| 1 | PACKING NUT – WITH W-FOR MODEL: TWS 600 MUD PUMP—SPM | P/N: 3P100178G | 
| 2 | SUCTION VALVE STOP-3 1/2IN-4 1/2IN FLUID END–TWS600 MUD PUMP-SPM | P/N: 3P100176 | 
| 3 | VALVE SPRING-3 1/2IN-4 1/2IN FLUID END–TWS600 MUD PUMP SPM | P/N: 4P100198 | 
| 4 | SUCTION COVER-TWS600 MUD PUMP—SPM | P/N: 3P104373LT | 
| 5 | NUT-RETAINER-MUD PUMP–SPM | P/N: 3P104372LT | 
| 6 | DISCHARGE COVER-TWS600 MUD PUMP—SPM | P/N: 3P105149LT | 
| 7 | COVER-DISCHARGE W/2″ 1502 F-MUD PUMP–SPM | P/N: 2P103069 | 
| 8 | PACKING ASSY-COMPLETE-FOR MODEL: TWS600 PUMP, 4.5″–SPM | P/N: 3A105263HP | 
| 9 | PLUNGER-4.5″-TWS600 MUD PUMP–SPM | P/N: 3P100181 | 
| 10 | BACK UP-STUFFING BOX-FOR MODEL: TWS600 MUDPUMP–SPM | P/N: 2P107195 | 
| 11 | VALVE – 4″ 500 AWS MUD PUMP OPI | P/N: 927SH01-3 | 
| 12 | VALVE SEAT – 500 AWS MUD PUMP OPI | P/N: P/N: 928SH01-4, | 
| 13 | O RING – VALVE SEAT 500 AWS MUD PUMP OPI | P/N: P/N: 901SH05-238 |