Fuel Sending Unit International 806 806 1568 1568 1566 1566 560 560 1256 1256 1466 1466 766 766 1066 1066 1468 1468 Hydro 100 Hydro 100 856 856 666 1456 1456 826 826 706 706 544 544 686 686 966 966 Fits International Tractor(s) Hydro 70, Hydro 86, Hydro 100, 544, 560, 660, 666, 686, 706, 766, 806, 826, 856, 966, 1026, 1066, 1206, 1256, 1456, 1466, 1468, 1566, 1568, 2544, 2656, 2706, 2756, 2806, 2826, 2856, 21026, 21206, 21256, 21456 Fits International Construction & Industrial(s) 21206, 21256, 21456 Replaces International OEM nos 378427R94, 378427R91 Includes: sending unit, gasket Replaces Stewart Warner units