36104-ZV5-821 Spiral Tube - Overview. The 36104-ZV5-821 Spiral Tube is an essential component within Honda marine engine systems. It acts as a protective conduit for wiring and cables, helping to prevent abrasion, wear, and damage from environmental exposure. Designed specifically to support rigging and wiring systems, this spiral tube ensures that critical electrical and mechanical connections remain secure and operational, which is vital for maintaining the reliability of your marine engine.. Key Features. Genuine OEM Honda Spiral Tube designed to meet exact factory dimensions and tolerances.. Provides robust protection for wiring harnesses and cables within the engine system.. Constructed to seamlessly integrate with existing rigging hardware and conduits.. Helps maintain optimal system performance by preventing wire abrasion and damage.. Manufactured from durable materials to withstand the harsh marine environment.. Ensures consistent longevity and reliability adhering to Honda's q