36520-ZVT-003 Shift Actuator - Overview. The 36520-ZVT-003 Shift Actuator is a crucial component within Honda marine engine systems. It is designed specifically for the gear shifting mechanism, ensuring smooth and precise mechanical gear transitions within the engine's transmission system. As an OEM genuine part, the actuator seamlessly integrates with existing marine engine components, maintaining optimal performance and durability essential for reliable boating operations.. Key Features. High-