Castrol MAGNATEC Diesel DX 5W-40 is always ready to protect Intelligent molecules cling to metal surfaces giving extra protection against engine wea Diesel Particulate Filter compatible technology maintains engine efficiency and responsivenes Provides superior performance under extreme cold start-up conditions compared to thicker grade Excellent soot handling performance minimises oil thickenin Exceeds the most demanding limits in latest industry standard diesel protection tesSuitable for SUV, 4WD and most cars fitted with Diesel Particulate Filters, including Hyundai vehicles with DPF Are combined with synthetic technology to provide increased protection in high and low temperature applicationsProvide continuous protection for all driving conditions, styles and temperatures;