New Holland 87800983 is the gasket Clinton Tractor supplies for this application. It is listed as fitting 53 New Holland models.
What 87800983 fits
Fits: New Holland LS190, Ford 5610S, Ford 5640, Ford 6610S, Ford 6640 + 48 more. Commonly ordered for the Ford 5640, Ford 6640, Ford 6640O. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
87800983 replaces 83999163. 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 0.4 mm thick. The full attribute list is in the Specifications section above.




































