2X Oxygen O2 Sensor 1 2 for GMC Envoy Envoy XL Chevrolet Trailblazer 2002 2003 Isuzu Ascender 2003 4.2L L6 Upstream Downstream

High-concerned chemical：None Type：Heating Type Repeatability：for 2002 2003 Oldsmobile Bravada 4.2L Hysteresis：Downstream, Upstream, Front, Rear Linear：2 * 4 Wires Measuring Range：for 2002 2003 Chevrolet Trailblazer EXT 4.2L Sensitivity：8125775880, 8245772730 Sensor Type：Piezoelectric Brand Name：oukeione Origin：Mainland China Resolution：234-4112, 234-4285

High-concerned chemical: None Type: Heating Type Repeatability: for 2002 2003 Oldsmobile Bravada 4.2L Hysteresis: Downstream, Upstream, Front, Rear Linear: 2 * 4 Wires Sensitivity: 8125775880, 8245772730 Sensor Type: Piezoelectric Brand Name: oukeione Origin: Mainland China Resolution: 234-4112, 234-4285