New Genuine Case IH Feeder House Chain Slat part number 1313190C1.  This chain slat part number replaces 1313419C2 and 118270A1 and fits many Case IH/ International combine models. Models include 1420, 1440, 1460, 1620, 1640, 1644, 1660, and 1666. Part 1313190C1 is approximately 34.5" long and 2" wide.