{"product_id":"amvirtuo-altima-07-13-catalytic-converter","title":"AMVirtuo Catalytic Converter for Nissan Altima 2007-2013 2.5L | Vehicle-Specific Replacement Exhaust Manifold Replacement","description":"\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003ePrecision Fitment for Altima 2.5L (2007-2013)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis Nissan Altima catalytic converter is engineered as a direct replacement for the factory exhaust manifold assembly on 2007-2013 Altima models with the 2.5L QR25DE engine. Covers all sub-models — S, SV, SL, and SE — with both naturally aspirated and full hybrid variants.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eEliminates P0420 Check Engine Light\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe most common failure on high-mileage Altima 2.5L engines is catalyst efficiency degradation. This replacement resolves the P0420 \"Catalyst Efficiency Below Threshold\" code by restoring proper three-way catalytic conversion, clearing the check engine light and smoothing out rough idling.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eT409 Stainless Steel Shell with TIG Welding\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe outer shell uses T409 stainless steel for superior corrosion and high-temperature resistance. Every joint is TIG-welded for crack-free durability, and the removable oxygen sensor cover provides added installation flexibility around the O2 sensor location.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003ePrecious Metal Catalyst Coating\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe internal substrate is coated with a uniform layer of platinum, palladium, and rhodium — the three precious metals essential for efficient catalytic conversion of HC, CO, and NOx emissions. Consistent coating coverage maximises conversion performance and extends service life.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eEmissions Notice\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eIntended for federal-use applications where permitted. Not for vehicles registered in CA, ME, CO, or NY. Verify local emissions and inspection requirements before purchase. Cannot be sold for vehicles registered in California, Colorado, New York, or Maine. Confirm your local registration rules before purchasing.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThe Nissan Altima 2.5L is one of the best-selling midsize sedans in the U.S., and high-mileage examples commonly develop catalytic converter issues. If your 2007-2013 Altima is showing a P0420 code, running rough, or failing emissions, this Vehicle-specific design catalytic converter may help when the converter is confirmed as the failed component without the dealership markup.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis unit replaces the entire factory exhaust manifold converter assembly. The stainless steel shell holds up to daily driving and under-hood heat cycling far better than the original, and the TIG-welded seams eliminate the cracking problems that plague OE converters as they age. The removable O2 sensor cover simplifies installation, especially in the tight engine bay of the Altima.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eEverything you need is in the box — the converter assembly, exhaust manifold gasket, and mounting hardware. No special tools beyond a standard socket set are required, though professional installation is always recommended.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable style=\"margin: 15.0px 0.0px 15.0px 0.0px; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eVehicle\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eYears\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eNissan Altima\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2007-2013\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003e2.5L L4 DOHC (Naturally Aspirated \u0026amp; FHEV Hybrid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #7c1f0c;\"\u003e⚠️ \u003cb\u003eImportant Fitment Notes\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eEngine:\u003c\/b\u003e Fits 2.5L (2500cc \/ 152Cu. in.) L4 DOHC engines only — both naturally aspirated and Full Hybrid EV-Gas (FHEV) variants.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eNot Compatible With:\u003c\/b\u003e 3.5L V6 Altima models. This converter is designed exclusively for the QR25DE 2.5L four-cylinder.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eOE Reference Numbers:\u003c\/b\u003e 674-933, 140E2-ZX31E, 140E2-JA02E, 14002-JA91E, 12498616.\u003c\/p\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\u003cb\u003eEmissions Compliance:\u003c\/b\u003e Emissions Notice. Not legal for vehicles registered in CA, CO, NY, or ME.\u003c\/p\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable style=\"margin: 15.0px 0.0px 15.0px 0.0px; border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eSpecification\u003c\/td\u003e\n\u003ctd style=\"background-color: #1000d8; padding: 12.0px 15.0px; color: #ffffff; font-weight: bold; font-size: 12px;\"\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eConverter Type\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eVehicle-specific design Exhaust Manifold Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eShell Material\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eT409 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eWelding\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eTIG Welded (all seams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eCatalyst Coating\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003ePlatinum, Palladium, Rhodium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eSubstrate\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eCeramic honeycomb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eO2 Sensor Cover\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eRemovable (for installation flexibility)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eEmissions Standard\u003c\/td\u003e\n\u003ctd style=\"background-color: #f7f7f7; border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eEmissions Notice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eFitment\u003c\/td\u003e\n\u003ctd style=\"border-bottom: 1px solid #dfdfdf; padding: 10.0px 15.0px; font-size: 12px;\"\u003eDirect Replacement (bolt-on)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"margin: 0.0px 0.0px 15.0px 0.0px; font: 18.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eInstallation Notes\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003eThis converter is designed as a Vehicle-Specific Replacement Design, but the Altima engine bay has limited clearance. Professional installation is recommended:\u003c\/p\u003e\n\u003cul style=\"list-style-type: disc; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003ePre-Installation Check:\u003c\/b\u003e Inspect your exhaust system for leaks, check spark plugs and engine oil condition, and verify exhaust system backpressure before replacing the converter.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eO2 Sensor Inspection:\u003c\/b\u003e If you're getting a P0420 code, test your upstream and downstream O2 sensors first. A bad O2 sensor can mimic converter failure symptoms.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eHeat Shield Note:\u003c\/b\u003e The factory heat shield may need slight modification to fit the replacement unit.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eTorque Specifications:\u003c\/b\u003e Follow Nissan's factory torque specs for exhaust manifold bolts. Uneven torque can cause leaks at the gasket surface.\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e\n\u003cb\u003eCode Clearing:\u003c\/b\u003e After installation, clear the P0420 code with an OBD-II scanner. The catalyst readiness monitor will need 3-5 drive cycles to complete.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 0.0px 0.0px 12.0px 0.0px; font: 13.0px 'Helvetica Neue'; color: #262626; background-color: #fff5d0; padding: 10px;\"\u003e\u003cb\u003ePro Tip:\u003c\/b\u003e When installing the new converter, apply a thin bead of high-temperature copper silicone sealant to both sides of the exhaust manifold gasket. This adds an extra layer of insurance against leaks at the cylinder head connection.\u003c\/p\u003e\n\u003ch3 style=\"margin: 0.0px 0.0px 8.0px 0.0px; font: 14.0px 'Helvetica Neue'; color: #0e0e0e;\"\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; font: 13.0px 'Helvetica Neue'; color: #262626;\"\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e1x Catalytic Converter Assembly (with integrated exhaust manifold)\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e1x Exhaust Manifold Gasket\u003c\/li\u003e\n\u003cli style=\"margin: 0.0px 0.0px 6.0px 0.0px;\"\u003e1x Set of Mounting Accessories (bolts, hardware)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"AMVirtuo","offers":[{"title":"Default Title","offer_id":48176631775332,"sku":"AM-58278","price":83.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/1889\/8276\/files\/amvirtuo-catalytic-converter-for-nissan-altima-2007-2013-2-5l-208.jpg?v=1775999791","url":"https:\/\/avomotor.com\/products\/amvirtuo-altima-07-13-catalytic-converter","provider":"AMVirtuo MOTOR","version":"1.0","type":"link"}