| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 21324 | Direct Cross Interchange | 1 |
| MACK | 21324 | Indirect Cross Interchange | 1 |
| MACK | 145821324 | Indirect Cross Interchange | 1 |
| FORD | 965821324 | Indirect Cross Interchange | 1 |
| PACCAR | 21324CHR | Indirect Cross Interchange | 1 |
| FREIGHTLINER | CHR21324 | Indirect Cross Interchange | 1 |
| WESTON | 54X73X1113R6 | Indirect Cross Interchange | 1 |
| L&S Bearing | 7121324 | Indirect Cross Interchange | 1 |