Prestone Power Steering Fluid is formulated with high-quality oil and fortified with additives to stop pump squealing, prevent wear, and protect seals, maintaining smooth power-steering operation. Compatible with factory fluids, it meets service requirements of GM, Ford, Chrysler and many global manufacturers. This formula contains several key ingredients to ensure smooth system operation: anti-wear agents to protect pump components; antioxidants to prevent sludge formation; seal conditioners to protect and rejuvenate seals; anti-foam agents to prevent pump cavitation and steering loss; corrosion inhibitors to protect metal components; and pour point depressants for good steering even in low temperatures.