Yamaha Lower Unit Assembly C30 61N-45300-10-4D is engineered to deliver exceptional performance and reliability for your Yamaha outboard motor. Designed for a seamless fit, this lower unit assembly ensures optimal power transfer and smooth operation, making it an essential component for maintaining your marine engine's efficiency. Built with high-grade materials, it offers excellent resistance to corrosion and wear, suitable for both freshwater and saltwater applications. The 61N-45300-10-4D lower unit assembly is a genuine Yamaha part, guaranteeing durability and long-lasting performance. It is meticulously crafted to meet Yamaha's stringent quality standards, providing peace of mind and enhancing your boating experience. By choosing this lower unit assembly, you ensure that your outboard motor operates at its best, allowing you to enjoy your time on the water with confidence and reliability. This product has been superseded by: 61N-45300-11-8D. 61N-45300-10-4D - LOWER UNIT ASSY