Yamaha Lower Unit Assy 6H1-45300-26-8D - Enhance the performance of your marine engine with the Yamaha Lower Unit Assy 6H1-45300-26-8D. This robust lower unit assembly is designed to deliver efficient power transmission, ensuring smooth and reliable operation in various marine environments.. The Yamaha Lower Unit Assy 6H1-45300-26-8D is constructed with high-quality materials for exceptional durability and corrosion resistance. Its precision engineering. This product has been superseded by: 6H1-45300-27-8D. 6H1-45300-26-8D - LOWER UNIT ASSY