Converter

Catalytic converter, commonly shortened as converter, is a core exhaust emission control device installed on the exhaust pipeline of gasoline vehicles, motorcycles and light commercial vehicles. It acts as an efficient purification component that converts toxic exhaust pollutants into harmless gases through chemical catalysis. When engine exhaust passes through the internal carrier coated with precious metal catalysts, carbon monoxide, hydrocarbons and nitrogen oxides will complete oxidation and reduction reactions, turning into carbon dioxide, water vapor and nitrogen. As a mandatory environmental protection auto spare part, a qualified converter not only helps vehicles pass emission inspection smoothly, but also protects the engine oxygen sensor, eliminates abnormal exhaust odor and avoids vehicle power loss caused by exhaust blockage. Our factory supplies a full series of automotive and motorcycle catalytic converters for aftermarket replacement, modification and OEM matching, featuring high purification efficiency, long service life and stable flow performance.

The internal structure determines the core performance of the converter. The inner core adopts honeycomb ceramic carrier with dense uniform small holes, which greatly expands the contact area between exhaust gas and catalyst coating. We adopt three-way precious metal coating formula containing platinum, palladium and rhodium, with accurate proportion to guarantee excellent conversion rate under both low and high exhaust temperature. The outer shell is made of thickened high-temperature resistant stainless steel plate, formed by one-piece hydraulic stamping, effectively resisting deformation under engine high heat and road impact. Thick thermal insulation cotton is filled between the shell and the inner carrier, which isolates high temperature, reduces external heat radiation and prevents catalyst failure caused by overheating. The integrated stainless steel flanges and connecting pipes are precisely welded with seamless welding technology to avoid exhaust leakage, abnormal noise and power attenuation.

We classify converters into universal types and direct-fit types to meet different market demands. Universal catalytic converters are flexible for modification and refitting, with adjustable inlet and outlet pipe diameters, suitable for various modified vehicles and old cars with discontinued original parts. Direct-fit converters are manufactured strictly according to original vehicle data, with consistent hole positions, pipe length and installation radian as OEM parts. Customers can complete direct replacement without cutting, bending or secondary processing, greatly shortening maintenance time. For motorcycles and small-displacement equipment, mini compact converters are available, lightweight and easy to install without occupying extra chassis space. All pipe joints are equipped with matched gaskets and fixing clamps for complete one-set delivery.

Durability and anti-clogging performance are prominent advantages of our products. The stainless steel shell undergoes anti-rust polishing treatment to resist corrosion from rain, mud and road salt splashing. The high-adhesion catalyst coating will not peel off under long-term thermal cycling and frequent acceleration and deceleration. Every finished converter passes strict laboratory tests including exhaust conversion efficiency test, high-temperature vibration fatigue test, back pressure test and air tightness inspection. Products with excessive exhaust resistance, leakage or low purification rate will be eliminated before shipment, effectively solving common troubles such as vehicle weak acceleration, increased fuel consumption and failed emission test.

Our converters cover sedans, SUVs, pickup trucks, light trucks and all-displacement motorcycles, widely exported to Europe, Southeast Asia, North America and the Middle East. We support bulk wholesale, mixed container orders and customized services including laser logo marking, surface color treatment and special size production. With stable exhaust purification capacity, smooth air flow and reliable structural durability, our catalytic converters have become the preferred replacement part for auto repair shops, spare parts distributors and vehicle modification factories, balancing environmental compliance, engine protection and cost performance for global vehicle owners.