This is a A-AH136605SPL Concave, Special, Small Grain PN: AH136605SPLMain Description As Following : A-AH136605SPL Concave; Special, Small Grain P.N: AH136605SPL Concave designed to fit tighter around cylinder for better threshing in small grain. Crossed From: AV103452 VAPORMATIC , SW08757 , Found in Section & Models : Threshing Area > Concaves, John Deere COMBINE: CTS, John Deere COMBINE: CTS II, John Deere COMBINE: 9400, John Deere COMBINE: 9410, John Deere COMBINE: 9500, John Deere COMBINE: 9500SH, John Deere COMBINE: 9501, John Deere COMBINE: 9510, John Deere COMBINE: 9510SH Associated Items : New Also This is An Aftermarket Product And : Concave designed to fit tighter around cylinder for better threshing in small grain.