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-esi5136754
- 2017-chevrolet-silverado-2500-hd-lt-esi2352821
- 2017-chevrolet-silverado-2500-hd-ltz-esi3874346
- 2017-chevrolet-silverado-2500-hd-wt-esi4690211
- 2017-chevrolet-silverado-3500-hd-high-country-esi6740414
- 2017-chevrolet-silverado-3500-hd-lt-esi5695269
- 2017-chevrolet-silverado-3500-hd-ltz-esi9514754
- 2017-chevrolet-silverado-3500-hd-wt-esi6218894
- 2017-gmc-sierra-2500-hd-base-esi6043561
- 2017-gmc-sierra-2500-hd-denali-esi7069805
- 2017-gmc-sierra-2500-hd-sle-esi4738542
- 2017-gmc-sierra-2500-hd-slt-esi6232806
- 2017-gmc-sierra-3500-hd-base-esi8185775
- 2017-gmc-sierra-3500-hd-denali-esi1479186
- 2017-gmc-sierra-3500-hd-sle-esi8478457
- 2017-gmc-sierra-3500-hd-slt-esi2087889
- 2018-chevrolet-silverado-2500-hd-high-country-esi8230022
- 2018-chevrolet-silverado-2500-hd-lt-esi4259961
- 2018-chevrolet-silverado-2500-hd-ltz-esi1313226
- 2018-chevrolet-silverado-2500-hd-wt-esi2107740
- 2018-chevrolet-silverado-3500-hd-high-country-esi3440366
- 2018-chevrolet-silverado-3500-hd-lt-esi4891089
- 2018-chevrolet-silverado-3500-hd-ltz-esi3809501
- 2018-chevrolet-silverado-3500-hd-wt-esi4084677
- 2018-gmc-sierra-2500-hd-base-esi4556022
- 2018-gmc-sierra-2500-hd-denali-esi1966335
- 2018-gmc-sierra-2500-hd-sle-esi3648884
- 2018-gmc-sierra-2500-hd-slt-esi1657508
- 2018-gmc-sierra-3500-hd-base-esi7007690
- 2018-gmc-sierra-3500-hd-denali-esi1589306
- 2018-gmc-sierra-3500-hd-sle-esi8595022
- 2018-gmc-sierra-3500-hd-slt-esi6541409
- 2019-chevrolet-silverado-2500-hd-high-country-esi6662285
- 2019-chevrolet-silverado-2500-hd-lt-esi5324366
- 2019-chevrolet-silverado-2500-hd-ltz-esi6110365
- 2019-chevrolet-silverado-2500-hd-wt-esi5505873
- 2019-chevrolet-silverado-3500-hd-high-country-esi9710724
- 2019-chevrolet-silverado-3500-hd-lt-esi2503812
- 2019-chevrolet-silverado-3500-hd-ltz-esi7653576
- 2019-chevrolet-silverado-3500-hd-wt-esi2996507
- 2019-gmc-sierra-2500-hd-base-esi9299528
- 2019-gmc-sierra-2500-hd-denali-esi4145622
- 2019-gmc-sierra-2500-hd-sle-esi5363088
- 2019-gmc-sierra-2500-hd-slt-esi9010293
- 2019-gmc-sierra-3500-hd-base-esi1475531
- 2019-gmc-sierra-3500-hd-denali-esi5064018
- 2019-gmc-sierra-3500-hd-sle-esi1533249
- 2019-gmc-sierra-3500-hd-slt-esi1176782
- 2020-chevrolet-silverado-2500-hd-high-country-esi6256560
- 2020-chevrolet-silverado-2500-hd-lt-esi1572284
- 2020-chevrolet-silverado-2500-hd-ltz-esi3075548
- 2020-chevrolet-silverado-2500-hd-wt-esi3608760
- 2020-chevrolet-silverado-3500-hd-high-country-esi3487465
- 2020-chevrolet-silverado-3500-hd-lt-esi8371533
- 2020-chevrolet-silverado-3500-hd-ltz-esi2850555
- 2020-chevrolet-silverado-3500-hd-wt-esi5664123
- 2020-gmc-sierra-2500-hd-at4-esi3166603
- 2020-gmc-sierra-2500-hd-base-esi7887230
- 2020-gmc-sierra-2500-hd-denali-esi6350939
- 2020-gmc-sierra-2500-hd-sle-esi6612697
- 2020-gmc-sierra-2500-hd-slt-esi9191934
- 2020-gmc-sierra-3500-hd-at4-esi5275013
- 2020-gmc-sierra-3500-hd-base-esi4238242
- 2020-gmc-sierra-3500-hd-denali-esi1284918
- 2020-gmc-sierra-3500-hd-sle-esi4774707
- 2020-gmc-sierra-3500-hd-slt-esi5287868
- 2021-chevrolet-silverado-2500-hd-custom-esi6941225
- 2021-chevrolet-silverado-2500-hd-high-country-esi9762487
- 2021-chevrolet-silverado-2500-hd-lt-esi1370690
- 2021-chevrolet-silverado-2500-hd-ltz-esi6293482
- 2021-chevrolet-silverado-2500-hd-wt-esi6402683
- 2021-chevrolet-silverado-3500-hd-high-country-esi4457132
- 2021-chevrolet-silverado-3500-hd-lt-esi1160142
- 2021-chevrolet-silverado-3500-hd-ltz-esi6189728
- 2021-chevrolet-silverado-3500-hd-wt-esi1931522
- 2021-gmc-sierra-2500-hd-at4-esi4637019
- 2021-gmc-sierra-2500-hd-base-esi7475556
- 2021-gmc-sierra-2500-hd-denali-esi1897991
- 2021-gmc-sierra-2500-hd-sle-esi4026343
- 2021-gmc-sierra-2500-hd-slt-esi1888797
- 2021-gmc-sierra-3500-hd-at4-esi3968205
- 2021-gmc-sierra-3500-hd-base-esi3914604
- 2021-gmc-sierra-3500-hd-denali-esi5524027
- 2021-gmc-sierra-3500-hd-sle-esi3703496
- 2021-gmc-sierra-3500-hd-slt-esi6980707
- 2022-chevrolet-silverado-2500-hd-custom-esi1511206
- 2022-chevrolet-silverado-2500-hd-high-country-esi2201228
- 2022-chevrolet-silverado-2500-hd-lt-esi9967917
- 2022-chevrolet-silverado-2500-hd-ltz-esi9856880
- 2022-chevrolet-silverado-2500-hd-wt-esi7315867
- 2022-chevrolet-silverado-3500-hd-high-country-esi6480598
- 2022-chevrolet-silverado-3500-hd-lt-esi8134040
- 2022-chevrolet-silverado-3500-hd-ltz-esi4628784
- 2022-chevrolet-silverado-3500-hd-wt-esi1444132
- 2022-gmc-sierra-2500-hd-at4-esi1408186
- 2022-gmc-sierra-2500-hd-denali-esi7537921
- 2022-gmc-sierra-2500-hd-pro-esi3126161
- 2022-gmc-sierra-2500-hd-sle-esi1490316
- 2022-gmc-sierra-2500-hd-slt-esi2285582
- 2022-gmc-sierra-3500-hd-at4-esi7579742
- 2022-gmc-sierra-3500-hd-denali-esi4726349
- 2022-gmc-sierra-3500-hd-pro-esi8080070
- 2022-gmc-sierra-3500-hd-sle-esi8626208
- 2022-gmc-sierra-3500-hd-slt-esi5661824
- 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