90715-PC6-000 Dowel (13X20) Pin - Overview. The 90715-PC6-000 dowel pin (13x20) is a precision-engineered locating and fastening component designed for Honda marine engine systems. This genuine OEM pin serves a critical role in ensuring proper alignment of engine parts, contributing to consistent mechanical fit and reliable operation. By providing a secure connection point within the engine assembly, it ensures seamless integration with existing parts, maintaining optimal performance and durabil