Turbocharger
CTPA-A184785 Replacement Part to Fit:  Case/IH "For Models: 1066, 1086, 1466, 1486, 1566, 1586, 3388, 4100, 4156, 4166, 4186, 4386 Eng. SN <-77300, 5088, 5288, 5488, 6388"  Price:  $548.10  Buyers Club Price:  $493.29