4pcs Upstream + Downstream for 2008-2009 Pontiac G8 6.0L Oxygen Sensor O2 02

For 08-2009 Pontiac G8 6.0L O2 02 Oxygen Sensor Heated 4pcs Upstream Downstream

O2 Oxygen 02 Sensor for 2008-2009 Pontiac G8 6.0L Upstream + Downstream 4pcs

For 2009 Pontiac G8 6.0L 6.2L 4pcs Upstream Downstream Oxygen O2 02 Sensor

4pcs Upstream & Downstream for 2001 2002 GMC Yukon 6.0L Oxygen Sensor O2 02

4pcs Upstream+Downstream O2 02 Oxygen Sensor for 2008-2009 Pontiac G8 6.0L

4pcs Upstream&Downstream For 2004-2006 Pontiac GTO 6.0L Oxygen 02 O2 Sensor

4pcs Upstream & Downstream for 2001 2002 GMC Yukon 6.0L Oxygen Sensor O2 02