90756-881-000 Split Pin - Overview. The 90756-881-000 Split Pin is a vital hardware component within Honda marine engine systems. This small but essential fastener is designed to secure other parts by passing through a hole and having its ends bent to lock components firmly in place. The split pin plays a crucial role in maintaining the integrity and reliability of various engine assemblies by preventing the loosening and separation of critical parts. As an OEM genuine Honda part, it ensures sea