For GD8102 tube on Great Plains drills; GD7597 tube on Frontier, Haybuster, Vermeer drills; GD4338 tubes on Landoll drills; GD2004 tubes on Best, Morris, Sunflower, United Farm Tools drills.
Stem bearing, mounts with set screw, 2-13/16" overall length; for gauge and press wheels. For Great Plains, John Deere, Kuhn Krause, Lilliston/Melroe, Marliss, Massey Ferguson, Noble, Tye, United Farm Tools, White.