New Holland 500086085 is the piston assy Clinton Tractor supplies for this application. It is listed as fitting 120 New Holland models.
What 500086085 fits
Fits: New Holland T9.470-ROWCROP, New Holland T9.520-ROWCROP, New Holland T9.520-SMARTTRAX, New Holland T9.580-ROWCROP, New Holland T9.580-SMARTTRAX + 116 more. Commonly ordered for the FPT F3HFA613A-E003 Engine, FPT F3HFA613A-E004 Engine, FPT F3HFA613A-E007 Engine. If your machine isn't listed, check the serial number before ordering.
Which numbers it replaces
500086085 replaces 500086086. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.













