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Availability: Special Order*
SKU: ECM-00-L5P-U
Manufacturer: HP Tuners
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$649.99

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.

HP Tuners L5P - ECM Upgrade Serivce

HP Tuners Engine Cntrl Module

HPT L5P ECM Upgrade Service

Engine Control Module (ECM)

L5P - ECM Upgrade Serivce

Engine Cntrl Module

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.

HP Tuners L5P - ECM Upgrade Serivce

HP Tuners Engine Cntrl Module

HPT L5P ECM Upgrade Service

Engine Control Module (ECM)

L5P - ECM Upgrade Serivce

Engine Cntrl Module

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Vehicle Fitment

Chevrolet

    Silverado 2500 HD

      2022 Custom - 2022 WT - 2022 LTZ - 2022 LT - 2022 High Country - 2021 Custom - 2021 WT - 2021 LTZ - 2021 LT - 2021 High Country - 2020 High Country - 2020 LT - 2020 LTZ - 2020 WT - 2019 High Country - 2019 LT - 2019 LTZ - 2019 WT - 2018 WT - 2018 LT - 2018 LTZ - 2018 High Country - 2017 High Country - 2017 LT - 2017 LTZ - 2017 WT

    Silverado 3500 HD

      2022 WT - 2022 LTZ - 2022 High Country - 2022 LT - 2021 WT - 2021 LTZ - 2021 High Country - 2021 LT - 2020 High Country - 2020 WT - 2020 LTZ - 2020 LT - 2019 High Country - 2019 LT - 2019 LTZ - 2019 WT - 2018 WT - 2018 High Country - 2018 LT - 2018 LTZ - 2017 High Country - 2017 LT - 2017 LTZ - 2017 WT

GMC

    Sierra 2500 HD

      2022 SLT - 2022 SLE - 2022 Denali - 2022 AT4 - 2022 Pro - 2021 SLE - 2021 AT4 - 2021 SLT - 2021 Denali - 2021 Base - 2020 SLT - 2020 SLE - 2020 Base - 2020 Denali - 2020 AT4 - 2019 Base - 2019 Denali - 2019 SLE - 2019 SLT - 2018 SLT - 2018 SLE - 2018 Denali - 2018 Base - 2017 Base - 2017 Denali - 2017 SLE - 2017 SLT

    Sierra 3500 HD

      2022 Pro - 2022 SLT - 2022 SLE - 2022 Denali - 2022 AT4 - 2021 SLT - 2021 SLE - 2021 Denali - 2021 Base - 2021 AT4 - 2020 Denali - 2020 Base - 2020 SLE - 2020 SLT - 2020 AT4 - 2019 Base - 2019 Denali - 2019 SLE - 2019 SLT - 2018 Denali - 2018 Base - 2018 SLE - 2018 SLT - 2017 Base - 2017 Denali - 2017 SLE - 2017 SLT
*we take fitment seriously and have invested heavily into matching products to your vehicle, but it is up to the end user to confirm products are suitable for their vehicle, legal for them to use for the purposes they intend, and verify fitment upon installation. Many opened products may not be returned, so if fitment is in question, please contact us before ordering. We are not resonsible for any costs incurring from a product not being suitable to an end users application.