This is a A-1680FL Front Lip, Concave, Bolt On PN: 1680FLMain Description As Following : A-1680FL Front Lip, Concave; Bolt On P.N: 1680FL Bolt On Front Concave Lip For All Narrow And Wide Spaced Concaves. Replaces: CIHC1680FL *** NO CLASS *** , Crossed From: AV101118 VAPORMATIC Found in Section & Models : Threshing Area > Concaves, Case-IH COMBINE: 1680, Case-IH COMBINE: 1682, Case-IH COMBINE: 1688, Case-IH COMBINE: 2188, Case-IH COMBINE: 2388, Case-IH COMBINE: 2577, Case-IH COMBINE: 2588 Associated Items : New Also A-IH-S-1660COMB, A-IH-S-1660COMB And : Bolt On Front Concave Lip For All Narrow And Wide Spaced Concaves.