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    • 2020-2022 Duramax L5P
  • Cummins
    • 2006-2007 Cummins 5.9L
    • 2007.5-2009 Cummins 6.7L
    • 2010-2012 Cummins 6.7L
    • 2013-2018 Cummins 6.7L
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  • Hardware
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    • Tuning Switches
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2013-2019 Cummins EZ Lynk Tuning – Power Without Limits

Fine-tuned performance for your 6.7L Cummins. More power, better throttle response, optimized efficiency—built for serious diesel owners.

Get the Best Tune for Your Cummins

Select your truck below or use the menu above to browse

Performance Tuning & Diesel Truck Parts Built for Power

DieselR is built for those who demand real results. From precision tuning files to performance-driven diesel parts, we engineer every upgrade to deliver power, efficiency, and reliability. Whether you're looking for the best tuning files or serious performance mods, we make sure your diesel works as hard as you do.

Find Your TuneShop Diesel Performance Parts

Top Products

The Diesel Upgrades That Matter

No fluff, just the highest-performing diesel performance essentials. From ECM upgrades to fuel system optimizations—these are the parts that get the job done.

  • EZ Lynk Auto Agent 3 - BLANK Tuning Devices EZ Lynk

    EZ Lynk Auto Agent 3 - BLANK

    EZ Lynk Auto Agent 3 - BLANK

    Vendor:
    EZ Lynk

    SKU:100EE00AA3

    Regular price $549.00 USD
    Regular price $0.00 USD Sale Price $549.00 USD
    Unit price /  per 
  • Rotary Switch Bracket (2017-2022 6.7L Powerstroke) Switch Bracket GDP

    Rotary Switch Bracket (2017-2022 6.7L Powerstroke)

    Rotary Switch Bracket (2017-2022 6.7L Powerstroke)

    Vendor:
    GDP

    SKU:GDP22002

    Regular price $23.99 USD
    Regular price Sale Price $23.99 USD
    Unit price /  per 
  • GDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P Duramax) Programmers GDP

    GDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P Duramax)

    GDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P Duramax)

    Vendor:
    GDP

    SKU:GDPCOMM1001

    Regular price $1,000.00 USD
    Regular price Sale Price $1,000.00 USD
    Unit price /  per 
  • 5 Position Switch (2015-2019 Powerstroke) Switches GDP

    5 Position Switch (2015-2019 Powerstroke)

    5 Position Switch (2015-2019 Powerstroke)

    Vendor:
    GDP

    SKU:GDP210021

    Regular price $59.95 USD
    Regular price $0.00 USD Sale Price $59.95 USD
    Unit price /  per 
  • EZ Lynk Full Support (Lifetime) Upgrade Licenses DIESELR Tuning

    EZ Lynk Full Support (Lifetime) Upgrade

    EZ Lynk Full Support (Lifetime) Upgrade

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-500130

    Regular price $350.00 USD
    Regular price $0.00 USD Sale Price $350.00 USD
    Unit price /  per 
  • DIESELR 3.5" Downpipe (2017-2023 Duramax L5P) Turbocharger Down Pipe DIESELR Tuning

    DIESELR 3.5" Downpipe (2017-2023 Duramax L5P)

    DIESELR 3.5" Downpipe (2017-2023 Duramax L5P)

    Vendor:
    DIESELR Tuning

    SKU:255-01301

    Regular price $287.50 USD
    Regular price Sale Price $287.50 USD
    Unit price /  per 
  • Motorcraft Engine Control Module - Unlocked (ECM) (2020-2022 Powerstroke 6.7L) Hardware DIESELR Tuning

    Motorcraft Engine Control Module - Unlocked (ECM) (2020-2022 Powerstroke 6.7L)

    Motorcraft Engine Control Module - Unlocked (ECM) (2020-2022 Powerstroke 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:LC3Z12A650KANP

    Regular price $1,211.67 USD
    Regular price $0.00 USD Sale Price $1,211.67 USD
    Unit price /  per 
  • DIESELR Flex Pipe Back Exhaust - Single (2019+ Ram 2500/3500 6.7L Cummins) Exhaust DIESELR Tuning

    DIESELR Flex Pipe Back Exhaust - Single (2019+ Ram 2500/3500 6.7L Cummins)

    DIESELR Flex Pipe Back Exhaust - Single (2019+ Ram 2500/3500 6.7L Cummins)

    Vendor:
    DIESELR Tuning

    SKU:355-01401

    Regular price From $490.00 USD
    Regular price Sale Price From $490.00 USD
    Unit price /  per 
  • DIESELR Downpipe Back Exhaust - Single (2017-2019 GM 2500/3500 6.6L Duramax L5P) Exhaust DIESELR Tuning

