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

Downstream Rear For 2005-2007 Buick LaCrosse 3.8L V6 Oxygen O2 02 Sensor 2

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

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

Fit For 2005-2009 Buick Allure LaCrosse 3.8L O2 Oxygen Upstream Sensor 234-4668

For 2005-2007 Buick LaCrosse 3.8L 2 Pcs Downstream Upstream Oxygen O2 Sensor

Upstream for 2008-2009 Buick LaCrosse Allure 3.8L Oxygen 02 Sensor Fits 234-4103

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