New Holland 83959976 is the gasket Clinton Tractor supplies for this application. It is listed as fitting 6 New Holland models.
What 83959976 fits
Fits: Ford 3500, Ford 4500, New Holland 3400, New Holland 3550, New Holland 4400 + 1 more. Commonly ordered for the Ford 3500, Ford 4500, 3400. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
83959976 replaces C5NN7N051A, E7NN7N051AA. 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 0.51 mm thick. The full attribute list is in the Specifications section above.









