When the oil filter element is not disassembled, its shelf life can be very long, even if it has been stored for several years, it can still be used. However, once the oil filter element is installed, the warranty period will be shortened to 5000 km or one year. Usually, when changing the oil, the oil filter element should also be replaced. "Why should the oil filter element be replaced?" The role of the oil filter element is not small. It should isolate oil impurities from the source, filter out oil sludge, iron filings and other impurities while ensuring the permeability of the oil, and ensure that the engine enters the engine
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