3pcs 2 Upstream+ 1 Downstream Oxygen Sensor for 1996-1997 Ford Explorer 4.0L

2pcs O2 02 Oxygen Sensor for 2001-2010 Ford Explorer 4.0L Upstream&Downstream

3pcs 2*Upstream 1*Downstream O2 02 Oxygen Sensor for 96-97 Ford Explorer V6 4.0L

Oxygen o2 02 Sensor Upstream for 2001-2003 Ford Explorer Sport 4.0L

Oxygen 02 O2 Sensor For 2006 Ford Explorer 4.0L Upstream & Downstream Set 2

3pcs Upstream&Downstream For 96-97 Ford Explorer 4.0L V6 O2 Oxygen 02 Sensor

3Pcs Oxygen O2 Sensor Upstream Downstream For 1995-2003 Ford Ranger V6 3.0L 4.0L

2pcs Upstream + 1pcs Downstream for 1997-00 Ford Ranger 4.0L Oxygen Sensor O2 02