Lower Unit Rebuild Kit with Bearings and Shims.

Fits Mercruiser Sterndrive models:

MR/ Alpha One 1984-1990
Alpha One SS 1986-1989
Alpha One Gen II 1991-1995 Drives.

Fits Mercury Mariner Outboard models:

225 3.0 Carb 1.62:1 standard rotation (1994-1998)
225 3.0 Carb Sea Pro 1.62:1 standard rotation (1994-1998)

It uses a forward gear bearing with a 3.500 Inch Outside Diameter.

This kit contains the forward, reverse,and pinion gears, all bearings, and necessary shims.

Replaces Mercury part #: 43-878087A4
The forward gear has a retaining ring to stop needle bearing moving rearward

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