Mobil 1 Full Synthetic Motor Oil, 5W-20 Advanced, is a specially formulated synthetic oil designed to keep your engine running like new. It does this by providing exceptional wear protection, cleaning power and overall performance. The oil helps to reduce deposits and sludge to protect your engine and give it a longer-lasting life. This Mobil 1 Synthetic Motor Oil , 5-Quart, is designed to protect the parts in high-mileage engines. It also contains a seal conditioner to keep the engine seals in optimal condition and to prevent leaks. With excellent lubrication properties, this product can be used in passenger cars, SUVs, light vans and trucks.