What is the SP grade?

1 Answers
EmmettMarie
07/30/25 2:09am
Oil SP represents the oil quality grade. Here is more information about engine oil: Main causes of oil burning: Low oil quality grade leads to increased wear; Oil viscosity being too low or too high causes poor engine lubrication, increasing wear on piston rings and cylinder walls, and reducing sealing performance. Types: Engine oil is divided into three types: full synthetic oil, semi-synthetic oil, and mineral oil. Oil model: On the packaging of engine oil, there are labels such as 5w30, 0w20, 5w40, which indicate the oil model. The 'w' stands for winter, meaning the oil can be used in winter if it has the letter 'w'.
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