Eurol 10W40 4T Synthetic Oil 5-ltr Semi-synthetic engine oil for universal use Eurol Turbosyn 10W-40 is a semi-synthetic engine oil that can be used universally in petrol and diesel engines (in passenger cars and light commercial vehicles). This oil ensures a problem-free start, even at low temperatures, and provides an excellent lubricating film at high temperatures. Thanks to the additive package used, Eurol Turbosyn 10W-40 ensures trouble-free engine operation, while also saving fuel and limiting emissions. Due to its unique composition, evaporation losses are minimal. Eurol Turbosyn 10W-40 has excellent anti-wear, anti-foam and anti-corrosion properties. Together with its detergent and dispersing properties, this oil ensures a clean and reliable engine. Due to its resistance to high temperatures and oxidation, Eurol Turbosyn 10W-40 will retain its quality and not thicken.