Yamaha Lower Unit Assy 6HC-45300-02-8D - Enhance your boating experience with the Yamaha Lower Unit Assy 6HC-45300-02-8D. This robust lower unit assembly is designed for seamless performance and longevity, ensuring your boat operates at its best.. The Yamaha Lower Unit Assy 6HC-45300-02-8D features premium materials that resist wear and corrosion, providing durability and reliability in diverse marine environments. Its precise fit and easy installation make it a top choice for boat maintenance and performance enhancement.. This product has been superseded by: 6HC-45300-03-8D. 6HC-45300-02-8D - LOWER UNIT ASSY