Yamaha Lower Unit Assembly 66K-45300-13-NA - Enhance your outboard motor's efficiency with this genuine Yamaha lower unit assembly. Expertly designed and constructed from premium materials, this assembly ensures exceptional durability and reliability in a variety of marine environments. Its robust construction provides excellent resistance to wear and corrosion, guaranteeing smooth and long-lasting operation.. The Yamaha Lower Unit Assembly 66K-45300-13-NA offers efficient power transfer and superior stability, improving your vessel's overall performance. Suitable for both professional and recreational boaters, this assembly helps maintain your outboard motor's peak efficiency. Trust in Yamaha's dedication to quality and innovation to keep your marine engine running smoothly, delivering a dependable and exceptional boating experience every time you set sail.. 66K-45300-13-NA - LOWER UNIT ASSY