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

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

For 1996-2003 Buick LeSabre 3.8L o2 02 Oxygen Sensor 2 Downstream Post cat

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

2X Oxygen Sensor O2 02 Upstream Downstream For 2004-2005 Chevy Monte Carlo 3.8L

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

Fits 1997-03 Pontiac Grand Prix 3.8L Upstream Downstream o2 Oxygen 02 Sensor X2