This is a A-1329745C1 Shaft, Seperator Drive Pulley PN: 1329745C1Main Description As Following : A-1329745C1 Shaft, Seperator Drive Pulley P.N: 1329745C1 Dim A (1): 23.31" longDim B (2): 14/ 17 spline Crossed From: AV100781 VAPORMATIC Found in Section & Models : Separator Area > Separator Area, Case-IH COMBINE: 1620 (SN: JJC0032630 >), Case-IH COMBINE: 1640 (SN: JJC0034705 >), Case-IH COMBINE: 1644, Case-IH COMBINE: 1660, Case-IH COMBINE: 1666, Case-IH COMBINE: 1670 (SN: JJC0080540 >), Case-IH COMBINE: 2144, Case-IH COMBINE: 2166, Case-IH COMBINE: 2344, Case-IH COMBINE: 2366 (SN: < JJC0253999) Associated Items : New Also A-IH-P-1620COMB, A-IH-S-ENGD155, A-IH-S-1660COMB, A-IH-S-1660COMB, A-IH-S-1660COMB, A-IH-S-1660COMB And : Dim A (1): 23.31" long Dim B (2): 14/ 17 spline