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:
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 |
| 2017-2022 | GMC | Sierra 3500 HD | SLE |
| 2017-2022 | GMC | Sierra 3500 HD | SLT |