Bushing, Steering Cylinder Pivot. PART NO: A-533283R1. Dim A (1)1.635" O.D. Dim B (2)1.510" I.D. Dim C (3).420" Wide. . MODELS: Case-IH TRACTOR: HYDRO 100 Case-IH TRACTOR: HYDRO 186 Case-IH TRACTOR: 1066 Case-IH TRACTOR: 1086 Case-IH TRACTOR: 1466 Case-IH TRACTOR: 1468 Case-IH TRACTOR: 1486 Case-IH TRACTOR: 1566 Case-IH TRACTOR: 1568 Case-IH TRACTOR: 1586 Case-IH TRACTOR: 3488 Case-IH TRACTOR: 3688 Case-IH TRACTOR: 5088 Case-IH TRACTOR: 766 Case-IH TRACTOR: 786 Case-IH TRACTOR: 886 Case-IH TRACTOR: 966 Case-IH TRACTOR: 986.