Yamaha - Lower unit assy - 6D1-45300-31-8DYamaha Lower Unit Assy 6D1 45300 31 8D is a high quality, genuine Yamaha part crafted to enhance the performance and reliability of your outboard engine. This lower unit assembly ensures efficient power transfer from the engine to the propeller, significantly improving your boat's maneuverability and speed. Built to Yamaha's stringent standards, this component guarantees exceptional durability and dependable operation, making it a vital addition to