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

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

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