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

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

2pcs for Buick Lucerne 04-2008 3.8L 1 Upstream & 1 Downstream Oxygen Sensor O2

2pcs Upstream+Downstream for 02-03 Impala 3.8L Trailblazer 4.2L Oxygen Sensor O2

O2 Oxygen 02 Sensor for 2001-04 Chevrolet Impala 3.4L Upstream + Downstream 2pcs