What does engine oil A5B5 mean?

[MakaylaMarie]

A5B5 is one of the certification standards established by the European Union. 'A' denotes gasoline engines for passenger cars, while 'B' represents diesel engines for passenger cars. The numerical value indicates the quality grade of the engine oil. A5B5 belongs to the highest-grade mainstream lubricating oil, primarily designed for high-performance gasoline engines and light-duty diesel engines that utilize low-viscosity engine oils. Below are detailed introductions about it: 1. Introduction one: It offers excellent cooling and lubrication properties and stands out in terms of environmental performance. 2. Introduction two: In terms of the correspondence between ACEA and API, A5B5 engine oil is equivalent to the SL grade in the API quality classification. Currently, A5B5 engine oils include brands such as Shell Helix Ultra, Motul 8100, and JINJIXING.