| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| METZGER | Z1273 | Direct Cross Interchange | 8 |
| PEX | 1273 | Direct Cross Interchange | 6 |
| NK | 7923273 | Direct Cross Interchange | 5 |
| DELPHI | LX0270 | Direct Cross Interchange | 5 |
| A.B.S. | 1273Q | Direct Cross Interchange | 4 |
| BOSCH | 1987474282 | Direct Cross Interchange | 4 |
| ATE | 13046004342 | Direct Cross Interchange | 4 |
| TRISCAN | 8105151348 | Direct Cross Interchange | 4 |
| LANCIA | 4321273 | Indirect Cross Interchange | 3 |
| FIAT | 7551273 | Indirect Cross Interchange | 3 |
| TRW | PFK389 | Indirect Cross Interchange | 3 |
| TEXTAR | 97200033691 | Indirect Cross Interchange | 2 |
| LUCAS ELECTRICAL | PFK389 | Indirect Cross Interchange | 2 |
| FIAT | 9946108 | Indirect Cross Interchange | 2 |
| MINTEX | MBA1273 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | BFK846 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | BFK1290 | Indirect Cross Interchange | 1 |
| FORD | 1554709 | Indirect Cross Interchange | 1 |
| fri.tech. | KIT066 | Indirect Cross Interchange | 1 |
| KAWE | Q1273 | Indirect Cross Interchange | 1 |
| APEC braking | KIT314 | Indirect Cross Interchange | 1 |
| OJD (QUICK BRAKE) | OJD1273 | Indirect Cross Interchange | 1 |
| ATE | 1304600434202 | Indirect Cross Interchange | 1 |
| TEXTAR | 82033600 | Indirect Cross Interchange | 1 |
| TRISCAN | 291273 | Indirect Cross Interchange | 1 |
| BOSCH | 1987474282 | Indirect Cross Interchange | 1 |
| HAVAM | HP4673 | Indirect Cross Interchange | 1 |
| TRUSTING | KIT066 | Indirect Cross Interchange | 1 |
| PEX | 1159 | Indirect Cross Interchange | 1 |