Yamaha Lower Unit Assy 6GS-45300-24-8D - Elevate your boating experience with the Yamaha Lower Unit Assy 6GS-45300-24-8D. This lower unit assembly is designed to provide superior performance and reliability, ensuring smooth and efficient power transfer for your marine engine.. The Yamaha Lower Unit Assy 6GS-45300-24-8D boasts durable construction, making it ideal for both recreational and professional marine applications. With its easy maintenance and robust design, you can count on this lower unit assembly to deliver exceptional control and stability on the water.. This product has been superseded by: 6GS-45300-26-8D. 6GS-45300-24-8D - LOWER UNIT ASSY