phone: 270-618-5200


The diagram to the right is for a Mercruiser Alpha I Gen I Sterndrive Lower Drive for models from 1984-1990. The following parts correspond to the numbers on this diagram:



  1. Outer Forward Gear Bearing (Must provide number stamped on bearing race)
  2. Drive Shaft Bearing
  3. Pinion Bearing
  4. Inner Forward Gear Bearing
  5. Complete Gear Set
  6. Clutch Dog
  7. Reverse Gear Bearing
  8. Fore Carrier Bearing
  9. Trim Tab Anode Zinc
  10. Bearing Carrier
  11. Prop Shaft
  12. Drive Shaft
  13. Cover Nut
  14. Tab Washer
  15. Water Pump Base

We also offer the following item:


Didn't find the Sterndrive Part you needed?  We have many additional parts in our warehouse.  Please contact us directly to let us do a custom search for the part you need. 

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