ROADFAR Downstream Replacement 2002 2003 Trailblazer Review

FIT VEHICLES - 1997 for Buick Park Avenue 3.8L, 1997 for Buick Regal 3.8L, 1997 for Buick Riviera 3.8L, 1997 for Chevrolet Lumina 3.1L, 1997 for Chevrolet Lumina 3.4L, 1997 for Chevrolet Monte Carlo 3.4L, 2002-2003 for Chevrolet Trailblazer 4.2L, 2002-2003 for Chevrolet Trailblazer EXT 4.2L, 2002-2003 for GMC Envoy XL 4.2L, 2003 for Isuzu Ascender 4.2L, 1997 for Oldsmobile 88 3.8L, 2002-2003 for Oldsmobile Bravada 4.2L, 1997 for Pontiac Grand Prix 3.1L, 1997 for Pontiac Grand Prix 3.8L. OE Number - 1A234-4112 3AES20002. FEATURES: Meet the professtional specification as OEM parts, for stable performance durable. EASILY INSTALL- Great performance and easy to installation. ATTENTION - Front and rear oxygen sensors are different do please confirm up and down in the description. Please contact us if any issues of fitment. use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing.