What does api mean in oil
1. What does API GL mean? API stands for Americam Petroleum Industry and GL stands for Gear Lubricant, see below for their definitions: API GL-1 Straight mineral oil. API GL-2 Mild EP for worm gear oils. API GL-3 Mild EP for spur and spiral bevel gears in axles and transmissions. API GL-4 Medium EP, moderate severity hypoid gears, manual gearboxes. For an oil targeted at Euro cars/engines, the whole API SL/SN discussion is a moot point typically. For example, GC meets MB 229.5 spec. If one were to look at the lubrizol comparison tool linked above, MB 229.5 spec requirements outclass both API SL as well as SN in a number of performance categories by a long shot. Looking for the definition of API? Find out what is the full meaning of API on Abbreviations.com! 'Academic Performance Index' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource.