Fluid - Differential

7.5 Inch Premium Rear Axle Lubricant XY-80W90-QL or -KL (WSP-M2CI 97-A)

8.8 Inch Premium Rear Axle Lubricant XY-80W90-QL or -KL (WSP-M2CI 97-A)

NOTE: All conventional axles use Motorcraft Premium Rear Axle Lubricant XY-80W90-QL or -KL or equivalent meeting Ford specification WSP-M2C1 97-A.

Traction-Lok axles Ford Friction Modifier F3TZ-19B546-MA or equivalent meeting Ford specification WSP-M2C1 96-A.