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

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

02 Oxygen O2 Sensor for 2005-2009 Buick Allure LaCrosse 3.8L Upstream Front

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

02 Oxygen O2 Sensor for 2005-2009 Buick Allure LaCrosse 3.8L Upstream Front

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

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

02 O2 Oxygen Sensor Heated for 2005-2009 Buick LaCrosse Allure 3.8L Upstream