【16 AWG Copper Wire】: The fuel injector connector harness uses 16 AWG copper wire, 43 centimeters long, antioxidant, corrosion-resistant, and has good conductivity. And the wire has high temperature resistance performance. It is a good replacement. 【Compatible with】: GMC L5P Duramax Diesel V8 6.6L 2017-2022; GMC Canyon L5P Duramax Diesel V8 6.6L 2020-2021; GMC Savana 6.6L L5P Duramax Diesel V8 6.6L 2020-2021; GMC Seirra 2500 HD L5P Duramax Diesel V8 6.6L 2017-2018; Express L5P Duramax Diesel V8 6.6L 2020-2021; Chevy Silverado 2500HD L5P Duramax Diesel V8 6.6L 2020; Chevy Silverado 3500HD L5P Duramax Diesel V8 6.6L 2020-2022; Chevy Colorado L5P Duramax Diesel V8 6.6L 2020-2021. 【Replace Part Number】: PT3739,19368140, 1928405527 【Replace the Harness】：The feul injector harness can effectively clear P203 and P207 codes, and it can significantly increase the power output of the engine and reduce fuel consumption. 【Package Included】: 2* fuel injector connector; 4* heat shrink tubes. Reliable Material: The injector connector harness uses 16 AWG copper wire, 43 centimeters long, antioxidant, corrosion-resistant, and has good conductivity. And the wire has high temperature resistance performance. It is a good replacement.