Yamaha Lower Unit Assy 6HC-45300-03-CE - Enhance your marine engine's performance with the Yamaha Lower Unit Assy 6HC-45300-03-CE. This top-tier lower unit assembly is crafted for durability and efficiency, offering exceptional reliability for all your boating needs.. The Yamaha Lower Unit Assy 6HC-45300-03-CE is built with premium materials to endure tough marine environments. Its precision engineering and straightforward installation ensure a perfect fit, providing smooth and dependable operation for your vessel.. 6HC-45300-03-CE - LOWER UNIT ASSY