UM50230 6 Speed -18 Tooth-10 Spline

Replaces number 180420M1

Fits: 35, 50, 65, 135, 150, 165, 175, 180, 230, 235, 245, 255
265, 275, 202, 203, 204, 205, 302, 304, 20, 2135, 20C, 30B, 40B, 30, 31, 40, 3165