Part Number 238-6334 - A New Original O-Ring (0.21" Thick x 2.6" ID) For The Hydraulic Draft Control Piston On An IH B414, FU-267D, 276, 354, 364, 384, 424, 434, 444, 2300, 2350A, 3388, 3588, 3788, 4100, 4156, 4166, 4186, 4386, 4586, 4786 Tractors, IH Industrial 2424, 2444 Tractors, CaseIH 145 Moldboard Plow, IH 95, 1400 Cotton Harvester, IH 403 Combine, IH 45 Cultivator, IH 82-Series Lister, CaseIH 475 Disk Harrow, IH 140, 510, 535, 540, 550, 560, 710 Moldboard Plow, IH 555, 650 Forage Harvester, IH 211 Rotary Cutter, Case 90, 96L Front End Loader.  Old Part Numbers Are B17304, S6698, T57775, T57781, 1282403C91, 145656C1, 145656C2, 145656C91, 283857R1, 1252164C2, 1252164C1, 381871R1, 62581C91, 74303C91, 762322R1.