APDTY 785760 Exhaust Manifold Catalytic Converter Assembly w/Gaskets, & Downspout Hardware Fits 2002-2004 Nissan Altima w/2.5L (4-Cylinder) / 2002-2005 Nissan Sentra w/2.5L (4-Cylinder) (Replaces Nissan 14002-8J008, 14002-9J305, 14002-9J360) Stainless Steel Design For Long Rust Free Life Complete Kit Includes Needed Gaskets & Downspout Hardware Solves PO420 DTC Diagnostic Trouble Code From A Failed Converter Meets or Exceeds OEM Specifications