Upstream+Downstream O2 Oxygen Sensor For 2004-2005 Chevy Trailblazer/GMC Canyon

Set of 2 Oxygen O2 Sensors For 2004 2005 Chevrolet Trailblazer 4.2L L6 234-4119

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2pcs for 2004-2005 GMC Canyon 2.8L 3.5L Upstream Downstream Oxygen Sensor O2