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

2pcs O2 02 Oxygen Sensor Upstream & Downstream Fits 06-2008 Buick Lucerne 3.8L

For 1997-03 Pontiac Grand Prix 3.8L Oxygen O2 Sensor 02 Upstream+Downstream 2pcs

Oxygen o2 02 Sensor Upstream for 1997-03 Buick LeSabre Pontiac Grand Prix 3.8L

For 2004-05 Buick LeSabre 3.8L Upstream and Downstream O2 02 Oxygen Sensor 2pcs

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