| Item | Part No. | Part Name | Qty | Serial No. |
| 1126 727 C91 | VALVE ASSEMBLY, SYSTEM RELIEF | | |
| 1 | 347 391 R1 | WASHER, SEAL (WITHOUT COUNTERBORE) | | |
| 890 494 C1 | O-RING (WITH COUNTERBORE) | | |
| 2 | (NSS) | SPRING | | |
| 3 | (NSS) | O-RING | | |
| 4 | (NSS) | RING, BACK-UP | | |
| 5 | (NSS) | O-RING | | |
| 6 | 131 486 | NUT, ACORN (WITHOUT COUNTERBORE) | | |
| 1138 333 C1 | NUT, CAP (WITH COUNTERBORE) | | |
| 7 | 114 494 | NUT, LOCK (WITHOUT COUNTERBORE) | | |
| 1138 332 C1 | NUT, SEAL (WITH COUNTERBORE) | | |
| 8 | (NSS) | SCREW, ADJUSTING | | |
| 9 | (NSS) | POPPET | | |
| 10 | (NSS) | PLUG | | |
| N/I | 1218 880 H1 | KIT, SEAL AND SPRING | | |
| | | | |
| | F1 - INCLUDED IN SEAL AND SPRING KIT 1218 880 H1. | | |
| | | | |
| | | | |
| | F2 - FOR REPLACEMENT, ORDER THE FOLLOWING: | | |
| 1138 332 C1 | NUT | | |
| 1138 333 C1 | NUT | | |
| 890 494 C1 | O-RING | | |
