This EPA Approved OBD2 Catalytic Converter from YITAMOTOR is compatible with the 2007-2012 Nissan Versa 1.8L.certifications:OBD-II , Federal EPA , Non-CARB, material:Stainless steel, restricted states:California, New York, Colorado , Maine, fitment type:Direct replacement, outlet connection type:2 bolt flange, inlet connection type:2 bolt welded flanges, oxygen sensor location:Post catalytic converter, oxygen sensor ports:1, substrate:Ceramic, interchange part number:53794, 17146, warranty:5 years or 50,000 miles limited