    DIESELR Downpipe Back Exhaust - Single (2017-2019 GM 2500/3500 6.6L Duramax L5P)

    DIESELR Downpipe Back Exhaust - Single (2017-2019 GM 2500/3500 6.6L Duramax L5P)

    Vendor:
    DIESELR Tuning

    SKU:255-01500

    Regular price From $480.50 USD
    Regular price Sale Price From $480.50 USD
    Unit price /  per 
  • OBDII CSP-5 Switch (2006-2021 Cummins MM3 & EFI ONLY) (2017-2023 Duramax L5P) Switches GDP

    OBDII CSP-5 Switch (2006-2021 Cummins MM3 & EFI ONLY) (2017-2023 Duramax L5P)

    OBDII CSP-5 Switch (2006-2021 Cummins MM3 & EFI ONLY) (2017-2023 Duramax L5P)

    Vendor:
    GDP

    SKU:GDP610011

    Regular price $84.95 USD
    Regular price $0.00 USD Sale Price $84.95 USD
    Unit price /  per 
  • Cat & DPF Race Pipes (2017-2023 GM 2500/3500 6.6L Duramax L5P) Exhaust DIESELR Tuning

    DIESELR Cat & DPF Race Pipes (2017-2023 GM 2500/3500 6.6L Duramax L5P)

    DIESELR Cat & DPF Race Pipes (2017-2023 GM 2500/3500 6.6L Duramax L5P)

    Vendor:
    DIESELR Tuning

    SKU:255-02402

    Regular price $322.00 USD
    Regular price Sale Price $322.00 USD
    Unit price /  per 
  • Downpipe Back Exhaust - Single (2013-2018 Dodge 2500/3500 6.7L Cummins) Exhaust DIESELR Tuning 4" No Muffler

    DIESELR Downpipe/Turbo Back Exhaust - Single (2013-2018 Dodge 2500/3500 6.7L Cummins)

    DIESELR Downpipe/Turbo Back Exhaust - Single (2013-2018 Dodge 2500/3500 6.7L Cummins)

    Vendor:
    DIESELR Tuning

    SKU:355-02401

    Regular price From $490.00 USD
    Regular price Sale Price From $490.00 USD
    Unit price /  per 
  • Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P) Exhaust DIESELR Tuning

    DIESELR Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P)

    DIESELR Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P)

    Vendor:
    DIESELR Tuning

    SKU:255-01501

    Regular price From $490.00 USD
    Regular price Sale Price From $490.00 USD
    Unit price /  per 
  • Mopar Engine Controller Module (ECM) (2019-2022 Cummins 6.7L) ECM DIESELR Tuning

    Mopar ECM (2019-2021 Cummins 6.7L) (For 2022-2024 ECM Swap)

    Mopar ECM (2019-2021 Cummins 6.7L) (For 2022-2024 ECM Swap)

    Vendor:
    DIESELR Tuning

    SKU:68363277AA

    Regular price $3,595.00 USD
    Regular price Sale Price $3,595.00 USD
    Unit price /  per 
  • DIESELR EGR Upgrade Kit (2010-2024 Cummins 6.7L) EGR Upgrade Kit DIESELR Tuning

    DIESELR EGR Upgrade Kit (2010-2024 Cummins 6.7L)

    DIESELR EGR Upgrade Kit (2010-2024 Cummins 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:315-01001

    Regular price $205.00 USD
    Regular price Sale Price $205.00 USD
    Unit price /  per 
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Top Tunes - Best in the World

The Diesel Tunes That Define Performance

Industry-leading tune files built for serious power and efficiency. Developed, tested, and refined to extract the best from your truck—no compromises.

  • DIESELR EZ Lynk Tune Files (2013-2018 Cummins 6.7L) Tune Files DIESELR Tuning

    DIESELR EZ Lynk Tune Files (2013-2018 Cummins 6.7L)

    DIESELR EZ Lynk Tune Files (2013-2018 Cummins 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-300111

    Regular price From $700.00 USD
    Regular price $0.00 USD Sale Price From $700.00 USD
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  • DIESELR EZ Lynk Tune Files (2017-2019 Powerstroke 6.7L) Tune Files DIESELR Tuning

    DIESELR EZ Lynk Tune Files (2017-2019 Powerstroke 6.7L)

    DIESELR EZ Lynk Tune Files (2017-2019 Powerstroke 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-100112

    Regular price From $700.00 USD
    Regular price $0.00 USD Sale Price From $700.00 USD
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  • DIESELR EZ Lynk Tune Files (2011-2016 Powerstroke 6.7L) Tune Files DIESELR Tuning

    DIESELR EZ Lynk Tune Files (2011-2016 Powerstroke 6.7L)

    DIESELR EZ Lynk Tune Files (2011-2016 Powerstroke 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-100111

