91152-ZY3-003 Ring (15X20X23) - Overview. The 91152-ZY3-003 Ring (15X20X23) is an essential sealing component used within Honda marine engine systems. This OEM inner ring supports the engine's assembly by providing a reliable seal, preventing leaks and maintaining system integrity. Crafted to match factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision O-ring measuring 15x20x23 millimeters designed for