Yamaha Lower Unit Assy 6HK-45300-02-NA - Enhance the performance of your outboard motor with the Yamaha Lower Unit Assy 6HK-45300-02-NA. This durable lower unit assembly is designed to provide reliable and efficient operation in various marine environments.. The Yamaha Lower Unit Assy 6HK-45300-02-NA boasts high-quality materials and precise engineering, ensuring it can withstand tough conditions. Easy to install and secure, it offers improved functionality and extends the life of your marine engine.. This product has been superseded by: 6HK-45300-03-NA. 6HK-45300-02-NA - LOWER UNIT ASSY