One New Aftermarket Replacement 10.5" Spring Loaded Trans Disc That Fits Case/International Harvester Industrial Construction Models: 2504, 2544, 2606 Tractor Models: 300, 330, 340, 350, 3616, 460, 504, 544, 606 Spline Diameter 1.125 Spline Count 10 Four Button Replaces Part Numbers: 384633-R4B, 384633-R6B Ra All OEM part numbers and logos are to be used for identification purposes only