System Specifications

Rear Axle Fluid
Motorcraft SAE 80W-90 Premium Rear Axle Lubricant

Ford P/N XY-80W90-QL
Ford Specification WSP-M2C197-A

NOTE: Rear axles are considered lubricated for life when the vehicle is used for normal service. For severe duty requirements, see Exceptions and / or Special Operating Conditions in scheduled maintenance information.