Yamaha Lower Unit Assy 6H1-45300-27-8D - Ensure optimal performance of your marine engine with the Yamaha Lower Unit Assy 6H1-45300-27-8D. This lower unit assembly is engineered for efficient power transmission, providing smooth and dependable operation in various marine settings.. The Yamaha Lower Unit Assy 6H1-45300-27-8D is made from high-quality materials to offer outstanding durability and corrosion resistance. Its precise design ensures a perfect fit and easy installation, making it a great choice for both recreational and professional boating enthusiasts.. 6H1-45300-27-8D - LOWER UNIT ASSY