Upstream or Downstream O2 Oxygen Sensor for Porsche Boxster 2004 H6 2.7L H6 3.2L

O2 Oxygen Sensor for Porsche Boxster 1997-2003 H6 2.5L 3.2L 4 Wires Downstream

Lambda O2 Oxygen Sensor 234-4474 For 2016 Porsche Boxster 3.8L H6

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

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

Lambda O2 Oxygen Sensor 234-4271 Fits 2000-2002 Porsche Boxster 3.2L H6

Upstream or Downstream O2 Oxygen Sensor for Porsche Boxster 97-99 2.5L 2003 3.2L

Lambda O2 Oxygen Sensor 15183 For 2001-2003 Porsche Boxster S 3.2L