Fit Vehicles: 2002-2003 Chevrolet Trailblazer 4.2L 2002-2003 Chevrolet Trailblazer EXT 4.2L 2002-2003 GMC Envoy 4.2L 2002-2003 GMC Envoy XL 4.2L 2003 Isuzu Ascender 4.2L 2002-2003 Oldsmobile Bravada 4.2L Features: Extensively Tested During Manufacture to Guarantee Quality and Reliability Supplied With a Factory-Fitted Connector for Easy Installation Precision manufactured with a sensing element incorporating premier technical ceramics Where are my oxygen sensors located? Diagnostic Trouble Codes (DTC) .
