Premium Oilwell A-850 A-1100 A-1400 A-1700-PT pump Fluid end parts list
| Item | Part Number | Description | Qty per Pump |
| 1 | 10-300-181-P | Discharge Module With Studs | 3 |
| NS-10-300-181-P | Discharge Module – No Studs | 3 | |
| 2 | 49-001-292-P | Stud with Nuts – Discharge Manifold | 12 |
| 3 | 49-002-837-P | Stud with Nuts – Frame | 12 |
| STUDSET-A850/1100/1400/1700-PT-P | Stud Set with Nuts (Complete) | 3 | |
| 4 | 10-300-184-P | Wear Plate | 6 |
| 5 | 0742-P | Gasket – Wear Plate | 6 |
| 6 | 10-300-004-P | Valve Guide | 6 |
| 7 | 0760-P | Gasket – Valve Cover | 6 |
| 8 | 10-300-005-P | Valve Cover with Bolts for Retainer Plate | 6 |
| 9 | 10-300-183-P | Liner Adapter | 3 |
| 10 | 10-303-092-P | Nut, Liner Adapter (A850-PT, A1100-PT only) | 3 |
| 10-300-182-P | Nut, Liner Adapter (A1400-PT, A1700-PT only) | 3 | |
| 11 | 10-300-185-P | Spacer Ring – Liner | 3 |
| 12 | 10-303-091-P | Centering Sleeve, Liner (A850-PT, A1100-PT only) | 3 |
| 10-300-186-P | Centering Sleeve, Liner (A1400-PT, A1700-PT only) | 3 | |
| 13 | 0069-P | Gasket – Suction Manifold | 3 |
| 14 | 0345-P | Gasket – Discharge Manifold | 3 |