1, low-quality oil filter filter paper material is poor, it is difficult to achieve the requirements of the car engine filtration, and filter area is less than the original spare parts of the oil filter, filter performance is poor, short service life.
2, low-grade oil filter is often no bypass valve, the filter in the event of clogging, the engine will not get enough oil lubrication, serious lead to the engine timing teeth, burning tiles, or even scrapped.
3, low-quality oil filter does not turn off after the suppression of oil reflow function, the engine cold start when the mechanical wear increases, reducing engine life.
4, low-grade oil filter rubber seal material is poor, high temperature and high pressure ring deformation, resulting in can not be effective sealing, so that oil leakage.
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