The low-quality miscellaneous brand oil filters on the market, which seem to have a high cost performance ratio, actually have endless hidden dangers. Long term use can cause irreversible damage to the engine.

Firstly, the filtration accuracy does not meet the standard. Poor quality machine filter materials are rough and have large pores, which cannot intercept fine metal debris. Impurities continue to wear down the cylinder wall and crankshaft bearings, leading to increased engine clearance and oil burning faults.
Secondly, due to insufficient dirt capacity, the filter element may become clogged after short-term use, resulting in poor oil circulation and localized oil shortage and dry wear of the engine, exacerbating component wear.
Thirdly, the quality of the bypass valve is poor, which can easily lead to problems such as jamming and malfunction. It cannot be opened normally during cold start or when the filter element is clogged, directly causing the engine to lock up due to lack of oil.
Fourthly, if the sealing performance does not meet the standard and the sealing ring material is of poor quality, it is easy to cause oil leakage and seepage problems, leading to oil loss and serious engine dust accumulation.
Fifth, the filter material is prone to falling off and rotting. Poor quality filter paper is not resistant to high temperatures and corrosion, and long-term high-temperature work can cause it to break and fall off, block the oil circuit, and trigger engine malfunction lights and sudden power drops. When maintaining a car, it is important to avoid sacrificing big for small gains. The machine filter must be selected from reputable and high-quality products.

Choosing an oil filter does not require blindly looking at the brand, mastering the core judgment criteria can easily select high-quality products. Firstly, let's look at the filter material. High quality machine filters use high-density fiberglass composite filter paper or high-quality resin impregnated paper filter material. The fibers are fine and uniform, with strong toughness, high temperature and corrosion resistance. The filtration accuracy can reach 20-40 microns, with a large number of folds, a large filtration area, and strong pollutant holding capacity; Poor quality filter materials are sparse and thin, and are prone to deformation and damage. Next, let's look at the structural craftsmanship. The high-quality filter housing is sturdy, has strong compression resistance, and will not deform under high-pressure oil impact; The internal rubber ring is tightly sealed, without gaps or burrs, eliminating the hidden danger of oil leakage; The wall thickness of the central tube is uniform, with good support to prevent the collapse of the filter material. Furthermore, looking at the design of the bypass valve, high-quality bypass valves have precise opening and closing, high sensitivity, and pressure thresholds that are compatible with the original factory standards of the vehicle. They can filter normally and ensure oil circulation in emergency situations. Finally, let's look at the parameter matching. The high-quality filter flow rate, pressure, and pollutant capacity are fully adapted to the engine parameters of the vehicle model, and there will be no problems of insufficient fuel supply or excessive filtration. Adaptability is the basic prerequisite.