| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 12621 | Direct Cross Interchange | 1 |
| GARLOCK | 215270445 | Indirect Cross Interchange | 1 |
| GARLOCK | 211580447 | Indirect Cross Interchange | 1 |
| GARLOCK | 211580446 | Indirect Cross Interchange | 1 |
| GARLOCK | 211580445 | Indirect Cross Interchange | 1 |
| MACK | 145812621 | Indirect Cross Interchange | 1 |
| MACK | 12621 | Indirect Cross Interchange | 1 |
| FORD | 965812621 | Indirect Cross Interchange | 1 |
| NSN | 53301784744 | Indirect Cross Interchange | 1 |
| NSN | 533001052249 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 50481 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 481818 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 480481 | Indirect Cross Interchange | 1 |
| TIMKEN | 470481 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 471818 | Indirect Cross Interchange | 1 |
| TIMKEN | 450481 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 470481 | Indirect Cross Interchange | 1 |
| TIMKEN | 410481 | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 450481 | Indirect Cross Interchange | 1 |
| PACCAR | 12621CHR | Indirect Cross Interchange | 1 |
| FEDERAL MOGUL | 410481 | Indirect Cross Interchange | 1 |
| MICHIGAN | 4120 | Indirect Cross Interchange | 1 |
| CARQUEST | 471818 | Indirect Cross Interchange | 1 |
| MICHIGAN | 108244 | Indirect Cross Interchange | 1 |
| FREIGHTLINER | CHR12621 | Indirect Cross Interchange | 1 |
| Precision Seals & Bearings | 471818 | Indirect Cross Interchange | 1 |
| DT Components | 471818 | Indirect Cross Interchange | 1 |
| Boston Gear | 27252 | Indirect Cross Interchange | 1 |
| TRANSCOM | 12243SC | Indirect Cross Interchange | 1 |
| NOK | AD7625E0 | Indirect Cross Interchange | 1 |
| NOK | AD7625E | Indirect Cross Interchange | 1 |
| NAVISTAR | CR12621 | Indirect Cross Interchange | 1 |
| JM CLIPPER | 11982LUP | Indirect Cross Interchange | 1 |
| TIMKEN | 50481 | Indirect Cross Interchange | 1 |
| JM CLIPPER | 012511982LUP | Indirect Cross Interchange | 1 |
| TIMKEN | 481818 | Indirect Cross Interchange | 1 |
| TROSTEL | A54449 | Indirect Cross Interchange | 1 |
| TIMKEN | 471818 | Indirect Cross Interchange | 1 |
| L&S Bearing | 7112621 | Indirect Cross Interchange | 1 |
| L&S Bearing | 54449S | Indirect Cross Interchange | 1 |
| L&S Bearing | 54449 | Indirect Cross Interchange | 1 |
| GARLOCK | 63X8569R1 | Indirect Cross Interchange | 1 |
| GARLOCK | 235478569 | Indirect Cross Interchange | 1 |