| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| STANDARD MOTOR PRODUCTS | EM3978 | Direct Cross Interchange | 1 |
| STANDARD MOTOR | EM3978 | Direct Cross Interchange | 1 |
| CARDONE | 773978 | Direct Cross Interchange | 1 |
| OLDSMOBILE | 16183978 | Indirect Cross Interchange | 1 |
| BUICK | 16183978 | Indirect Cross Interchange | 1 |
| PONTIAC | 16183978 | Indirect Cross Interchange | 1 |