Yamaha Lower Unit Assy 6GS-45300-16-8D - The Yamaha Lower Unit Assy 6GS-45300-16-8D is engineered to deliver exceptional performance and durability for your Yamaha outboard motor. Made with high-quality materials and precise engineering, this lower unit assembly ensures efficient power transmission and reliable operation in various marine environments. Trust in genuine Yamaha parts for optimal performance and peace of mind.. Enhance your boating experience with the Yamaha Lower Unit Assy 6GS-45300-16-8D. This lower unit assembly is designed for low maintenance and high efficiency, making it perfect for all your water activities, from recreational boating to high-speed water sports. Rely on Yamaha's unmatched quality and innovation to provide smooth, consistent performance, ensuring your outboard motor operates at its peak.. 6GS-45300-16-8D - LOWER UNIT ASSY