For Allison Shift Pad Transmission Selector WTEC-3 Push Button Shifter 29529429
29529429, 29529430, 29538371, 29538372, 29538373, 29538022, 29538356, 29538360. Fits Allison Buses and Trucks. Function: Allow the driver to smoothly shift transmission by touching buttons, helping to easily select the desired transmission shift range.