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MerCruiser Alpha One Gen II Complete Sterndrive Outdrive 1.47 Gear Ratio

Genuine MerCruiser Alpha One Generation II complete sterndrive / outdrive assembly with a reported 1.47:1 gear ratio. This used upper and lower drive assembly is intended for compatible MerCruiser Alpha One Gen II stern-drive applications.

The assembly includes the upper gear housing, lower gearcase, U-joint driveshaft assembly, propeller shaft, anti-ventilation plate, and attached components shown in the photographs.

The Alpha One Generation II sterndrive was introduced for the 1991 model year and features a different design from the earlier Alpha One Generation I system. Buyers should confirm their existing drive generation, gear ratio, engine application, and mounting compatibility before purchasing.

This unit is being sold as a used replacement sterndrive assembly. Its internal mechanical condition and operating performance have not been verified.

Highlights

  • Genuine MerCruiser Alpha One Generation II

  • Complete Upper and Lower Sterndrive Assembly

  • Reported 1.47:1 Gear Ratio

  • Black Exterior Finish

  • Upper Gear Housing Included

  • Lower Gearcase Included

  • U-Joint Driveshaft Assembly Included

  • Propeller Shaft Included

  • Anti-Ventilation Plate Included

  • Compatible with Select MerCruiser Alpha One Gen II Applications

  • Sold Exactly as Pictured

Condition

Used – Mechanical Condition Not Verified

The sterndrive shows normal signs of previous use and age, including scratches, scuffs, surface marks, and cosmetic wear throughout the exterior housing.

The black finish remains present across most of the assembly. Some surface oxidation and discoloration are visible on the exposed driveshaft and metal components.

No obvious major cracks or broken housing sections are visible in the supplied photographs.

The sterndrive has not been confirmed as mechanically tested. Internal gears, bearings, seals, shifting operation, water pump, and pressure integrity have not been verified.

Please review all photographs carefully for exact condition and included components. Sold exactly as pictured.

Specifications

Brand: MerCruiser / Mercury Marine

Part Type: Complete Sterndrive / Outdrive Assembly

Model: Alpha One Generation II

Gear Ratio: 1.47:1 (Reported – Not Independently Verified)

Drive Type: Inboard / Outboard Sterndrive

Color: Black

Included Components: Upper Housing, Lower Gearcase, U-Joint Driveshaft Assembly, Propeller Shaft, and Attached Components

Condition: Used

Testing: Not Verified

Serial Number: Not Provided

Fitment: Select MerCruiser Alpha One Generation II applications requiring the appropriate 1.47:1 gear ratio and drive configuration.

Not Included: Propeller, Trim Cylinders, Transom Assembly, Gimbal Housing, or Additional Mounting Hardware.

Important: Alpha One Generation I and Generation II sterndrives are not directly interchangeable. Buyer must verify the drive generation, gear ratio, serial number, and compatibility with their existing engine and transom assembly before purchase.

Dealer Sale – Sunset Marine TX LLC

SKU: 10888

$ 2,363.85 $ 2,363.85
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