Nowadays, ordinary small cars are usually equipped with only one three-way catalyst, while cars with a displacement exceeding 2.5 may have one in the front and one in the back, or one row of three-way catalysts on each side. Experts from Borui Environmental Protection point out that low-priced three-way catalysts are often only produced by secondary factories or counterfeit products. Although these products appear to have a rich metallic honeycomb structure, they actually do not contain much platinum group metal. Subsidiary products may contain small amounts of precious metals, while counterfeit products may be entirely made of iron shells. It is obviously unreasonable to sell for a high price of several hundred yuan at the cost of an iron shell. Without a ternary catalyst made of platinum group metals, its catalytic effect will be greatly reduced, and harmful substances in the exhaust cannot be effectively converted, which poses a threat to the environment and the health of car owners.

In addition, three-way catalytic converters are usually located under the chassis of automobiles, with some models being welded and others being fixed with screws. This design makes it easy for thieves to succeed, so car owners need to be particularly vigilant. Especially domestic cars and cars with higher chassis are more likely to become targets for thieves. The platinum group metal content of such cars is often higher, and once stolen, the losses will be even more severe.

In addition, it is worth noting that the three-way catalytic converters of imported cars from abroad often have higher platinum group metal content than domestically produced cars due to following different standards, resulting in relatively higher prices. For car owners who drive imported cars from abroad, it is even more important to be extra careful and properly store this key component on the car. If you have any questions or need further explanation about this, please feel free to contact the expert team of Shaoguan Borui Environmental Protection at any time. In the following content, we will delve into how to properly maintain a three-way catalyst to ensure its optimal performance and longer service life.