90703-PE0-000 Dowel (18X22) Pin - Overview. The 90703-PE0-000 Dowel (18X22) Pin is an essential hardware component designed for Honda marine engine systems. This dowel pin plays a crucial role in maintaining accurate alignment between engine parts, especially in engine block and oil pan assemblies, supporting reliable and efficient mechanical operation. Precisely manufactured to match Honda factory specifications in dimensions and durability, it ensures seamless integration with existing parts,