Mustang V8-4.6L SOHC VIN X (2003)
Fluid - Differential: Fluid Type Specifications
Ford 7.5 Inch Ring Gear
Differential Fluid Type
Type .................................................................................................................................................................................... SAE 80W-90 rear axle lubricant
Ford 8.8 Inch Ring Gear/IRS
Differential Fluid Type
Type ..................................................................................................................................................... SAE 75W-140 High performance rear axle lubricant
