| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| STANDARD MOTOR PRODUCTS | EM4399U | Direct Cross Interchange | 1 |
| STANDARD MOTOR PRODUCTS | EM4399 | Direct Cross Interchange | 1 |
| STANDARD MOTOR | EM4399U | Direct Cross Interchange | 1 |
| CARDONE | 774399F | Direct Cross Interchange | 1 |
| CADILLAC | 16214399 | Indirect Cross Interchange | 1 |
| BUICK | 16214399 | Indirect Cross Interchange | 1 |
| PONTIAC | 16214399 | Indirect Cross Interchange | 1 |
| CHEVROLET | 16214399 | Indirect Cross Interchange | 1 |