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Mercruiser Lower Unit Gearcase Alpha I 1623-8951A43

Mercruiser Lower Unit Gearcase Alpha I 1623-8951A43

$1,945.00

  • Fits Alpha One Sterndrive (1984–1990)
  • OEM #: 1623-8951A43
  • Remanufactured using OEM components
  • Built & tested by certified marine mechanics
  • Gray primer finish + factory spray paint included
  • 1-Year Limited Warranty
  • Price: $1,695 after $250 refundable core
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Description

Remanufactured Mercruiser Alpha One Lower Unit – OEM #1623-8951A43

Restore your sterndrive system with this high-quality remanufactured Mercruiser Alpha One Lower Unit, compatible with Mercruiser sterndrive engines from 1984 to 1990. This replacement gearcase (OEM #1623-8951A43) is rebuilt in the USA by certified marine mechanics using OEM-grade components and offers reliable power transfer and smooth operation on the water.

Whether you’re replacing a damaged unit or upgrading for peace of mind, this remanufactured Mercruiser gearcase delivers trusted performance and long-lasting durability for Alpha One drives.

Features and Benefits

  • Replaces OEM part #1623-8951A43
  • Fits Mercruiser Alpha One sterndrives (1984–1990)
  • Remanufactured in the USA using OEM parts
  • Tested by certified marine mechanics
  • Covered by a 1-Year Limited Warranty
  • Gearcase comes in gray primer; includes a can of matching spray paint

Pricing

Total Price: $1,945
Less $250 Refundable Core Deposit
👉 Final Price: $1,695

Product Finish

  • Gearcases come in gray primer.
  • Includes a can of factory spray paint for final finishing if desired.

Core Deposit Information

  • A $250 core deposit is refundable once your old core is returned. 
  • Refund amount may vary based on the condition of your core.
  • Please review our Core Policy for details on how to return your old core and claim your deposit.

Useful Resources

Additional information

Weight 50 lbs
Brand

Condition

Engine Compatibility

Mercruiser Alpha One Sterndrive

Finish

Grey Primer

Rebuild Location

USA

Warranty

1 Years

Core Deposit

$250 (Refundable upon return of old core)

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