| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MOOG | ES421R | Direct Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 260091202 | Indirect Cross Interchange | 1 |
| McQuay-Norris | ES421R | Indirect Cross Interchange | 1 |
| VW | 113415821 | Indirect Cross Interchange | 1 |
| SEALED POWER | 802421R | Indirect Cross Interchange | 1 |
| NAPA | 2692350 | Indirect Cross Interchange | 1 |
| LAZORLITE | U852350 | Indirect Cross Interchange | 1 |
| ITM | 4003614 | Indirect Cross Interchange | 1 |
| IMC | 43954021500 | Indirect Cross Interchange | 1 |
| CARQUEST | ES421R | Indirect Cross Interchange | 1 |
| CARQUEST | 4011140 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 0320004 | Indirect Cross Interchange | 1 |
| RAYBESTOS | 4011140 | Indirect Cross Interchange | 1 |
| REPCO | 10303614 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 1013400 | Indirect Cross Interchange | 1 |
| ACDelco | 45A0140 | Indirect Cross Interchange | 1 |
| TRW | ES421R | Indirect Cross Interchange | 1 |
| CEW | 4939022 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 43954021500 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | 113415821MY | Indirect Cross Interchange | 1 |
| RareParts | RP26242 | Indirect Cross Interchange | 1 |
| RareParts | 26242 | Indirect Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 91202 | Indirect Cross Interchange | 1 |