One New Aftermarket Replacement Unloading Auger Lower Drive Gear that Fits Case-IH Combine Models: 1640 (P.I.N. JJC0097103), 1644, 1660 (P.I.N. JJC0102897), 1666, 1680 (P.I.N. JJC0115352), 1688, 2144, 2166, 2188, 2344, 2366, 2377
1.50″ Bore, 21 Teeth
Replaces Part Number: 1989464C1
EQ
