| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| METZGER | CR721 | Direct Cross Interchange | 6 |
| OJD (QUICK BRAKE) | 0721 | Direct Cross Interchange | 6 |
| DELPHI | LY1137 | Direct Cross Interchange | 4 |
| A.B.S. | 0721Q | Direct Cross Interchange | 4 |
| TRISCAN | 8105272576 | Direct Cross Interchange | 3 |
| BOSCH | 1987475210 | Direct Cross Interchange | 3 |
| ATE | 03013791992 | Indirect Cross Interchange | 5 |
| ATE | 669199 | Indirect Cross Interchange | 2 |
| ATE | 0301379199202 | Indirect Cross Interchange | 2 |
| NK | 7948721 | Indirect Cross Interchange | 2 |
| TRW | SFK248 | Indirect Cross Interchange | 1 |
| APEC braking | KIT955 | Indirect Cross Interchange | 1 |
| MINTEX | MBA721 | Indirect Cross Interchange | 1 |
| VOLVO | 33407210 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | BFK381 | Indirect Cross Interchange | 1 |
| TRISCAN | FBA10721 | Indirect Cross Interchange | 1 |
| TRISCAN | 290721 | Indirect Cross Interchange | 1 |
| TRISCAN | 11650721 | Indirect Cross Interchange | 1 |
| HAVAM | HP3721 | Indirect Cross Interchange | 1 |
| LUCAS ELECTRICAL | SFK248 | Indirect Cross Interchange | 1 |
| OJD (QUICK BRAKE) | OJD721 | Indirect Cross Interchange | 1 |
| OJD (QUICK BRAKE) | OJD0721 | Indirect Cross Interchange | 1 |