New Holland 83999221 is the gasket Clinton Tractor supplies for this application. It is listed as fitting 41 New Holland models.
What 83999221 fits
Fits: New Holland LS190, Ford 5610S, Ford 5640, Ford 6610S, Ford 6640 + 36 more. Commonly ordered for the Ford 5610S, Ford 6610S, Ford 6810S. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
83999221 replaces 81875257, 83972098, 83982485, 87800786, 87800795, 87840830. 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 1.1 mm thick. The full attribute list is in the Specifications section above.





































