Compatibility: 2001-2004 Subaru Outback 3.0L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
?2PCS Upstream Fits for 2006 Kia Optima 2.7L O2 02 Oxygen Sensor Pre Cat
2pcs Upstream Fits for 1998 Toyota Avalon 3.0L Air Fuel Ratio O2 Oxygen Sensor
2pcs Upstream Fits 2005-2006 Suzuki XL-7 2.7L V6 02 Oxygen O2 Sensor 1
2PCS Upstream Fits for 2006 Mitsubishi Raider 3.7L O2 02 Oxygen Sensor Pre Cat
2pcs Upstream Fits 2004-05 Subaru Legacy 2.5L 02 Oxygen O2 Sensor Air Fuel Ratio
2pcs Upstream Fits 2007-13 Nissan Armada 5.6L 02 Oxygen O2 Sensor Air Fuel Ratio
