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

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

Up or Downstream O2 Oxygen Sensor for Porsche Boxster 1997-1999 2003 98660612601

2x Upstream or Downstream O2 Oxygen Sensors for Porsche Boxster 1997-1999 2003

A-Premium Upstream / Downstream O2 Oxygen Sensor for Porsche Boxster 2000-2003

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

Bosch 13806 Oxygen O2 Sensor for 1997-2003 Porsche Boxster DOWNSTREAM REAR

Set of 2 O2 Oxygen Sensor for Porsche Boxster 1997-99 H6 2.5L Up or Downstream