For 2005-2007 Buick LaCrosse 3.8L Oxygen O2 Sensor 02 Upstream+Downstream 2pcs

2pcs Fits for 04-2007 Pontiac Grand Prix 3.8L O2 Oxygen Sensor Up & Downstream

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

2pcs Upstream Downstream O2 02 Oxygen Sensor for 2005-2007 Buick Allure 3.8L

?Set 2pcs Upper+Down Oxygen Sensor O2 Sensors for 08-09 Buick LaCrosse 3.8L

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

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