Auto part for Direct fit exhaust Catalytic Converter for Ford Explorer 4.0L

The three-way catalytic converter is a catalytic converter that can simultaneously purify three types of pollutants: hydrocarbons, carbon monoxide, and nitrogen oxides in automobile exhaust. It consists of a metal shell, a mesh bottom frame and a catalytic layer (containing precious metals such as platinum and rhodium), which can remove three main pollutants: HC (hydrocarbons), CO (carbon monoxide) and NOx (nitrogen oxides). 90% (the so-called ternary refers to the chemical reaction that occurs when these three compounds are removed).