90019-ZZ5-M01 Flange (6X35) Bolt - Overview. The 90019-ZZ5-M01 Flange (6X35) Bolt is a crucial fastening component designed specifically for Honda marine engine systems. This flange bolt, measuring 6 millimeters in diameter by 35 millimeters in length, plays an essential role in securely mounting various parts within engine assemblies, supporting the structural integrity and operation of the marine engine. Engineered to OEM standards, it ensures seamless integration with existing parts, maintain