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
 
Product Features
  

         
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
         
Replace OE Number - - O2 oxygen sensor replacement SG 213-1148
         
Product specification - - 21.65in.; Wires: 4
         
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!
         
Non-Infringement Disclaimer for Auto Parts Sales - - Please note that all mentions of brand names and models are for compatibility purposes only and do not imply any association with or endorsement by the original manufacturer