The oil filter is located in the engine lubrication system. Its upstream is the oil pump, and downstream is the parts that need to be lubricated in the engine. Its function is to filter out harmful impurities in the oil from the oil pan, and supply the crankshaft, connecting rod, camshaft, supercharger, piston ring and other moving parts with clean oil to play the role of lubrication, cooling and cleaning. Thereby extending the life of these parts.

The working method of the oil filter:
1. Under normal circumstances, the various parts in the engine are lubricated by oil to achieve normal operation, but the metal chips and dust entered when the parts are running;
2. Carbon deposits oxidized at high temperatures and some water vapor will continue to be mixed into the oil, and the service life of the oil will be reduced over time, and it may affect the normal operation of the engine in severe cases;
3. At this time, the role of the oil filter is reflected. Simply put, the role of the oil filter is to filter most of the impurities in the oil, keep the standby oil clean, and extend its normal service life. It should have the performance of strong filtering capacity, low flow resistance and long service life.