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Alpha One Gen I Housing Replacements

Mercruiser Alpha One Gen 1 Lower Unit’s Lower Case (3.50″ O.D. Fwd Bearing)

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Alpha Gen 1 Lower Case 3.50″ O.D. Fwd Bearing is a replacement part for Mercruiser Sterndrive Lower Unit. It replaces OE# 1623-8951A37.

Mercruiser Upper Unit Parts – Alpha Gen One Upper Case

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Mercruiser Alpha Gen One Upper Case replaces OE# 1547-9412A18 For R/MR/Alpha One If replacing an R style case and you