6AX-45300-35-8D - Yamaha - Lower Unit Assembly

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Overview

The 6AX-45300-35-8D Yamaha Lower Unit Assembly is a genuine OEM component built to restore smooth, reliable performance to your Yamaha outboard. Responsible for transferring engine power directly to the propeller, the lower unit plays a critical role in acceleration, steering response, and overall efficiency on the water.

Manufactured to Yamaha’s exact factory specifications, this assembly delivers the durability and precision fit required for dependable marine operation. Whether you're replacing a worn gearcase or addressing lower unit damage, this OEM assembly ensures your outboard performs the way it was designed to.

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Key Features

• Genuine Yamaha OEM Part: Manufactured to original factory standards for exact fit and performance.
• Efficient Power Transfer: Ensures smooth delivery of engine power to the propeller for optimal thrust and control.
• Durable Construction: Built with marine-grade materials to withstand saltwater, debris, and demanding conditions.
• Precision Fitment: Designed specifically for compatible Yamaha outboard models to simplify installation.
• Restores Performance: Helps maintain proper gear engagement, responsiveness, and fuel efficiency.

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Why Choose Genuine Yamaha Parts?

When it comes to critical drivetrain components like the lower unit, precision matters. Genuine Yamaha parts are engineered with the correct tolerances, materials, and corrosion protection to match your outboard exactly. Choosing OEM ensures proper alignment, smooth gear operation, and long-term reliability — helping protect your investment and keep you confidently on the water.