Governor Assembly Ford 850 900 661 821 981 4120 951 701 801 820 800 811 4130 671 621 2120 2110 961 700 4140 650 841 4000 651 4030 4110 971 NAA 620 681 941 501 1801 901 611 641 600 2000 631 630 601 Fits Ford Tractor(s) NAA, 501, 600, 601, 611, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 671, 681, 700, 701, 740, 741, 771, 800, 801, 811, 820, 821, 840, 841, 850, 900, 901, 941, 950, 951, 960, 961, 971, 981, 2000, 2031, 2110, 2111, 2120, 2130, 2131, 4000, 4030, 4031, 4110, 4120, 4121, 4130, 4131 Fits Ford Construction & Industrial(s) 541, 1801, 1811, 1821, 1841, 1871, 1881, 2030, 4040, 4140 Replaces Ford OEM nos EAF12470A This Governor Assembly is for gasoline models 1958-1964 with s/n 26402-later All new, rebuilt and used tractor parts have a 1-year warranty