Compatibility: 2005-2007 Chevrolet Cobalt 2.0L 2005-2007 Saturn Ion 2.0L 2002 Saturn L100 2.2L 2002-2003 Saturn L200 2.2L 2004 Saturn L300 2.2L 2002-2003 Saturn LW200 2.2L 2002-2003 Saturn Vue 2.2L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .