| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Precision Seals & Bearings | 21075 | Direct Cross Interchange | 1 |
| DT Components | 21075 | Direct Cross Interchange | 1 |
| MOPAR PARTS | Y21075 | Indirect Cross Interchange | 2 |
| TIMKEN | 21075 | Indirect Cross Interchange | 2 |
| IHC | 400990R91 | Indirect Cross Interchange | 2 |
| IHC | 394167R91 | Indirect Cross Interchange | 2 |
| IHC | 300449R91 | Indirect Cross Interchange | 2 |
| PERFECT CIRCLE | 21075 | Indirect Cross Interchange | 2 |
| STUDEBAKER | 1690072 | Indirect Cross Interchange | 2 |
| HYSTER | 264604 | Indirect Cross Interchange | 2 |
| STUDEBAKER | 1690071 | Indirect Cross Interchange | 2 |
| AUSTIN-WESTERN | 312685 | Indirect Cross Interchange | 2 |
| ALLIS-CHALMERS | 158515 | Indirect Cross Interchange | 2 |
| CLARK | EV1993 | Indirect Cross Interchange | 2 |
| CLARK | 731311 | Indirect Cross Interchange | 2 |
| KENWORTH | KW1439 | Indirect Cross Interchange | 2 |
| BRITISH LEYLAND | 561089 | Indirect Cross Interchange | 2 |
| McQuay-Norris | BT21075 | Indirect Cross Interchange | 2 |
| Spicer-Dana | 550439 | Indirect Cross Interchange | 2 |
| RIV | 028221 | Indirect Cross Interchange | 2 |
| RIV | 028121 | Indirect Cross Interchange | 2 |
| JOY MFG | 95X21075 | Indirect Cross Interchange | 2 |
| JOY MFG | 9500881 | Indirect Cross Interchange | 2 |
| WHITE MOTOR | 28614 | Indirect Cross Interchange | 2 |
| WHITE MOTOR | 1E0313 | Indirect Cross Interchange | 2 |
| MACK | 149358 | Indirect Cross Interchange | 2 |
| GM | 187846 | Indirect Cross Interchange | 2 |
| GM | 18746 | Indirect Cross Interchange | 2 |
| GM | 15533296 | Indirect Cross Interchange | 2 |
| CHRYSLER | 598838 | Indirect Cross Interchange | 2 |
| SEALED POWER | F21075 | Indirect Cross Interchange | 2 |
| FEDERAL MOGUL | 21075 | Indirect Cross Interchange | 2 |
| SKF | BR21075 | Indirect Cross Interchange | 2 |
| SKF | 21075 | Indirect Cross Interchange | 2 |
| SKF | 1115005 | Indirect Cross Interchange | 2 |
| AMC | 51693 | Indirect Cross Interchange | 2 |