Halliburton HT-400 pump parts list
| No | Item | Qty | UoM |
| 1 | SPACER 4.5 IN, 101377659, HT-400, FLUID END HT-400 PARTS, HALLIBURTON | 3 | EA |
| 2 | HEADER RING 4.5 HNBR, 101377660, HT-400, FLUID END HT-400 PARTS, HALLIBURTON | 3 | EA |
| 3 | PACKING 4.5 CDI WSP1, 101377661, HT-400, FLUID END HT-400 PARTS, HALLIBURTON | 3 | EA |
| 4 | ADAPTER FEMALE 4.5, 101377663, HT-400, FLUID END HT-400 PARTS, HALLIBURTON | 3 | EA |
| 5 | CARRIER, SEAL 4.5 CDI, 101377664, HT-400, FLUID END HT-400 PARTS, HALLIBURTON | 3 | EA |
| 6 | ORING, 90 DURO, 100002019, HT-400, 5-1/2 X 5-1/4 X 1/8 568-252 | 3 | EA |
| 7 | SEAL PACKING LUBE, 101377665, HT-400, FLUID END HT-400 PARTS | 3 | EA |
| 8 | RETAINER GUIDE BUSHING 31623953, Triplex Pump HT-400 | 6 | EA |
| 9 | O-RING, 834041 | 6 | EA |
| 10 | SEAT VALVE TAPERED 31622047 | 6 | EA |
| 11 | INSERT POLYUREATHANE, 316-22049, HALLIBURTON | 6 | EA |
| 12 | INSERT VALVE NO 4 URETHANE 316.22046, HT-400 HALLIBURTON | 6 | EA |
| 13 | VALVE 31622048 FRAC | 3 | PC |
| 14 | SPRING VALVE 3162308 | 3 | EA |
| 15 | BUSHING ASSY VALVE GUIDE 31622004, Triplex Pump HT-400 | 6 | EA |
| 16 | LINE,316.22005,F/TWO PIECE BUSHING VLV | 6 | EA |
| 17 | RING SPACER NO/4, 316/22051, DISCHARGE, VALVE AND CTUDNDER HEAD COVER 4-1/2 | 3 | EA |
| 18 | GASKET CYLINDER HEAD VLV COVER 31622052 | 3 | EA |
| 19 | NUT 1 – 14NF INTERNAL 316-11621 | 4 | EA |
| 20 | STUD, FL END TO DISC. FLANGE, 316.23013, F/ HT-400 | 4 | EA |
| 21 | SEAL DISC PASSAGE 3-3/8IN OD, 3162547 | 4 | EA |