Rear
| TYPE & VISCOSITY To determine if a differential is a standard type or a limited-slip type, check axle code listed on label on door lock pillar. Standard Axle Codes -- consist of TWO NUMBERS Limited-Slip Axle Codes -- will consist of ONE LETTER and ONE NUMBER | Standard Ford part number F1TZ-19580-B | Synthetic 75W-140 |
| Limited Slip Ford part number F1TZ-19580-B | Synthetic 75W-140 | |
| CAPACITY Fill no higher than 1/4 inch to 9/16 inch below fill plug. | 5.5 | |
| Friction Modifier C8AZ-19B956-A | 4 |