IDECO Mud pump T-500, T-800 & T-1000 fluid end parts list 
 
| Item | Part No. | Description | Qty per Pump | 
| 1 | MK-551-458 | Fluid Module, Only (Studded Included Items 1 – 5) | 3 | 
| 2 | MK-551-410-01 | Stud – Frame | 24 | 
| 3 | MK-551-410-02 | Stud – Discharge Manifold | 12 | 
| 4 | MK-551-410-03 | Stud – Threaded Ring | 48 | 
| 5 | MK-IN-416 | Nut | 84 | 
| 6 | MK-551-405-04 | Threaded Plug Retainer | 6 | 
| 7 | MK-551-405-03 | Threaded Ring | 9 | 
| 8 | MK-551-422-02 | Cylinder Head Plug | 3 | 
  | MK-551-422-03 | Cylinder Head Plug – Top (Included Items 8 & 16) | 3 | 
| 9 | MK-551-405-05 | Threaded Liner Retainer | 3 | 
| 10 | MK-551-405-07 | Lower Valve Guide | 3 | 
| 11 | MK-551-422-04 | Retainer – Lower Valve Guide | 3 | 
| 12 | MK-BMT-1669-63-09 | Seal – Cylinder Head Plug, Liner | 9 | 
| 13 | MK-IO-548 | Seal – Discharge Manifold | 3 | 
| 14 | MK-IO-521 | Seal – Suction Manifold | 3 | 
| 15 | MK-551-405-09 | Valve Guide Bushing | 6 | 
| 16 | MK-551-405-06 | Upper Valve Guide | 3 |