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-esi4633507
- 2017-chevrolet-silverado-2500-hd-lt-esi6031505
- 2017-chevrolet-silverado-2500-hd-ltz-esi4203972
- 2017-chevrolet-silverado-2500-hd-wt-esi7068057
- 2017-chevrolet-silverado-3500-hd-high-country-esi4462560
- 2017-chevrolet-silverado-3500-hd-lt-esi1208885
- 2017-chevrolet-silverado-3500-hd-ltz-esi9596070
- 2017-chevrolet-silverado-3500-hd-wt-esi2459669
- 2017-gmc-sierra-2500-hd-base-esi7660686
- 2017-gmc-sierra-2500-hd-denali-esi4821671
- 2017-gmc-sierra-2500-hd-sle-esi4532612
- 2017-gmc-sierra-2500-hd-slt-esi4389034
- 2017-gmc-sierra-3500-hd-base-esi7365886
- 2017-gmc-sierra-3500-hd-denali-esi3907517
- 2017-gmc-sierra-3500-hd-sle-esi5185849
- 2017-gmc-sierra-3500-hd-slt-esi7266625
- 2018-chevrolet-silverado-2500-hd-high-country-esi2634139
- 2018-chevrolet-silverado-2500-hd-lt-esi9373471
- 2018-chevrolet-silverado-2500-hd-ltz-esi1492433
- 2018-chevrolet-silverado-2500-hd-wt-esi3320506
- 2018-chevrolet-silverado-3500-hd-high-country-esi7427910
- 2018-chevrolet-silverado-3500-hd-lt-esi6766799
- 2018-chevrolet-silverado-3500-hd-ltz-esi1272211
- 2018-chevrolet-silverado-3500-hd-wt-esi1958471
- 2018-gmc-sierra-2500-hd-base-esi7095160
- 2018-gmc-sierra-2500-hd-denali-esi2921126
- 2018-gmc-sierra-2500-hd-sle-esi8914076
- 2018-gmc-sierra-2500-hd-slt-esi6887943
- 2018-gmc-sierra-3500-hd-base-esi5032247
- 2018-gmc-sierra-3500-hd-denali-esi8510061
- 2018-gmc-sierra-3500-hd-sle-esi6287510
- 2018-gmc-sierra-3500-hd-slt-esi5117079
- 2019-chevrolet-silverado-2500-hd-high-country-esi7860949
- 2019-chevrolet-silverado-2500-hd-lt-esi2291862
- 2019-chevrolet-silverado-2500-hd-ltz-esi9421360
- 2019-chevrolet-silverado-2500-hd-wt-esi5858257
- 2019-chevrolet-silverado-3500-hd-high-country-esi9373200
- 2019-chevrolet-silverado-3500-hd-lt-esi2102882
- 2019-chevrolet-silverado-3500-hd-ltz-esi2265311
- 2019-chevrolet-silverado-3500-hd-wt-esi7794146
- 2019-gmc-sierra-2500-hd-base-esi1651913
- 2019-gmc-sierra-2500-hd-denali-esi3241218
- 2019-gmc-sierra-2500-hd-sle-esi4421693
- 2019-gmc-sierra-2500-hd-slt-esi4507569
- 2019-gmc-sierra-3500-hd-base-esi1239484
- 2019-gmc-sierra-3500-hd-denali-esi2613249
- 2019-gmc-sierra-3500-hd-sle-esi2194665
- 2019-gmc-sierra-3500-hd-slt-esi4040164
- 2020-chevrolet-silverado-2500-hd-high-country-esi7057781
- 2020-chevrolet-silverado-2500-hd-lt-esi9180182
- 2020-chevrolet-silverado-2500-hd-ltz-esi3215948
- 2020-chevrolet-silverado-2500-hd-wt-esi8638329
- 2020-chevrolet-silverado-3500-hd-high-country-esi7240286
- 2020-chevrolet-silverado-3500-hd-lt-esi4676106
- 2020-chevrolet-silverado-3500-hd-ltz-esi8718741
- 2020-chevrolet-silverado-3500-hd-wt-esi1312889
- 2020-gmc-sierra-2500-hd-at4-esi6795016
- 2020-gmc-sierra-2500-hd-base-esi3553916
- 2020-gmc-sierra-2500-hd-denali-esi5984795
- 2020-gmc-sierra-2500-hd-sle-esi2554241
- 2020-gmc-sierra-2500-hd-slt-esi9478393
- 2020-gmc-sierra-3500-hd-at4-esi6772285
- 2020-gmc-sierra-3500-hd-base-esi3798796
- 2020-gmc-sierra-3500-hd-denali-esi9648808
- 2020-gmc-sierra-3500-hd-sle-esi1913542
- 2020-gmc-sierra-3500-hd-slt-esi7349762
- 2021-chevrolet-silverado-2500-hd-custom-esi6036120
- 2021-chevrolet-silverado-2500-hd-high-country-esi1164318
- 2021-chevrolet-silverado-2500-hd-lt-esi4629619
- 2021-chevrolet-silverado-2500-hd-ltz-esi2924202
- 2021-chevrolet-silverado-2500-hd-wt-esi1825236
- 2021-chevrolet-silverado-3500-hd-high-country-esi2156501
- 2021-chevrolet-silverado-3500-hd-lt-esi7914268
- 2021-chevrolet-silverado-3500-hd-ltz-esi3670721
- 2021-chevrolet-silverado-3500-hd-wt-esi5456479
- 2021-gmc-sierra-2500-hd-at4-esi4820137
- 2021-gmc-sierra-2500-hd-base-esi8685020
- 2021-gmc-sierra-2500-hd-denali-esi4972967
- 2021-gmc-sierra-2500-hd-sle-esi1540459
- 2021-gmc-sierra-2500-hd-slt-esi1590018
- 2021-gmc-sierra-3500-hd-at4-esi1399548
- 2021-gmc-sierra-3500-hd-base-esi3484024
- 2021-gmc-sierra-3500-hd-denali-esi6585289
- 2021-gmc-sierra-3500-hd-sle-esi1264583
- 2021-gmc-sierra-3500-hd-slt-esi5495385
- 2022-chevrolet-silverado-2500-hd-custom-esi4465756
- 2022-chevrolet-silverado-2500-hd-high-country-esi6792860
- 2022-chevrolet-silverado-2500-hd-lt-esi9989294
- 2022-chevrolet-silverado-2500-hd-ltz-esi7573564
- 2022-chevrolet-silverado-2500-hd-wt-esi5799651
- 2022-chevrolet-silverado-3500-hd-high-country-esi2685019
- 2022-chevrolet-silverado-3500-hd-lt-esi4507939
- 2022-chevrolet-silverado-3500-hd-ltz-esi6025656
- 2022-chevrolet-silverado-3500-hd-wt-esi6826604
- 2022-gmc-sierra-2500-hd-at4-esi5881306
- 2022-gmc-sierra-2500-hd-denali-esi1837969
- 2022-gmc-sierra-2500-hd-pro-esi1224887
- 2022-gmc-sierra-2500-hd-sle-esi2799171
- 2022-gmc-sierra-2500-hd-slt-esi5680868
- 2022-gmc-sierra-3500-hd-at4-esi2915482
- 2022-gmc-sierra-3500-hd-denali-esi2650775
- 2022-gmc-sierra-3500-hd-pro-esi8341196
- 2022-gmc-sierra-3500-hd-sle-esi5595306
- 2022-gmc-sierra-3500-hd-slt-esi8115638
- 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