| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BENDIX | RD621 | Direct Cross Interchange | 1 |
| FMSI | 7497D621 | Indirect Cross Interchange | 1 |
| CENTRIC | 30109480 | Indirect Cross Interchange | 1 |
| BENDIX | D621CT | Indirect Cross Interchange | 1 |
| CENTRIC | 30106210 | Indirect Cross Interchange | 1 |
| CENTRIC | 30006210 | Indirect Cross Interchange | 1 |
| BENDIX | D621 | Indirect Cross Interchange | 1 |
| CENTRIC | 1020948 | Indirect Cross Interchange | 1 |
| RAYBESTOS | SGD948C | Indirect Cross Interchange | 1 |
| CARQUEST | BD621 | Indirect Cross Interchange | 1 |
| RAYBESTOS | SGD621C | Indirect Cross Interchange | 1 |
| CARQUEST | BCD621 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD621C | Indirect Cross Interchange | 1 |
| WAGNER | ZX948 | Indirect Cross Interchange | 1 |
| WAGNER | ZD621A | Indirect Cross Interchange | 1 |
| WAGNER | ZD621 | Indirect Cross Interchange | 1 |
| WAGNER | MX433B | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0821482 | Indirect Cross Interchange | 1 |
| ACDelco | 17D621 | Indirect Cross Interchange | 1 |
| QUALITEE | PF621 | Indirect Cross Interchange | 1 |
| DASH 4 | CFD621 | Indirect Cross Interchange | 1 |
| DASH 4 | CD621 | Indirect Cross Interchange | 1 |
| AUTO EXTRA | AXMD621 | Indirect Cross Interchange | 1 |
| AUTO EXTRA | AXCD621 | Indirect Cross Interchange | 1 |
| AutoZone | SGD948C | Indirect Cross Interchange | 1 |
| AutoZone | SGD621C | Indirect Cross Interchange | 1 |
| AutoZone | PGD621C | Indirect Cross Interchange | 1 |
| AutoZone | D621CT | Indirect Cross Interchange | 1 |
| AutoZone | D621 | Indirect Cross Interchange | 1 |
| Morse Brake | NX621 | Indirect Cross Interchange | 1 |
| UNIVERSAL (BRAKE) | MD621 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | PR621 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | MPD621 | Indirect Cross Interchange | 1 |
| MIGHTY | XL621C | Indirect Cross Interchange | 1 |
| MIGHTY | XL621 | Indirect Cross Interchange | 1 |
| MIGHTY | TS621 | Indirect Cross Interchange | 1 |
| FMSI | 7998D621 | Indirect Cross Interchange | 1 |
| FMSI | 7497D948 | Indirect Cross Interchange | 1 |