Yamaha 6EH-45300-03-NA - Lower Unit Assembly

OEM Yamaha Replacement Part | Complete Lower Unit Assembly | Durable Construction | Part #6EH-45300-03-NA

The Yamaha 6EH-45300-03-NA Lower Unit Assembly is a genuine OEM component designed and manufactured by Yamaha to meet the highest standards of quality and reliability. Built with marine-grade alloys and advanced corrosion protection, this lower unit delivers smooth power transfer, efficient performance, and long-lasting durability in both saltwater and freshwater environments.

This is a complete lower unit assembly, engineered for a direct OEM replacement experience. Whether you are repairing damage, addressing wear and tear, or restoring performance, choosing an authentic Yamaha lower unit ensures proper function and lasting value.

⚠️ Important Fitment Note: Yamaha lower units are highly specific to outboard model, year, shaft length, and rotation. To ensure proper compatibility, always verify this part number (6EH-45300-03-NA) with your outboard’s model and serial number before purchasing.

Key Features:

• Genuine OEM Yamaha Part – Factory original replacement ensures reliability and performance.
• Complete Lower Unit Assembly – Provides housing and internal gear components in one package.
• Durable Marine-Grade Construction – Built to withstand the harshest marine environments.
• Smooth and Efficient Operation – Precision-engineered gears for consistent performance.
• Advanced Corrosion Protection – Coatings and alloys designed for saltwater and freshwater use.
• Direct OEM Quality – No aftermarket compromise; built to Yamaha’s exact standards.
• Part Number – 6EH-45300-03-NA.

The Yamaha Lower Unit Assembly – 6EH-45300-03-NA is the trusted choice when restoring your Yamaha outboard’s performance and reliability.

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Frequently Asked Questions

Q: Is this an OEM Yamaha part?
A: Yes. This is a genuine Yamaha part, part number 6EH-45300-03-NA.

Q: What’s included with this assembly?
A: This is a complete lower unit assembly. Additional hardware, seals, oil, and propeller components may be sold separately.

Q: How do I confirm compatibility with my engine?
A: Compatibility depends on your engine’s model and serial number. Please confirm with your Yamaha dealer or parts professional before ordering.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.