Exhaust Manifold Front Catalytic Converter 2.5L Gaskets Fits Nissan Altima Hdwre New Exhaust Manifold Catalytic Converter & Includes Free Gasket and Bolts Fits Nissan Altima 2.5L2002 - 2003 - 2004 - 2005 - 2012 Includes everything in the photos. Please compare your parts to ensure exact fitment. Not certified for sale in California but will pass CA smog. NOTE: This Manifold also includes a plug for the reason That some manifolds only use one sensor. This is used to plug the other hole. Replaces Dorman Part Number: 674-659, OE Part Numbers:140028J008 140029J360 140029J305