Mercruiser Alpha One bell housing parts
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Mercruiser Alpha 1 Intermediate shift shaft

Intermediate shift shaft for bell housing

  • MC-1 / R / MR / Alpha (except Gen 2 - 1991 and up) bell housings use this Mercruiser Alpha 1 intermediate shift shaft part
    unit comes with washer and cotter pin
  • Installed with #21420 upper shift shaft
  • For other bell housing parts, see our parts drawing

21421 intermediate shift shaft

21421 intermediate shift shaft

P/N 21421 Intermediate shift shaft OEM 62104-1 $39.29

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