Mudking NATIONAL JWS400 Pump parts list
| Liners & Liner Packing |
| SIZES | LINER | LINER PACKING |
| 4” | MK-0237-40 | MKG-0272 |
| 4½” | MK-0237-44 | MKG-0274 |
| 5” | MK-0237-50 | MKG-0276 |
| 5½” | MK-0237-54 | MKG-0278 |
Gaskets
Valve Cover Gasket
MK-1715146
Cylinder Head Gasket
N/A
| SERIES | KING – G2 | KING – G2 |
| SUCTION | DISCHARGE |
| VALVE (Urethane Insert) | MK-1561575 | MK-1561575 |
| VALVE (Rubber Insert) | N/A | N/A |
| VALVE SEAT | MK-1561561 | MK-1561569 |
| VALVE SPRING | MK-G-1560698 | MK-1717296 |
| VALVE INSERT (Urethane) | MK-1561577 | MK-1561577 |
| VALVE INSERT (Red Thunder) | N/A | N/A |
| VALVE INSERT (Rubber) | N/A | N/A |
| VALVE SEAT PULLER HEAD | N/A | N/A |
| Piston Size | Red Thunder Bonded Pistons | Imperial Piston | Imperial Rubber Kits | Rubber Bonded | Long Life (Urethane) |
| 4” | MK-RT-400 | MK-I40HK10 | MK-I40HK | MK-RB-400 | MK-LL-400 |
| 4½” | MK-RT-440 | MK-I44HK10 | MK-I44HK | MK-RB-440 | MK-LL-440 |
| 5” | MK-RT-500 | MK-I50HK10 | MK-I50HK | MK-RB-500 | MK-LL-500 |
| 5½” | MK-RT-540 | MK-I54HK10 | MK-I54HK | MK-RB-540 | MK-LL-540 |
* ¼ Size are available upon request
RODS
PISTON ROD
EXTENSION
SUB ROD nnr.
ROD
ROD CLAMP
PISTON ROD NUT
PART NO.
MK-2239-A
MK-2239-B
MK-16-2239
MK-24-2239
MK-7403224
