36105-ZW9-003 Spiral B Tube - Overview. The 36105-ZW9-003 Spiral B Tube is a vital component in Honda marine engine systems. This tube serves as a protective conduit for wiring and internal mechanisms, shielding them from abrasion and environmental damage thanks to its flexible spiral design. Essential for maintaining reliable engine function, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Flexible spiral design provides protec