Fluid - Differential

Ford 7.5-Inch Ring Gear

Premium Rear Axle Lubricant XY-80W90-QL
Specification WSP-M2C197-A

Additive Friction Modifier C8AZ-19B546-A
Specification EST-M2C118-A

Ford 8.8-Inch Ring Gear & Ford 8.8-Inch IRS

High Performance Rear Axle Lubricant SAE 75W140
Specification WSL-M2C192-A

Additive Friction Modifier C8AZ-19B546-A
Specification EST-M2C118-A