2pcs for 1998-2000 Ford F-150 4.2L Upstream Downstream Oxygen Sensor O2 02

2Pcs Upstream O2 Oxygen Sensor for Ford F-150 Explorer Escape Lincoln Mercury

2pcs Upstream Downstream For 2001-2004 Ford Escape 2.0L O2 02 Oxygen Sensor

2Pcs O2 Oxygen Sensor for Ford Escape 2011-2012 L4 2.5L Upstream and Downstream

2pcs Oxygen O2 Sensor Upstream+Downstream For 2005-2002 Chevy Cavalier L4-2.2L

2pcs Upstream Downstream O2 02 Oxygen Sensor for 2001-2004 Ford Escape 2.0L

2Pcs O2 Oxygen Sensor Upstream& Downstream For 2010-2009 Ford Escape Flex Fusion

2Pcs O2 Oxygen Sensor For Ford Escape 2011-2012 L4 2.5L Upstream and Downstream