| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BGA | V017017 | Direct Cross Interchange | 9 |
| FIAT | 4340119 | Direct Cross Interchange | 6 |
| FRECCIA | 3529 | Direct Cross Interchange | 6 |
| TRW Engine Component | 17017 | Direct Cross Interchange | 6 |
| AE | V90399 | Direct Cross Interchange | 5 |
| FRECCIA | R3529RCR | Direct Cross Interchange | 4 |
| KOLBENSCHMIDT | 50004171 | Direct Cross Interchange | 3 |
| CORTECO | 552631B | Direct Cross Interchange | 3 |
| OSVAT | 2631 | Direct Cross Interchange | 3 |
| LANCIA | 4412822 | Direct Cross Interchange | 2 |
| INTERMOTOR | 1115 | Direct Cross Interchange | 2 |
| TRW | 17017 | Indirect Cross Interchange | 5 |
| AUTOBIANCHI | 4340119 | Indirect Cross Interchange | 2 |
| AE | V90065 | Indirect Cross Interchange | 2 |
| LANCIA | 4340119 | Indirect Cross Interchange | 1 |
| FIAT | 4412822 | Indirect Cross Interchange | 1 |
| TRW | 17164 | Indirect Cross Interchange | 1 |
| TRW | 17097 | Indirect Cross Interchange | 1 |
| INTERVALVES | 1115 | Indirect Cross Interchange | 1 |