2014 Mazda 6 Heated Oxygen Sensor (rear) PE12-18-86Z
2014 Mazda 6 heated oxygen sensor (rear) is a used item with a 1 year warranty. This heated oxygen sensor (rear) is genuine and has part numbers PE12-18-86Z and PE121886Z. This Mazda part sells for $75. This item has the following note: 'Lower oxygen sensor.'