Get your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax ready for tuning with HP Tuners E41 ECM Upgrade service. Upgrade your original E41 ECM for tuning and diagnostics via this send-in, one-time service. Simply send HP Tuners your original E41 ECM and we'll upgrade it 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 |
- 2017-chevrolet-silverado-2500-hd-high-country-esi3854097
- 2017-chevrolet-silverado-2500-hd-lt-esi4535086
- 2017-chevrolet-silverado-2500-hd-ltz-esi1108686
- 2017-chevrolet-silverado-2500-hd-wt-esi9001984
- 2017-chevrolet-silverado-3500-hd-high-country-esi2379455
- 2017-chevrolet-silverado-3500-hd-lt-esi8240817
- 2017-chevrolet-silverado-3500-hd-ltz-esi9664529
- 2017-chevrolet-silverado-3500-hd-wt-esi6077665
- 2017-gmc-sierra-2500-hd-base-esi1870994
- 2017-gmc-sierra-2500-hd-denali-esi5443971
- 2017-gmc-sierra-2500-hd-sle-esi4274041
- 2017-gmc-sierra-2500-hd-slt-esi4533843
- 2017-gmc-sierra-3500-hd-base-esi6034696
- 2017-gmc-sierra-3500-hd-denali-esi1575732
- 2017-gmc-sierra-3500-hd-sle-esi4657458
- 2017-gmc-sierra-3500-hd-slt-esi1027861
- 2018-chevrolet-silverado-2500-hd-high-country-esi8275027
- 2018-chevrolet-silverado-2500-hd-lt-esi3768064
- 2018-chevrolet-silverado-2500-hd-ltz-esi3859554
- 2018-chevrolet-silverado-2500-hd-wt-esi6609487
- 2018-chevrolet-silverado-3500-hd-high-country-esi6167424
- 2018-chevrolet-silverado-3500-hd-lt-esi4615412
- 2018-chevrolet-silverado-3500-hd-ltz-esi2270302
- 2018-chevrolet-silverado-3500-hd-wt-esi7137729
- 2018-gmc-sierra-2500-hd-base-esi5093919
- 2018-gmc-sierra-2500-hd-denali-esi5343015
- 2018-gmc-sierra-2500-hd-sle-esi1752826
- 2018-gmc-sierra-2500-hd-slt-esi9473840
- 2018-gmc-sierra-3500-hd-base-esi9482287
- 2018-gmc-sierra-3500-hd-denali-esi1366538
- 2018-gmc-sierra-3500-hd-sle-esi8932916
- 2018-gmc-sierra-3500-hd-slt-esi9311664
- 2019-chevrolet-silverado-2500-hd-high-country-esi8733747
- 2019-chevrolet-silverado-2500-hd-lt-esi8592064
- 2019-chevrolet-silverado-2500-hd-ltz-esi4409007
- 2019-chevrolet-silverado-2500-hd-wt-esi5042235
- 2019-chevrolet-silverado-3500-hd-high-country-esi4320274
- 2019-chevrolet-silverado-3500-hd-lt-esi3220318
- 2019-chevrolet-silverado-3500-hd-ltz-esi4499707
- 2019-chevrolet-silverado-3500-hd-wt-esi1027415
- 2019-gmc-sierra-2500-hd-base-esi1949064
- 2019-gmc-sierra-2500-hd-denali-esi5946138
- 2019-gmc-sierra-2500-hd-sle-esi9752337
- 2019-gmc-sierra-2500-hd-slt-esi3099237
- 2019-gmc-sierra-3500-hd-base-esi1070561
- 2019-gmc-sierra-3500-hd-denali-esi9891118
- 2019-gmc-sierra-3500-hd-sle-esi3221590
- 2019-gmc-sierra-3500-hd-slt-esi4657146
- 2020-chevrolet-silverado-2500-hd-high-country-esi1686951
- 2020-chevrolet-silverado-2500-hd-lt-esi5579039
- 2020-chevrolet-silverado-2500-hd-ltz-esi7083411
