Intelligent molecules cling to metal surfaces giving extra protection against engine wearDiesel Particulate Filter compatible technology maintains engine efficiency and responsiveness Provides superior performance under extreme cold start-up conditions compared to thicker grades Excellent soot handling performance minimises oil thickening Exceeds the most demanding limits in latest industry standard diesel protection test Suitable 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 applications. Provide continuous protection for all driving conditions, styles and temperatures. Castrol MAGNATEC Diesel. Instant protection from the moment you start.