| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| CARQUEST | MD521 | Direct Cross Interchange | 3 |
| NEWTEK | D521 | Direct Cross Interchange | 2 |
| GUARDIAN | 65521 | Direct Cross Interchange | 1 |
| Inwood | DMX521 | Direct Cross Interchange | 1 |
| FEDERATED | MD521 | Indirect Cross Interchange | 2 |
| FEDERATED | D521 | Indirect Cross Interchange | 2 |
| FEDERATED | CD521 | Indirect Cross Interchange | 2 |
| AUTO EXTRA | AXOD521 | Indirect Cross Interchange | 2 |
| AUTO EXTRA | AXCD521 | Indirect Cross Interchange | 2 |
| CARQUEST | BXD521H | Indirect Cross Interchange | 1 |
| CARQUEST | BMD521 | Indirect Cross Interchange | 1 |
| CARQUEST | BCD521 | Indirect Cross Interchange | 1 |
| RAYBESTOS | SGD524M | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD524M | Indirect Cross Interchange | 1 |
| RAYBESTOS | ATD524C | Indirect Cross Interchange | 1 |
| ACDelco | 17D524M | Indirect Cross Interchange | 1 |
| AutoZone | SGD524M | Indirect Cross Interchange | 1 |
| AutoZone | PGD524M | Indirect Cross Interchange | 1 |
| AutoZone | ATD524C | Indirect Cross Interchange | 1 |
| AUTO EXTRA | AXCD524 | Indirect Cross Interchange | 1 |
| AUTO EXTRA | AXMD524 | Indirect Cross Interchange | 1 |