Intake & Exhaust Manifold Ford 951 701 801 800 811 871 4130 671 821 981 621 2120 2110 961 700 650 841 4000 851 861 900 661 971 NAA 681 651 881 4110 941 501 901 611 641 600 2000 631 601 New Holland Fits Ford Tractor(s) NAA, 501, 541, 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, 851, 860, 861, 871, 881, 900, 901, 941, 950, 951, 960, 961, 971, 981, 2000, 2031, 2110, 2111, 2120, 2130, 2131, 4000, 4031, 4110, 4120, 4121, 4130, 4131 (all with 134 or 172 gas engines) Fits Ford Construction & Industrial(s) 1801, 1811, 1821, 1841, 1871, 2030, 4040 Replaces Ford OEM nos B9NN9425A, 312556 Fits New Holland Skid Steer Loader(s) L778 Replaces New Holland OEM nos B9NN9425A