Yamaha Lower Unit Assembly T9.9 69G-45300-11-8D is a top-quality replacement part specifically designed for Yamaha outboard motors. This lower unit assembly is engineered to deliver exceptional performance and reliability, ensuring your boat operates smoothly and efficiently. Made from high-grade materials, it provides superior durability and long-lasting functionality, making it an ideal choice for maintaining and repairing your Yamaha motor.. The Yamaha Lower Unit Assembly T9.9 69G-45300-11-8D is a genuine Yamaha component, guaranteeing perfect fit and compatibility with your existing engine. This part is crafted to withstand the rigors of marine environments, ensuring consistent performance under various conditions. Trust Yamaha's expertise and commitment to quality to keep your boating adventures seamless and enjoyable with this essential lower unit assembly.. Applicable engine models for 69G-45300-11-8D: T9.9LEHB - 2016 T9.9LPB - 2016-2018 T9.9LPHB - 2016-2018 T9.9LWHB - 2017-2018