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

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

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

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

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

1x Upstream or Downstream O2 Oxygen Sensor for Porsche Boxster 2004 H6 2.7L 3.2L

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

A-Premium Upstream/Downstream O2 Oxygen Sensor for Porsche Boxster H6 2.7L 3.2L