| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| AutoZone | A551HD | Direct Cross Interchange | 3 |
| STANDARD MOTOR PRODUCTS | A551HD | Direct Cross Interchange | 2 |
| STANDARD MOTOR | A551HD | Direct Cross Interchange | 2 |
| ACDelco | 1SD55XR | Indirect Cross Interchange | 2 |
| CARQUEST | A551HD | Indirect Cross Interchange | 1 |
| ACDelco | 2SX521D | Indirect Cross Interchange | 1 |
| GM | 15371999 | Indirect Cross Interchange | 1 |