Compatibility: 2002 Infiniti G20 2.0L 2002-2004 Infiniti I35 3.5L 2001 Nissan Altima 2.4L 2002-2004 Nissan Altima 3.5L 2002-2004 Nissan Frontier 2.4L 2002-2003 Nissan Maxima 3.5L 2001 Nissan Sentra 1.8L 2002-2004 Nissan Xterra 2.4L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
