One New Aftermarket Replacement Rear Crankshaft Seal. Fits Case IH, Fits International Harvester, Universal Products Replacement Part. Fits 1026 1066 1086 1206 1256 1456 1460 1466 1470 1480 1486 1566 1586 1640 1660 1680 1844 21206 21256 21456 2806 2856 3388 3588 3788 4166 4186 4366 4386 453 5088 5288 5488 6388 6588 6788 766 806 815 856 886 915 966 DT414 DT436 DT466 E200 H56C UD414 UD7-414. Made to Replace 1809964C92 1809964C92-A 686444C91 691 691631C1 691631C91.