2X for 2005-2007 Buick LaCrosse 3.8L Oxygen 02 o2 Sensor Upstream Downstream

2pcs Upstream & Downstream Fits 08-2009 Buick LaCrosse 3.8L 02 Oxygen O2 Sensor

2X for 2005-2007 Buick LaCrosse 3.8L Oxygen 02 o2 Sensor Upstream Downstream

2pcs Upstream & Downstream Fits 08-2009 Buick LaCrosse 3.8L 02 Oxygen O2 Sensor

2X for 2005-2007 Buick LaCrosse 3.8L Oxygen 02 o2 Sensor Upstream Downstream

2 set Upstream & Downstream O2 02 Oxygen Sensor For 08-2009 Buick LaCrosse 3.8L

for 2008-2009 Buick LaCrosse 3.8L O2 Oxygen 02 Sensor Upstream + Downstream 2pcs

O2 Oxygen 02 Sensor for 2008-2009 Buick LaCrosse 3.8L Upstream + Downstream 2pcs