04601-ZVL-000 Water Jo Tube Kit - Overview. The 04601-ZVL-000 Water Jo Tube Kit is a genuine Honda marine engine replacement part designed specifically for the water jet tube system. This kit supports the cooling water flow system of Honda marine engines, ensuring reliable operation by maintaining proper water circulation and preventing water ingress issues. Precisely engineered, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features