Nilight Catalytic Converter for Nissan Altima 2.5L 2002 2003 2004 2005 2006, Custom Fit Cat (EPA Standard)

Nissan Altima Direct Fit Three-way Catalytic Converter EPA COMPLIANT Fitment: 2002 Nissan Altima 2.5L2003 Nissan Altima 2.5L2004 Nissan Altima 2.5L2005 Nissan Altima 2.5L2006 Nissan Altima 2.5L Not legal for sale or use in California and Colorado Consult your state’s aftermarket converter regulations for details How Do Three-way Catalytic Converters Work? A three-way catalytic converter has three simultaneous tasks: Reduction of nitrogen oxides to nitrogen and oxygen: 2NOx → xO2 + N2 Oxidation of carbon monoxide to carbon dioxide: 2CO + O2 → 2CO2 Oxidation of unburnt hydrocarbons (HC) to carbon dioxide and water: CxH2x+2 + [(3x+1)/2]O2 → xCO2 + (x+1)H2O Nilight’s Direct Fit Converters are engineered to meet your vehicle’s specific emissions requirements and most Come With the Replacement Gaskets at NO Additional Cost! Catalytic Converters are designed to last the life of your vehicle.

It is important to fix the source of the problem before replacing your OEM converter.