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

Upstream and Downstream Heated O2 Oxygen Sensor Compatible with Buick

2PCS O2 Oxygen Sensor Upstream Downstream Replacement for Buick Encore 1.4L,

2pcs Fits for 2008-2009 Buick LaCrosse 3.8L Oxygen Sensor Upstream & Downstream

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

?2pcs Upstream & Downstream For 04-2007 Pontiac Grand Prix 3.8L O2 Oxygen Sensor

2pcs for 2011 Buick LaCrosse 3.6L Upstream Downstream Oxygen Sensor O2 02

2pcs Upstream/Front/Upper 02 O2 Oxygen Sensor For 98-00 Pontiac Firebird 3.8L