13622-ZY3-000 T/B Guid Plate - Overview. The 13622-ZY3-000 T/B Guid Plate is a crucial component in Honda marine engine systems. This timing belt guide plate supports the timing belt within the engine assembly, ensuring accurate belt alignment and tension. Its role is essential for maintaining the reliability of the engine's timing system, which directly affects the engine's performance and longevity. Designed according to Honda's factory specifications, it seamlessly integrates with existing ha