AT18886 John Deere 350 350B steering clutch pressure plate. These replacement pressure plates for the John Deere 350, 350B series crawlers are “NEW” not re-manufactured. Use caution when choosing a replacement steering clutch pressure plates. They are not all created equal. These AT18886 plates are the heavy duty pressure plates just like the originals. There are other much lighter duty pressure plates on the market today with light weight covers and light weight fingers. Over time, the springs in the steering clutch pressure plates become weak and can allow the clutch to slip therefore replacement of the steering clutch pressure plates is recommended whenever servicing the clutch assembly.