58134-ZY3-021A 4 X 14 X 21 AL (R) - Overview. The 58134-ZY3-021A 4 X 14 X 21 AL (R) is a high-quality aluminum propeller designed for Honda marine engine systems. This propeller plays a crucial role in the propulsion system, converting engine power into efficient thrust to propel the boat smoothly through water. Crafted to meet stringent OEM specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This is an OEM genuine a