The Valvoline Differential Oil is a full synthetic gear oil specifically designed for vehicles with SAE 75W-140 viscosity. This 1 qt. oil is GL-5 rated and manufactured in the United States by Valvoline. It is a high-quality lubricant formulated to provide excellent protection and performance for your vehicle's differential gears, ensuring smooth operation and longevity of the components. Ideal for automotive maintenance and repairs, this gear oil is a reliable choice for any mechanic or car enthusiast looking to keep their vehicle running smoothly.