92101-05012-4J Hex (5X12) Bolt - Overview. The 92101-05012-4J Hex (5X12) Bolt is a critical fastening component designed specifically for Honda marine engine systems. This genuine OEM bolt plays an essential role in securing various parts of the marine engine assembly, ensuring mechanical integrity and operational reliability. Manufactured to exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision