Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

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Alpha 1 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

28350 bearing retainer nut

28350 bearing retainer nut

P/N 28350 Bearing retainer OEM 983880 $26.99

Customers who ordered P/N 90095 also purchased:


GLM 12120 Water pump

P/N 12120 Outdrive lower gear case water pump impeller kit. For Alpha One 1984-1990 models. Replaces Sierra 18-3320. $35.95

90095 Bearing carrier puller in the lower unit

90095 Bearing carrier puller in the lower unit

P/N 90095 Prop and bearing carrier puller $82.95

90110 Tool
90110 Tool

Shift cable tool GLM aftermarket
P/N 90110 or OEM 91-12037 Used to remove and install shift cable on outdrive gimbal housings