Compatibility: 1994-1997 Honda Accord 2.2L 1998-2002 Honda Accord 2.3L 2000-2001 Honda Insight 1.0L 1999-2004 Land Rover Discovery All 2002-2004 Land Rover Freelander All 1999-2002 Land Rover Range Rover All Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .