| DP50000NPC20 | Compression helical spring | WABCO | | |
| DP50156N8 | Retaining ring | WABCO | | |
| DP50156NPC13 | Compression helical spring | WABCO | | |
| DP50156NPC23 | Preformed packing | WABCO | | |
| DP50156NPC29 | Diaphragm follower | WABCO | | |
| DP50549NP66J | Controller latch | WABCO | | |
| DP50549NPC6H | Latch spring | WABCO | | |
| DP50550NPC42 | Compression helical spring | WABCO | | |
| DP50550NPC74 | Pilot valve | WABCO | | |
| DP50550NPC77 | Compression helical spring | WABCO | | |
| DP50550NPC82 | Spring | WABCO | | |
| DP50550NPC89 | Cupped diaphragm | WABCO | | |
| DP50551NPC15 | Reducing valve body | WABCO | | |
| DP50551NPC15AT15G | Reducing valve body | WABCO | | |
| DP50552NPC20D | Compression helical spring | WABCO | | |
| DP50645NPC16 | Compression helical spring | WABCO | | |
| DP50663NPC27 | Controlai diaphragm | WABCO | | |
| DP50663NPC29 | Compression helical spring | WABCO | | |
| DP50663NPC33 | Dust and moisture seal boot | WABCO | | |
| DP50664NPC41 | Controlai diaphragm | WABCO | | |
| DP50664NPC43 | Compression helical spring | WABCO | | |