Part Number 238-5211 - A New Original O-Ring (0.139" Thick x 0.796" ID) For A CaseIH WD1203, WD1903, WD2303, WDX1002S, WDX1101, WDX1202, WDX1202S, WDX1701, WDX1901, WDX1902, WDX2302 Self Propelled Windrowers, David Brown 1200, 1210, 1212, 1410, 1412 Tractors, David Brown LF-Series Loaders, Case 430, 530, 1390, 1394, 1490, 1494, 1594, 1690, 2470, 2670, 2870, 3394, 3594, 4490, 4690, 4890 Tractors, CaseIH 4494, 4694, STX275, STX280, STX325, STX330, STX375, STX380, STX425, STX430, STX440, STX450, STX480, STX500, STX530 Tractors, Case 256, 300, 320, 420, 500, 520, 600, 750, 800, 1000, 1000C Crawler Tractors, Case 420BD, W36 Wheel Loader, Case 420B, 580C, 680H, 780, 780B Backhoe, IH 60, 60L, 70, 70L, 210 Moldboard Plow, IH 50 Forage Harvester, Farmall 504, 544, 656, 756, 806, 826, 1206, 1456 Tractors, IH Cub, Cub Lo-Boy, B414, 460, 504, 560, 606, 660, 706, 766, 786, 886, 966, 986, 1026, 1066, 1086, 1256, 1456, 1466, 1468, 1486, 1566, 1568, 1586, 2300, 3088, 3288, 3488, 3688HC, Hydro 70, Hydro 86, Hydro 100, Hydro 186 Tractors, IH Industrial 21026, 21206, 21256, 21456 Tractors  Old Part Numbers Are 86505727, A44941, A47653, C30316, E135900, G46846, H743377, K14509, K962970, P930179, Q430459, S630446, UK1690, S89615, 16202, 254691R1, 310938R1, 70923851, 763197R91, 763396R91, 83416192, 86502294, 87050S94