Yamaha Lower Unit Assy 6GS-45300-15-8D - The Yamaha Lower Unit Assy 6GS-45300-15-8D is engineered to deliver exceptional performance and durability for your Yamaha outboard motor. This lower unit assembly features robust construction and high-quality materials to ensure reliable power transmission and efficient propulsion in various marine environments. Experience the peace of mind that comes with using genuine Yamaha parts.. Enhance your marine experience with the Yamaha Lower Unit Assy 6GS-45300-15-8D. Designed for minimal maintenance and maximum operational efficiency, this lower unit assembly is perfect for a range of marine activities, from fishing to water sports. Trust in Yamaha's superior design and engineering to provide smooth and reliable performance, ensuring your outboard motor runs optimally and efficiently on the water.. This product has been superseded by: 6GS-45300-16-8D. 6GS-45300-15-8D - LOWER UNIT ASSY