17396-ZW1-000 Three Way Joint - Overview. The 17396-ZW1-000 Three Way Joint is a critical component in Honda marine engine systems supporting vital fluid distribution and rigging functions. This part acts as a branching point allowing fluid or vapor to be channeled efficiently to different areas within the engine's fuel or rigging system, ensuring smooth and reliable operation. Engineered to match Honda's stringent OEM standards, it fits precisely within existing assemblies to maintain optimal p