This is a A-183333C1 Hub, Fan Driver Fixed Pulley PN: 183333C1Main Description As Following : A-183333C1 Hub, Fan Driver Fixed Pulley P.N: 183333C1 Dim A (1): 1.253" bore Crossed From: AM183333C1 , , AV100207 VAPORMATIC , WN-183333C1 , , WN183333C1 , Found in Section & Models : Separator Area > Separator Area, Case-IH COMBINE: 1420, Case-IH COMBINE: 1440 (SN 10001>), Case-IH COMBINE: 1460 (SN 12001>), Case-IH COMBINE: 1470 (SN 1180>), Case-IH COMBINE: 1480 (SN 14001>), Case-IH COMBINE: 1482, Case-IH COMBINE: 1620, Case-IH COMBINE: 1640, Case-IH COMBINE: 1644, Case-IH COMBINE: 1660, Case-IH COMBINE: 1666, Case-IH COMBINE: 1670, Case-IH COMBINE: 1680, Case-IH COMBINE: 1682, Case-IH COMBINE: 1688, Case-IH COMBINE: 2144, Case-IH COMBINE: 2166, Case-IH COMBINE: 2188, Case-IH COMBINE: 2344, Case-IH COMBINE: 2366 Associated Items : New Also A-IH-P-ENG56CYL, A-IH-P-1420COMB, A-IH-S-ENGD155, A-IH-O-1440COMB, A-IH-P-ENG56CYL, A-IH-P-1440COMB, A-IH-S-ENG3400, A-IH-S-1440COMB, A-IH-O-1440COMB, A-IH-P-ENG56CYL, A-IH-P-1460COMB, A-IH-S-ENG3400, A-IH-S-1440COMB, A-IH-O-1440COMB, A-IH-P-ENG56CYL, A-IH-P-1480COMB, A-IH-S-ENG3400, A-IH-S-1440COMB, A-IH-S-1482COMB, A-IH-P-1620COMB And : Bore: 1.253"