Mercruiser Alpha One Gen I Upper Gearcase 1.81 Ratio with Short Yoke Replacement for Sterndrives 1972-1990
Upgrade your sterndrive with the Mercruiser Alpha One Gen I Upper Gearcase 1.81 Ratio, designed for optimal performance in older engines (1972-1990).
$875.00
Product Info
Description
The Mercruiser Alpha One Gen I Upper 1.81 W/ Short Yoke is a high-quality replacement part designed for Mercruiser Alpha One sterndrives manufactured between 1972 and 1990. With a gear ratio of 1.81, this unit also serves as a replacement for the 1.84 ratio, ensuring compatibility with older inline six and four-cylinder engines. Equipped with an 8-1/8 input yoke, this upper drive component plays a crucial role in delivering power from the engine to the propeller.
This product enhances performance by providing smooth operation and reliable engagement in your marine vessel’s propulsion system. The Mercruiser Alpha One Gen I Upper is essential for maintaining optimal functionality and longevity of your boat’s drivetrain.
Features & Specifications:
- Model: Mercruiser Alpha One Gen I Upper
- Gear Ratio: 1.81 (replaces 1.84)
- Input Yoke Size: 8-1/8 inches
- Compatible with inline six and four-cylinder engines
- Designed for use on Mercruiser Alpha One sterndrives (1972-1990)
- DURABLE construction for enhanced reliability
- Smooth operation under various marine conditions
Quick Overview:
| Feature | Description |
|---|---|
| Product Name | Mercruiser Alpha One Gen I Upper W/ Short Yoke |
| Gear Ratio | 1.81 (also replaces 1.84) |
| User Compatibility | Inline Six & Four Cylinder Engines |
| Input Yoke Size | 8 -1 /8 inches |
| Application Year Range | 1972 -1990 |
Final words: The Mercruiser Alpha One Gen I Upper offers exceptional quality that ensures your marine vessel operates smoothly on every journey you undertake. With its durable design and perfect fitment, it?s an ideal choice to enhance the longevity of your sterndrive system while providing peace of mind during navigation on water bodies! Order today to experience reliable performance at sea!
Brand Name: SEI Marine
OEM Part Number: 5523A67
Search Terms: Mercruiser Alpha One Gen I, Upper Gearcase 1.81 Ratio, Short Yoke Replacement, Sterndrives 1972-1990, Mercruiser gearcase replacement, 1.81 ratio sterndrive gearcase, Mercruiser Alpha One parts, inline 6 engine sterndrive, inline 4 cylinder sterndrive parts, OE# 5523A67 replacement part, marine drive yoke assembly, short yoke for Mercruiser stern drives.
Reviews