17396-ZW4-H00 Three Way Joint - Overview. The 17396-ZW4-H00 Three Way Joint is a critical rigging component within Honda marine engine systems. This part acts as a junction that facilitates the split or combination of fluid or gas into three separate lines, ensuring seamless flow control. Engineered to meet Honda's strict factory specifications, it integrates cleanly with existing hoses, seals, and hardware to maintain reliable operation and system integrity.. Key Features. Genuine OEM Honda par