670C - GRADER, MOTOR 2160 HYDRAULIC SYSTEM Hydraulic Pump Shaft Assembly (4.5 in. 3) For full view, you need register Parts on group Hydraulic Pump Shaft Assembly (4.5 in. 3): Pos. Part No Qty Parts name Comments 1. ........ [1] Snap Ring 2. ........ [1] O-Ring 3. ........ [2] Bearing 4. ........ [1] Spacer 5. ........ [1] Shaft 6. AT214881 [1] Drive Shaft KIT