New Holland 81866390 is the oil seal Clinton Tractor supplies for this application. It is listed as fitting 38 New Holland models.
What 81866390 fits
Fits: New Holland TS6120, New Holland TS6110 (Mexico), New Holland TS6140, New Holland TS6130, New Holland TS6120 (Mexico) + 39 more. Commonly ordered for the B110, B110B, B110-TIER-3. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
81866390 supersedes D8NN4010KA, D8NN4011AB, D8NN4011HA, E9NN4N297AB, F1NN4010AA, F1NN4011AA. 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 oil seal measures 88.52 mm ID × 123.29 mm OD × 22.94 mm thick. The full attribute list is in the Specifications section above.









































