This Stainless Steel Front Catalytic Converter from YITAMOTOR is compatible with the 2007-2013 Nissan Altima 2.5L.certifications:OBD-II , Federal EPA , Non-CARB, material:Stainless steel, restricted states:California, new york, colorado, maine, fitment type:Direct replacement, connection type:3 Bolt, 5 Bolt Welded Flange, inlet type:Single (5-bolt welded flange), outlet type:Single (3-bolt welded flange), dimensions:18.75 in. overall length, oxygen sensor location:Post-catalyst, substrate:Ceramic, oxygen sensor ports:Yes, placement on vehicle:Front, interchange part number:12498616,674-933,72594,18258,40800, other part number:327-50268,327-50639,140e2zx31e,140e2ja02e, manufacturer part number:F09o09001, warranty:5 years or 50,000 miles limited