Ford Ranger 1990-1994 Catalytic Converter 4.0L V6

The function of the three-way catalysis is to take the toxic and harmful gases discharged from the engine into the three-way catalysis and contact the ceramic honeycomb rare metals. After reacting with the rare metals at high temperature, the harmful gases are converted into harmless gases. And water is discharged from the rear end. In fact, the three-way catalytic converter is an environmentally friendly device.