Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos

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Alpha One and generation 2 retainer nut

GLM Marine aftermarket outdrive bearing retainer nut

  • 8 notch, 3-3/4 inch bearing retainer nut for Mercruiser Alpha one and 2 outdrives Click here
  • Other upper / lower unit outdrive tools are available
  • Aftermarket upper gear case retainer nuts are for use with Mercruiser or Alpha One stern drive units. See install picture, click here Bearing retainer wrench

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28350 bearing retainer nut

28350 bearing retainer nut

P/N 28350 Bearing retainer OEM 983880 $22.95