Crankshaft Damper Pulley
CTPA-683459C94 Replacement Part to Fit:  Case/IH "For Models: (1466, 1486, 1566, 1586 ALL W/ DT-436 ENGINE), (1480, 1640, 1660, 1680, 3788, 5288, 6788 ALL W/ DT-466 ENGINE)"  Price:  $183.12  Buyers Club Price:  $164.81