For 1996-1997 Ford Explorer 4.0L Oxygen O2 Sensor 02 Upstream+Downstream 3pcs

O2 Oxygen 02 Sensor for 2004-10 Ford Explorer 4.0L 4.6L Upstream Downstream 4pcs

3pcs For 1996 Ford F-150 F-250 Explorer 02 O2 Oxygen Sensor Upstream&Downstream

For 2004-2005 Ford Explorer 4.0L Oxygen o2 02 Sensor 2pcs Upstream + Downstream

Upstream+Downstream for 2004-2005 Ford Explorer 4.0L Oxygen o2 02 Sensor 2pcs

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

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

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