Choosing oil filters does not require blindly following big brands, mastering the six core judgment criteria, and ordinary people can easily choose high-quality and adaptable filters.

The first thing to consider is the filter material. High quality machine filters use resin impregnated thickened filter paper or fiberglass composite filter material, with fine and uniform fibers, full toughness, high temperature resistance, corrosion resistance, and resistance to deformation. The filtration accuracy can reach 20-40 microns, with sufficient wrinkles, large filtration area, and strong pollutant holding capacity.
Secondly, let's take a look at the shell technology. High quality machine filters are made of thickened cold-rolled steel plates. The shell is sturdy, flat, without burrs or deformation, and has strong compressive strength. It will not bulge or break under high-pressure oil impact.
The third thing to consider is the sealing accessories. The genuine machine filter is equipped with high elasticity and oil resistant rubber rings, with uniform thickness and high adhesion. It is not easy to harden and age under high temperature for a long time, eliminating the hidden danger of oil leakage.
The fourth aspect is the internal structure. The central support tube has a uniform wall thickness and good support, which can prevent the filter material from collapsing under pressure. The internal workmanship is neat, without broken materials or defects.
Fifth, look at safety valves. High quality bypass valves and check valves have sensitive opening and closing, accurate pressure thresholds that are compatible with original factory standards, and stable and reliable emergency protection functions.
The sixth consideration is parameter adaptation. The flow rate, pressure, and adaptation range of high-quality filters are perfectly matched with the engine parameters of the vehicle model, and there will be no problems such as insufficient fuel supply or abnormal filtration. By selecting based on the above standards, it is possible to avoid inferior products and accurately match the needs of the car.