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

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

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

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

2pcs O2 02 Oxygen Sensor Upstream&Downstream Fits 1997-2003 Buick LeSabre 3.8L

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