| HHF-1300/1600 Fluid End Parts List | 
| No. | P/N(HHF-1300/1600) | Description | Qty | 
| 1 | 11-3161-0501-00 | Cylinder assembly | 3 | 
| 2 | 11-3161-0502 | Cylinder Cover, Threaded ring | 3 | 
| 3 | 11-3161-0503 | Cylinder Cover, Threaded ring | 3 | 
| 4 | 11-3161-0504-00 | Spacer assembly | 3 | 
| 5 | 11-3161-0505-00 | Guide, valve lower | 3 | 
| 6 | 11-3161-0506-00 | Plug, cylinder cover | 3 | 
| 7 | 11-3161-0507 | Positioning panel | 3 | 
| 8 | 11-3161-0508 | Seal ring, cylinder cover | 3 | 
| 9 | 11-3161-0509 | Discharge manifold | 1 | 
| 10 | 11-3161-0510 | Valve spring | 6 | 
| 11 | B34521-095-530-69 | O ring, 95*5.3 G | 3 | 
| 12 | 11-3161-0511-00 | Valve assembly | 6 | 
| 13 | 11-3161-0512 | Seal ring, valve cover | 3 | 
| 14 | 11-3161-0513 | Valve cover | 3 | 
| 15 | 11-3161-0514 | Seal ring, liner | 6 | 
| 16 | 11-3161-0515 | Liner wear ring | 3 | 
| 17 | 11-3161-0516 | Liner retainer ring | 3 | 
| 18 | 11-3161-0517-00 | Liner retainer screw | 3 | 
| 19 | 11-3161-0518 | Piston rod | 3 | 
| 20 | 11-3161-0519-00 | Spraying pipe assembly | 1 | 
| 21 | B34521-200-700-69 | O ring, 200*7.0 G | 3 | 
| 22 | 11-3161-0520 | Locking Ring, Liner Retainer screw | 3 | 
|  | 11-3161-0521-21 | Bi-metal liner 5 | 3 | 
|  | 11-3161-0521-22 | Bi-metal liner 5 1/2 |  | 
|  | 11-3161-0521-23 | Bi-metal liner 6 |  | 
|  | 11-3161-0521-24 | Bi-metal liner 6 1/4 |  | 
|  | 11-3161-0521-25 | Bi-metal liner 6 1/2 |  | 
|  | 11-3161-0521-26 | Bi-metal liner 6 3/4 |  | 
| 23 | 11-3161-0521-11 | Ordinary liner 5 |  | 
|  | 11-3161-0521-12 | Ordinary liner 5 1/2 |  | 
|  | 11-3161-0521-13 | Ordinary liner 6 |  | 
|  | 11-3161-0521-14 | Ordinary liner 6 1/4 |  | 
|  | 11-3161-0521-15 | Ordinary liner 6 1/2 |  | 
|  | 11-3161-0521-16 | Ordinary liner 6 3/4 |  | 
|  | 11-3161-0521-17 | Ordinary liner 7 | 3 | 
| 24 | 11-3161-0522-00 | Clamp assembly, piston rod | 3 | 
| 25 | 11-3161-0523 | Splash Shield, liner | 3 | 
| 26 | 11-3161-0524-00 | Piston | 3 | 
| 27 | 11-3161-0542 | Bolt, 7/8-9UNC-2A*60 | 18 | 
| 28 | 11-3161-0525-00 | Suction manifold | 1 | 
| 29 | 11-3161-0526-00 | Shim | 4 | 
| 30 | 11-3161-0527 | Guide, valve (upper) | 3 | 
| 31 | 11-3161-0528 | Stud, 1 1/2-8UN-2A*265 | 16 | 
| 32 | 11-3161-0501-06 | Nut, 1 1/2-8UN-2B (SPL) | 44 | 
| 33 | 11-3161-0529 | Baffle | 3 | 
| 34 | 11-3161-0530 | Bolt, 3/8-16UNC-2A*20 | 12 | 
| 35 | 11-3161-0531 | Seal ring, piston | 3 | 
| 36 | 11-3161-0532-00 | Nut, piston | 3 | 
| 37 | B34521-190-700-69 | O ring, 190*7.0 G | 3 | 
| 38 | 11-3161-0533-00 | Suction damper | 1 | 
| 39 | B34521-345-700-69 | O ring, 345*7.0 G | 3 | 
| 40 | 11-3161-0534 | Suction flange ( I ) | 1 | 
| 41 | 11-3161-0535 | Suction flange (II) | 1 | 
| 42 | 11-3161-0543 | Nut, 1 1/16-8UN-2B (SPL) | 36 | 
| 43 | 11-3161-0544 | Bolt 1 1/16-8UN-2A*90 | 36 | 
| 44 | 11-3161-0545 | Steel wire, 01.60 (L=1830) | 1 | 
| 45 | 11-3161-0536 | Screw plug, NPT1 1/2 | 1 | 
| 46 | 11-3161-0537 | Bolt, 1 1/2 | 12 | 
| 47 | 11-3161-0546 | Sealant: | As required | 
| 48 | 11-3161-0538 | Plug, suction let, 12″ | 1 | 
| 49 | 11-3161-0539 | Closure plate, discharge let, 5 1/8″ | 1 | 
| 50 | 11-3161-0540 | Washer, 39 | 30 | 
| 51 | 11-3161-0541-00 | Spring guide | 3 | 
| R1 | 11-3161-0501-02 | Stud, 1-8UNC (14UNS) -2A*185 | 36 | 
| R2 | 11-3161-0501-03 | Nut, 1-8UNC-2B (SPL) | 36 | 
| R3 | 11-3161-0501-04 | Stud, 1 1/2-8UN (12UNF) -2A*170 | 30 | 
| R4 | 11-3161-0501-06 | Nut, 1 1/2-8UN-2B (SPL) | 60 | 
| R5 | 11-3161-0501-05 | Stud, 1 1/2-8UN (12UNF) -2A*120 | 30 | 
| R6 | 11-3161-0501-07 | Stud, 1 1/4-8UN (12UNF) -2A*195 | 12 | 
| R7 | 11-3161-0501-08 | Nut, 1 1/4-8UN-2B (SPL) | 12 |