| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| STANDARD MOTOR PRODUCTS | EM6391 | Direct Cross Interchange | 1 |
| STANDARD MOTOR | EM6391 | Direct Cross Interchange | 1 |
| CARDONE | 776391 | Direct Cross Interchange | 1 |
| PONTIAC | 16196391 | Indirect Cross Interchange | 1 |
| CHEVROLET | 16196391 | Indirect Cross Interchange | 1 |
| OLDSMOBILE | 16196391 | Indirect Cross Interchange | 1 |