This Mobil 10W-30 Oil is an advanced full synthetic engine oil designed to keep your engine running like new. It provides exceptional wear protection, cleaning power and overall performance. Mobil high-mileage oil meets or exceeds the requirements of the industry's toughest standards and outperforms conventional oils. It helps to prevent deposits and sludge from building up in the engine. This helps to reduce stress on the systems starting components, resulting in a longer motor life. Mobil Synthetic Motor Oil, 5qt offers thermal and oxidation stability, as well as outstanding performance, during the time between oil changes. This oil also has excellent low-temperature capabilities and allows for quick cold-weather starting.