02 Oxygen O2 Sensor for 04-2005 Chevy Impala 3.8L Upstream and Downstream 2pcs

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

02 Oxygen O2 Sensor for 04-2005 Chevy Impala 3.8L Upstream and Downstream 2pcs

For 00-03 Chevy Impala 3.8L V6 O2 Oxygen 02 Sensor 2pcs Upstream&Downstream

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

For 04-05 Buick LeSabre Impala 3.8L O2 Oxygen Sensor 2pcs Upstream+Downstream