Alpine TSN 10W-40 is a semi-synthetic high-performance low-friction engine oil of the SAE 10W-40 viscosity class whose base oil composition combines the advantages of basic oils of modern refining technology with those of synthetic components. Base oil composition and shear-stable VI improvers ensure that the indicated viscosity class is maintained over the entire lubrication time. The aging process of this engine oil is well managed at the maximum permissible oil residence times. Antioxidants and cleaning additives prevent deposits, keep pistons and valves clean and protect the engine against cold sludge. The low friction loss in the engine significantly reduces fuel consumption and emissions. Low evaporation loss prevents deposits in valves, sludging and laking, so that pistons and piston ring grooves are kept clean.
Alpine TSN 10W-40 is recommended for use in all passenger car engines (petrol or diesel) including models with diesel turbochargers and catalytic converters.