EAF18183 Governor Shaft Oil Seal Fits Ford 600 700 800 900 2000 4000 NAA NAB +One New Aftermarket Replacement Governor Shaft Oil Seal that Fits Ford New Holland Tractor models: 500 Series, 600 Series, 700 Series, 800 Series, 900 Series, 2000 (4 Cyl.), 2031, 2111, 2120, 2131, 4000 (4 Cyl.), 4000SU (4140), 4030, 4031, 4040, 4110TR, 4120, 4121, 4130, 4131, NAA (Jubilee), NAB Fits Ford Industrial Construction models: 1801, 1811, 1821, 1841, 1871, 1881, 2030, 2130 Replaces Part Numbers: EAF18183, 50470S