Upstream Downstream Oxygen Sensor for Chevrolet for Trailblazer 2002-2003 for GMC for Envoy 2002-2003 for Isuzu for Ascender 2003 for Oldsmobile for Bravada 2002-2003, 234-4285 SG272 O2 Sensor
Fitment - - Heated Oxygen Sensor for Chevrolet for Trailblazer 2002-2003 for Chevrolet for Trailblazer EXT 2002-2003 for GMC for Envoy 2002-2003 for GMC for Envoy XL 2002-2003 for Isuzu for Ascender 2003 for Oldsmobile for Bravada 2002-2003
Excellent Quality - - AZHZ oxygen o2 sensor adopts high heat welding technology, with stronger sealing performance. Built-in heater accelerates ignition and improves fuel efficiency. Keep your engine at ideal operating temperature, improve engine performance and fuel economy. ATTENTION: Please compare your part picture with us, especially the PLUG, which must be identical. Otherwise it doesn't fit your car!
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