Alpha One & Gen 2 Outdrive Parts *Drawings *Videos

T.C. Electronics / Marine ( 416 ) 751-7326 home page

Alpha 1 & Gen 2 tool *Bearing retainer nut wrench

GLM aftermarket stern drive bearing retainer nut tool for
upper gearcase repairs

  • Special upper gear case retainer nut tool is for use with Mercruiser or Alpha One stern drive units If service help is required, contact our service technician at (416) 751-7326 for troubleshooting your Alpha One drive unit
  • Please have horsepower, year & stern drive serial number ready when calling
  • Exploded view Mercruiser drawings
    Search by part number or description here

90100 retainer wrench

90100 retainer wrench

P/N 90100 Upper gear case wrench for bearing retainer nut $88.99

Customers who ordered P/N 90100 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. $42.99

90095 Bearing carrier puller in the lower unit

90095 Bearing carrier puller in the lower unit

P/N 90095 Prop and bearing carrier puller $104.99

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