14553-Zvl-003 Bolt - Overview. The 14553-Zvl-003 Bolt is an essential component for Honda marine engine systems. It is specifically designed to secure the timing belt idler, a critical part of the engine's internal mechanism, ensuring reliable operation and optimal engine performance. Crafted to meet precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM bolt designed for Honda marine engines