Yamaha Lower Unit Assy 6H4-45300-00-EK - Enhance your boating experience with the Yamaha Lower Unit Assy 6H4-45300-00-EK. This lower unit assembly is crafted to deliver exceptional performance and reliability in various water conditions.. The Yamaha Lower Unit Assy 6H4-45300-00-EK is built with high-quality materials, ensuring long-lasting durability and resistance to wear and corrosion. Its precise engineering ensures a perfect fit and easy installation, making it an excellent choice for maintaining your boat's optimal performance.. This product has been superseded by: 6H4-45300-02-EK. 6H4-45300-00-EK - LOWER UNIT ASSY