System Specifications
REAR AXLE
Motorcraft SAE 80W-90 Premium Rear Axle Lubricant
Ford P/N XY-80W90-QL
Ford Specification WSP-M2C197-A
NOTE: Vehicles exposed for prolonged periods to temperatures less than 40° C (-40° F) should change out the rear axle fluid to Motorcraft SAE 75W-140 High Performance Rear Axle Lubricant, Ford part number XY-75W140QL meeting Ford specification WSL-M2C192A.