Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24507. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 1999-2004 Jeep Grand Cherokee 4.0L. MagnaFlow 24507 interchanges with OE parts 5205 9466AA, 5208 0356AA, 5208 0356AB, 5208 0356AC, 5210 1091AB, 5210 1236AA, 5210 1236AB, 5210 1236AC, 5210 1242AA, 5210 1242AB, 5210 1242AC, 5210 1311AA, 5210 1311AB, 5210 1311AC. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.