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Mercruiser Alpha One Gen I Upper Gearcase 1.94 Ratio with Short Yoke Replacement for Sterndrive Models 1972-1990

Upgrade your boat’s performance with the Mercruiser Alpha One Gearcase. This durable 1.94 ratio sterndrive replacement is perfect for models from 1972-1990.

$875.00

Product Info

Description

The Mercruiser Alpha One Gen I Upper 1.94 W/ Short Yoke is engineered for compatibility with a range of older inline 6 and 4 cylinder engines, providing reliable performance on the water. This upper unit features a gear ratio of 1.94, which also effectively replaces the 1.98 ratio, ensuring versatility in your marine applications. With an included 8-1/8 input yoke, this product enhances your boat’s efficiency while maintaining high standards of quality.

This superior component plays a crucial role in optimizing power delivery from your engine to the propeller, allowing for smoother operation and improved handling on the water. The Mercruiser Alpha One Gen I Upper is designed specifically to meet or exceed OEM specifications, making it an essential part for anyone looking to maintain or upgrade their marine vessel.

Features & Specifications

  • Compatible with Mercruiser Alpha One Gen I Sterndrives (1972-1990)
  • Gear Ratio: 1.94 (also replaces 1.98)
  • Includes an 8-1/8 input yoke
  • Ideal for older inline 6 and 4 cylinder engines
  • High-quality aftermarket replacement part
  • Smooth performance enhancement for better handling
  • Easily integrates into existing systems without modifications

Quick Overview



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If you’re looking to enhance your boat’s performance while ensuring reliability, consider ordering the Mercruiser Alpha One Gen I Upper today! Its superior engineering guarantees optimal functionality at sea without compromising quality or durability.
With competitive pricing and top-notch customer service available to assist you along every step of the way, there’s no reason not to take advantage of this excellent opportunity!

Brand Name: SEI Marine
OEM Part Number: 5523A65
Search Terms: Mercruiser Alpha One Gearcase, 1.94 ratio sterndrive replacement, Upper Gearcase for Mercruiser, Short Yoke Mercruiser gearcase, Mercruiser 1972-1990 parts, Alpha One Gen I upper unit, Sterndrive gearcase replacement part, Mercruiser drive assembly parts, 8-1/8 input yoke for sterndrive, inline 6 cylinder gearcase replacement, inline 4 cylinder Mercruiser parts, OE# 5523A65 replacement gearcase.

Additional information

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Feature Description
Product Name Mercruiser Alpha One Gen I Upper 1.94 W/ Short Yoke
Compatibility Powers Mercruiser Alpha One Gen I Sterndrives (1972-1990)
Cylinder Compatibility Inline 6 and Inline 4 Cylinder Engines
Total Gear Ratio Replaces both ratios:?1.94 &?1.98?for enhanced adaptability.
Included Components

Comes with an?8-5/16″ input yoke.
Quality Assurance

Manufactured as per industry-leading standards.
Performance Improvement

Enhances smoothness & control during operation.