An oil filter such as the Hyundai oil filter serves a very important function in the maintenance of optimal engine performance. An oil filter screens out any dirt or impurities that can get mixed up with the oil as it circulates the engine system. Basically, an oil filter is comprised of a paper filtering medium, a porous canister and a metal or plastic housing with pressure valves. The paper filtering medium is folded several times to maximize its surface area. By having greater surface area, it becomes more efficient in trapping and screening out impurities from the oil. Impurities may come in the form of moisture, rust, debris and dust that may accidentally be mixed up with the oil.

Impurities may also be picked up by the engine oil as byproducts of combustion. Hydrocarbon residues typically accumulate on the internal walls of the combustion chambers, especially if combustion is incomplete. Incomplete combustion may result from the imbalance ratio of fuel and air. Incomplete combustion may also result from the presence of impurities in the fuel or in the engine oil. Hence, it is very critical that the oil and fuel be thoroughly filtered before they are allowed to enter the engine. Engine oil is comparable to the blood that circulates the body. Like blood, the engine oil picks up the dirt that accumulates as byproducts of combustion.

Engine oil also helps in regulating the temperature of the engine by absorbing some of the heat generated by the combustion of fuel. This prevents the overheating and expansion of the internal moving parts of the engine. If the engine oil is not thoroughly filtered, it will be less efficient in lubricating and cleaning the internal parts of the engine. Dirty oil will only contribute to the further deterioration of the engine by depositing more dirt on the engine interior. Dirt can clog the pistons and valves of the engine, slowing the engine's function. Consequently, fuel energy will not be optimized.

Oil circulation begins in the oil tank. Oil is drawn out by the oil pump from the oil tank. The oil pump is a simple centrifugal pump driven by one of the camshafts. The oil pimp has vanes that create partial vacuum when they are rotating. This partial vacuum allows the engine oil to be drawn by the oil pump. Then, the engine oil flows through the oil filter to remove contaminants. Solid contaminants are trapped by the paper filtering medium; while the liquid impurities are absorbed by the fibers of the filtering medium. Then the oil enters the engine to lubricate its internal parts before finally returning to the oil tank. Parts Train is the only online automotive store that offers the best aftermarket automotive parts, including oil filters.
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