This Part is no longer available as a genuine Honda OEM Part, but we have had them re-manufactured here in the UK using the latest CNC technology and machined from high grade aluminium. They come supplied with a re-manufactured rubber sealing O-Ring.
This is a common component failure on the CBR400 NC29 Gull Arm, simply due to its position on the front of the engine casing, it collects all the road debris and over time, simply corrodes away.
These are a direct replacement for Honda Genuine OEM Part Numbers:
Water Manifold/Joint: 19063-MV4-000 or 19063MV4000