Aftermarket Interchangeable Double Spool Hydraulic Remote Valve Kit E1NNB950BA(1) Aftermarket Interchangeable Double Spool Double Acting Hydraulic Remote Valve Kit Fits Ford Tractor Models: 501, 541, 600, 601, 611, 620, 621, 630, 515, 631, 640, 641, 531, 650, 532, 651, 535, 660, 540, 545, 661, 671, 681, 700, 740, 741, 771, 800, 801, 811, 820, 821, 840, 841, 850, 851, 860, 861, 871, 881, 900, 901, 940, 941, 950, 951, 960, 961, 971, 981, 2000 (3 cylinder), 2000 (4 cylinder), 2031, 2100, 2111, 2120 (4 cylinder), 2121, 2131, 2150,