HPT E41 L5P New ECM (*VIN Required*)
Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning by purchasing a brand-new E41 ECM from HP Tuners that's already upgraded for tuning and diagnostics.This Part Fits: Year Make Model Submodel 2021-2022 Chevrolet Silverado 2500 HD Custom 2017-2022 Chevrolet Silverado 2500 HD High Country 2017-2022 Chevrolet Silverado 2500 HD LT 2017-2022 Chevrolet Silverado 2500 HD LTZ 2017-2022 Chevrolet Silverado 2500 HD WT 2017-2022 Chevrolet Silverado 3500 HD High Country 2017-2022 Chevrolet Silverado 3500 HD LT 2017-2022 Chevrolet Silverado 3500 HD LTZ 2017-2022 Chevrolet Silverado 3500 HD WT 2020-2022 GMC Sierra 2500 HD AT4 2017-2021 GMC Sierra 2500 HD Base 2017-2022 GMC Sierra 2500 HD Denali 2022 GMC Sierra 2500 HD Pro 2017-2022 GMC Sierra 2500 HD SLE 2017-2022 GMC Sierra 2500 HD SLT 2020-2022 GMC Sierra 3500 HD AT4 2017-2021 GMC Sierra 3500 HD Base 2017-2022 GMC Sierra 3500 HD Denali 2022 GMC Sierra 3500 HD Pro 2017-