Downstream or Upstream O2 Oxygen Sensor for Porsche Boxster 2000-2003 2.7L 3.2L

Downstream / Upstream O2 Oxygen Sensor for Porsche Boxster 2000-2003 2.7L 3.2L

Lambda O2 Oxygen Sensor 234-4186 For 2000-2002 Porsche Boxster 2.7L H6

New Upstream O2 Oxygen Sensor for 2003-2004 Porsche Boxster 2.7L 3.2L

Oxygen O2 Sensor for 2000-2003 Porsche Boxster 2.7L 3.2L Upstream or Downstream

New Oxygen O2 Sensor Upstream for 2003-2004 Porsche Boxster 2.7L 3.2L

Upstream Oxygen O2 Sensor For 2003 2004 Porsche Boxster H6 2.7L 3.2L 234-4920

OEM Upstream Oxygen O2 Sensor for 2003-2004 Porsche Boxster 2.7L 3.2L