Downstream for 2008-2009 Buick Allure LaCrosse 3.8L Oxygen O2 02 Sensor

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

For 2008-2009 Buick Allure 3.8L Upstream and Downstream O2 02 Oxygen Sensor 2pcs

O2 Oxygen 02 Sensor For 2008-2009 Buick LaCrosse 3.8L Upstream+Downstream X2

2pcs Oxygen Sensor O2 02 for 2008 Pontiac Grand Prix 3.8L Upstream & Downstream

2pcs Upstream Downstream O2 02 Oxygen Sensor for 2005-2007 Buick Allure 3.8L V6

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

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