(6PCS Fuel Injectors. for Isuzu Ascender 4.2L 2003-2004. for Buick Rainer 4.2L 2004. for GMC Envoy 4.2L 2002-2004. 4) Perfect match for the original car. for Chevrolet Trailblazer 4.2L 2002-2004. The compatibility chart is for reference only, NOT 100% accurate.
