Mercruiser Alpha One Gen I Upper Gearcase 1.81 Ratio Replacement with New Style Input Yoke for Sterndrives 1972-1990

Description

The Mercruiser Alpha One Gen I Upper 1.81 is a premium replacement part designed to enhance the performance of your Mercruiser sterndrive system. This upper unit features a gear ratio that replaces both the 1.81 and 1.84 ratios, making it versatile for various applications from 1972 to 1990 models.

Engineered with precision, this product comes equipped with a new style input yoke measuring 9-9/16 inches, ensuring compatibility and optimal functionality within your marine engine setup. The Mercruiser Alpha One Gen I Upper offers reliability and durability that meets the high standards set by marine enthusiasts.

Features & Specifications

• Model: Mercruiser Alpha One Gen I Upper
• Gear Ratio: 1.81 (also replaces 1.84)
• Input Yoke Size: New style at 9-9/16 inches
• Compatibility: Fits all Mercruiser Alpha One models from 1972 to 1990
• Quality Assurance: Manufactured with top-grade materials for longevity
• Shipping Information: Generally ships within one business day; possible delays during summer months

Quick Overview

If you’re looking to maintain or upgrade your marine engine’s performance, consider ordering the Mercruiser Alpha One Gen I Upper today! With its reliable specifications and robust construction, this part is an excellent investment for any boating enthusiast aiming for efficiency on watercrafts powered by Mercruiser’s legendary systems.

Brand Name: SEI Marine
OEM Part Number: 9412A22
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