Pivot bushing, Width  3-3/8", O.D.  1.000", I.D.  .641", for For John Deere Grain Drill closing wheel arm; bolts to top of arm. Fits models 750 s/n 6001 and above; 1560, 1590, 1690, 1850, 1860, 1895, and 1990. Replaces  OEM# N280648