Lukoil Avantgarde Ultra 15W‑40 is a heavy‑duty engine oil built for diesel (and compatible petrol) engines working under tough conditions, like trucks, heavy equipment, or vehicles used in demanding work. It delivers strong protection against wear, corrosion, and high‑temperature stress, while helping keep the engine clean and prolonging its life. Its formula supports easy starts in varying climates and ensures stable performance even under heavy loads. A reliable choice when you need durability, long oil‑change intervals, and dependable engine protection.