- 2020-chevrolet-silverado-2500-hd-wt-esi6991357
- 2020-chevrolet-silverado-3500-hd-high-country-esi1445497
- 2020-chevrolet-silverado-3500-hd-lt-esi5006907
- 2020-chevrolet-silverado-3500-hd-ltz-esi9740545
- 2020-chevrolet-silverado-3500-hd-wt-esi6365461
- 2020-gmc-sierra-2500-hd-at4-esi5944821
- 2020-gmc-sierra-2500-hd-base-esi1982314
- 2020-gmc-sierra-2500-hd-denali-esi6071552
- 2020-gmc-sierra-2500-hd-sle-esi2950296
- 2020-gmc-sierra-2500-hd-slt-esi4145185
- 2020-gmc-sierra-3500-hd-at4-esi9010749
- 2020-gmc-sierra-3500-hd-base-esi6663293
- 2020-gmc-sierra-3500-hd-denali-esi2546388
- 2020-gmc-sierra-3500-hd-sle-esi4903660
- 2020-gmc-sierra-3500-hd-slt-esi4605670
- 2021-chevrolet-silverado-2500-hd-custom-esi9335204
- 2021-chevrolet-silverado-2500-hd-high-country-esi6284782
- 2021-chevrolet-silverado-2500-hd-lt-esi1846390
- 2021-chevrolet-silverado-2500-hd-ltz-esi7133724
- 2021-chevrolet-silverado-2500-hd-wt-esi9488347
- 2021-chevrolet-silverado-3500-hd-high-country-esi4472689
- 2021-chevrolet-silverado-3500-hd-lt-esi4351311
- 2021-chevrolet-silverado-3500-hd-ltz-esi4982292
- 2021-chevrolet-silverado-3500-hd-wt-esi1513222
- 2021-gmc-sierra-2500-hd-at4-esi7347206
- 2021-gmc-sierra-2500-hd-base-esi2129986
- 2021-gmc-sierra-2500-hd-denali-esi2779036
- 2021-gmc-sierra-2500-hd-sle-esi4472340
- 2021-gmc-sierra-2500-hd-slt-esi4506490
- 2021-gmc-sierra-3500-hd-at4-esi4606713
- 2021-gmc-sierra-3500-hd-base-esi4251960
- 2021-gmc-sierra-3500-hd-denali-esi8967657
- 2021-gmc-sierra-3500-hd-sle-esi4623032
- 2021-gmc-sierra-3500-hd-slt-esi9050050
- 2022-chevrolet-silverado-2500-hd-custom-esi3475283
- 2022-chevrolet-silverado-2500-hd-high-country-esi6018640
- 2022-chevrolet-silverado-2500-hd-lt-esi9011951
- 2022-chevrolet-silverado-2500-hd-ltz-esi2635303
- 2022-chevrolet-silverado-2500-hd-wt-esi8092046
- 2022-chevrolet-silverado-3500-hd-high-country-esi3788649
- 2022-chevrolet-silverado-3500-hd-lt-esi2090686
- 2022-chevrolet-silverado-3500-hd-ltz-esi6079330
- 2022-chevrolet-silverado-3500-hd-wt-esi6892724
- 2022-gmc-sierra-2500-hd-at4-esi3985831
- 2022-gmc-sierra-2500-hd-denali-esi9411350
- 2022-gmc-sierra-2500-hd-pro-esi3308531
- 2022-gmc-sierra-2500-hd-sle-esi7896028
- 2022-gmc-sierra-2500-hd-slt-esi3770843
- 2022-gmc-sierra-3500-hd-at4-esi5885302
- 2022-gmc-sierra-3500-hd-denali-esi5041644
- 2022-gmc-sierra-3500-hd-pro-esi1840184
- 2022-gmc-sierra-3500-hd-sle-esi4521448
- 2022-gmc-sierra-3500-hd-slt-esi8451279
- EPA:N/A
- fits_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
- fits_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
- fits_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
- LTL:N
- MPN:ECM-00-L5P-U
- Non-CARB:Y
- Programmers & Chips>ECM Modification
- Prop65:Y
- SpecialOrder:Y
