New Holland 81867564 is the gasket Clinton Tractor supplies for this application. It is listed as fitting 71 New Holland models.
What 81867564 fits
Fits: New Holland LS180, Ford 5640, Ford 6610S, Ford 6640, Ford 6640O + 66 more. Commonly ordered for the 2550, 345C, 445C. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
81867564 supersedes 380428S, C5NE9G546A. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.
Specifications at a glance
This gasket measures 8.05 mm ID × 11.3 mm OD × 0.9 mm thick. The full attribute list is in the Specifications section above.




































