Compatibility: For 2003-2006 Infiniti FX35 3.5L For 2003-2008 Infiniti FX45 4.5L For 2003-2007 Infiniti G35 3.5L For 2006 Infiniti M35 3.5L For 2006-2010 Infiniti M45 4.5L For 2003-2006 Nissan 350Z 3.5L Benefits: 1.Dual Insulated Protective Cover Prevents premature zirconium sensor wear 2.Laser welded sensor body to keep out contaminants 3.Internal Ceramic Insulation for optimal sensor performance. 4.Sealed wire leads prevent moisture interference with electronic signal Q&A: Q1:Why the oxygen sensor important for your vhiche? .
