Sometimes there are multiple alternators for 1 application. Please view the pictures to identify the alternator that fits your vehicle.
Ford Alternators Explained| Expedition (5.4) | 3G Large Frame | 6G Small Frame |
| 1997 | 7791 | |
| 1998 | 7791 | |
| 1999 | 7791 | |
| 2000 | 7791 | |
| 2001 | 7791 | |
| 2002 | 7776 | |
| 2003 | 8305 | |
| 2004 | 8305 | |
| 2005 | 8443 |