What are the 4 filters in a car?

1 Answers
EstherLynn
07/29/25 4:30pm
Car 4 filters refer to the car air filter, oil filter, fuel filter, and car cabin air filter. The functions of car 4 filters are respectively: 1. Oil filter: filters harmful impurities in the oil of the oil pan, playing the role of lubrication, cooling, and cleaning, extending the service life of components; 2. Air filter: filters harmful impurities in the air that is about to enter the cylinder, reducing early wear of the cylinder, piston, piston rings, valves and valve seats; 3. Cabin air filter: removes dust, impurities, smoke odor, and pollen in the air inside the compartment or entering the compartment, ensuring the health of passengers and preventing the windshield from fogging easily; 4. Fuel filter: filters out solid impurities contained in the fuel, protecting the fuel pump, fuel injector, cylinder liner and piston rings, reducing wear and avoiding clogging.
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