What is the function of replacing the oil filter?

1 Answers
DiSimon
07/28/25 6:48pm
The function of the oil filter is to remove impurities, gum, and moisture from the engine oil, delivering clean oil to various lubrication points. The following are the benefits of replacing the oil filter: 1. To reduce the frictional resistance between moving parts in the engine and minimize component wear, clean oil is continuously delivered to the friction surfaces of moving parts, forming a lubricating oil film for effective lubrication. 2. To filter out impurities, gum, and moisture from the oil. Engine oil inherently contains a certain amount of gum, impurities, moisture, and additives. During engine operation, metal wear particles, airborne contaminants, and oxidation byproducts can accumulate in the oil. If the oil is not filtered before entering the lubrication circuit, these contaminants can reach the friction surfaces of moving parts, accelerating wear and reducing the engine's lifespan.
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