REV-1 Diesel Plus REVO 805N engine oil is truly a universal lubricant required for EPA 2007 compliant diesel engines equipped with after treatment devices such as diesel oxidation catalysts and particulate filters. It also meets the latest European ACEA standards and American API performance, CJ-4/SN. This means REV-1 Diesel Plus REVO 805N Diesel Engine Oil is simply the top player for both the modern North American engines and the top-tier European engines.