International / Farmall - Fits: Hydro 100, Hydro 186, [ Hydro 70, 666 (diesel) ], Hydro 86, 1086, 1466, 1486, 1566, 1586, 3388, 3488 (up to ESN: 57803), 3588, 3688, 3788, 4166, 4186, 4366, 4386, 5088, 5288, [ 5488, 7288, 7488 (up to ESN: 466775) ], 6388, 6588, 6788, 686 (with D-312 diesel), 766, 886 (with D360 engine up to SN: 14471), 966, 986; Replaces: 1802666C91, 1802666C92, 675361C2, 84409645
Fits International Harvester diesel engines:
D312 D360 D414 DT414 D436 DT436 DT466
ESN = engine serial number SN = serial number