Genuine Ford Fluid XY-80W90-QL SAE 80W-90 Premium Rear Axle Lubricant - 1 Quart Meets warranty requirements and is recommended for conventional and limited-slip differentials of passenger cars, light trucks, vans and buses Formulated for automotive use Use according to owner guide recommendations Recommended by Ford Motor Company Motorcraft SAE 80W-90 Premium Rear Axle Lubricant is an excellent multi-purpose extreme pressure lubricant