| Item | Part No. | Part Name | Qty | Serial No. |
| 01 | 621 325 40 | Control block assy. | ||
| 02 | Pressure relief valve | |||
| 03 | 763 272 73 | Housing | ||
| 04 | 168 432 40 | Vent valve | ||
| 05 | 754 580 | Cover | ||
| 08 | 319 256 99 | Bolt | ||
| 09 | 500 581 98 | O-ring | ||
| 10 | 994 477 | Pin | ||
| 11 | 994 476 | Spring plate | ||
| 12 | 994 473 | Compression spring | ||
| 13 | 994 472 | Compression spring | ||
| 14 | 994 482 | Piston (please advise serial-no. of block) | ||
| 15 | 754 581 | Cover | ||
| 16 | 994 410 | Sealing plate | ||
| 17 | 368 097 40 | Support ring | ||
| 18 | 367 124 99 | O-ring | ||
| 19 | 319 429 99 | Bolt | ||
| 20 | 255 011 40 | Taper | ||
| 21 | 255 012 40 | Compression spring | ||
| 22 | 288 761 40 | O-ring | ||
| 23 | 994 471 | Plug | ||
| 24 | 763 273 73 | Plug | ||
| 25 | 763 274 73 | Plug | ||
| 26 | 754 708 | Plug |