XTeer G500 SL 15W-40 4L is a premium, multi-grade engine oil formulated for modern gasoline engines. With its 15W-40 viscosity, it provides excellent protection against wear, oxidation, and sludge buildup, ensuring smooth engine performance in both high and low temperatures. This oil helps improve engine efficiency, extend engine life, and reduce the risk of deposits and corrosion. The 4-liter packaging is ideal for larger oil changes, offering reliable protection and performance over extended service intervals. Perfect for drivers seeking dependable and high-quality lubrication for their engine.