Yamaha Lower Unit Assy 6H3-45300-1A-8D - Ensure optimal performance and longevity of your boat with the Yamaha Lower Unit Assy 6H3-45300-1A-8D. This assembly is designed for efficient power transfer and smooth operation in various marine conditions.. The Yamaha Lower Unit Assy 6H3-45300-1A-8D is crafted from high-quality materials for superior durability and corrosion resistance. Its precise engineering guarantees a perfect fit and easy installation, making it a reliable choice for both recreational and professional boating enthusiasts.. 6H3-45300-1A-8D - LOWER UNIT ASSY