Motor oil is divided into the following three categories: 1. The “S” begins with gasoline engine oil.
For example: SA, SB, SC, SD, SE, SF, SG, etc.
2. “C” indicates diesel engine oil.
For example, CA, CB, CC, CD, CE, CF, and CF-2.
3. When the two letters “S” and “C” exist at the same time, it means that this oil is a universal type of steam and wood.
The meaning of the letter after S or C is: from “SA” to “SN”, each incremental letter, the environmental protection level of oil will be better than the previous one, the more the letter is the higher the environmental protection level, the international brand oil level is mostly SF level above, the current highest environmental protection level of oil is “SN” level.
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