| Description | PZ-7 mud pump | PZ-8 mud pump | PZ-9 mud pump | PZ-10 and PZ-11 mud pump |
| liner of Crosshead Upper | 200PZG309 | 2012509 | PZ222 | 200PZL309 |
| Liner of Crosshead Lower | 200PZG309 | 2012509 | PZ222 | 200PZL309 |
| Pin of Crosshead | 200PZG189 | 200PZH189 | PZ189 | 200PZL706 |
| Extension Rod | 200PZH839 | 1PO183 | PZ183 | 200PZL839 |
| Sub Rod | ||||
| Crosshead | 200PZG005 | 200PZH005 | PZ175 | 200PZL005 |
| Pinion Shaft | 200PZG371 | 2012507 | 1PZ371 | 200PZK371 |
| Connecting Rod | 200PZG003 | 2012506 | PZ417 | 200PZL003 |
| Bull Gear | 200PZG280 | 2012508 | 1PZ180 | 200PZK280 |
| Bearing, Crosshead | 97A29 | 12BA44 | 12AM3 | 12BA5 |
| Bearing, Pinion Shanft | 12W75 | 12W58 | 12W60 | 12W73 |
| Bearing, Eccentric | 12BA18 | 12W85 | 12W84 | 12BA6 |
| Bearing, Main | 12BA20 | 12GF38 | 12GF36 | 12BA4 |