Petrol Ofisi Supersarj SAE-10 (15 kg) is a premium seasonal motor oil designed for diesel engines in heavy-duty vehicles. With its high viscosity index and the use of top-quality base oils and additives, it provides excellent protection against corrosion, rust, and wear, especially when using high-sulfur fuels. Supersarj SAE-10 minimizes deposit formation, reduces friction, and maintains fluidity at low temperatures, enhancing combustion efficiency and keeping the engine in optimal condition.