    Regular price From $700.00 USD
    Regular price $0.00 USD Sale Price From $700.00 USD
    Unit price /  per 
  • DIESELR EZ Lynk Tune Files (2011-2016 Duramax LML 6.6L) Tune Files DIESELR Tuning

    DIESELR EZ Lynk Tune Files (2011-2016 Duramax LML 6.6L)

    DIESELR EZ Lynk Tune Files (2011-2016 Duramax LML 6.6L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-200110

    Regular price From $700.00 USD
    Regular price $0.00 USD Sale Price From $700.00 USD
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  • DIESELR MPVI3 Tune Files (2017-2019 Duramax L5P 6.6L) Tune Files DIESELR Tuning

    DIESELR MPVI3 Tune Files (2017-2019 Duramax L5P 6.6L)

    DIESELR MPVI3 Tune Files (2017-2019 Duramax L5P 6.6L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-200212

    Regular price From $825.00 USD
    Regular price $0.00 USD Sale Price From $825.00 USD
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  • DIESELR EZ Lynk Tune Files (2019-2021 Cummins 6.7L) Tune Files DIESELR Tuning

    DIESELR EZ Lynk Tune Files (2019-2021 Cummins 6.7L)

    DIESELR EZ Lynk Tune Files (2019-2021 Cummins 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-300112

    Regular price From $700.00 USD
    Regular price $0.00 USD Sale Price From $700.00 USD
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  • EZ Lynk GDP Lifetime Support Pack (Ford/GM/Ram) GDP Tune Files GDP

    EZ Lynk GDP Lifetime Support Pack (Ford/GM/Ram)

    EZ Lynk GDP Lifetime Support Pack (Ford/GM/Ram)

    Vendor:
    GDP

    SKU:GDP11006

    Regular price $1,000.00 USD
    Regular price Sale Price $1,000.00 USD
    Unit price /  per 
  • EZ Lynk GDP 4-Week Support Pack (Ford/GM/Ram) GDP Tune Files GDP

    EZ Lynk GDP 4-Week Support Pack (Ford/GM/Ram)

    EZ Lynk GDP 4-Week Support Pack (Ford/GM/Ram)

    Vendor:
    GDP

    SKU:GDP11005

    Regular price $700.00 USD
    Regular price Sale Price $700.00 USD
    Unit price /  per 
  • DIESELR MM3 Tune Files (2010-2018 Cummins 6.7L) MM3 Tune Files DIESELR Tuning

    DIESELR MM3 Tune Files (2010-2018 Cummins 6.7L)

    DIESELR MM3 Tune Files (2010-2018 Cummins 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-300312

    Regular price $550.00 USD
    Regular price $0.00 USD Sale Price $550.00 USD
    Unit price /  per 
  • DIESELR Commander Tune Files (2020-2021 Powerstroke 6.7L) Tune Files DIESELR Tuning

    DIESELR Commander Tune Files (2020-2021 Powerstroke 6.7L)

    DIESELR Commander Tune Files (2020-2021 Powerstroke 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-100610

    Regular price From $800.00 USD
    Regular price $0.00 USD Sale Price From $800.00 USD
    Unit price /  per 
  • DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L) Tune Files DIESELR Tuning

    DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L)

    DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-200213

    Regular price From $825.00 USD
    Regular price $0.00 USD Sale Price From $825.00 USD
    Unit price /  per 
  • DIESELR EZ Lynk Tune Files (2010-2012 Cummins 6.7L) Tune Files DIESELR Tuning

    DIESELR EZ Lynk Tune Files (2010-2012 Cummins 6.7L)

    DIESELR EZ Lynk Tune Files (2010-2012 Cummins 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-300110

    Regular price From $700.00 USD
    Regular price $0.00 USD Sale Price From $700.00 USD
    Unit price /  per 
  • DIESELR Commander Tune Files (2023-2024 Powerstroke 6.7L) Tune Files DIESELR Tuning

    DIESELR Commander Tune Files (2023-2024 Powerstroke 6.7L)

    DIESELR Commander Tune Files (2023-2024 Powerstroke 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-100616

    Regular price $1,200.00 USD
    Regular price $0.00 USD Sale Price $1,200.00 USD
    Unit price /  per 
  • DIESELR Commander Tune Files (2022 Powerstroke 6.7L - *For 2022 ECM / PICKUP ONLY*) Tune Files DIESELR Tuning

    DIESELR Commander Tune Files (2022 Powerstroke 6.7L - *For 2022 ECM*)

    DIESELR Commander Tune Files (2022 Powerstroke 6.7L - *For 2022 ECM*)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-100612

    Regular price $1,000.00 USD
    Regular price $0.00 USD Sale Price $1,000.00 USD
    Unit price /  per 
  • DIESELR MPVI3 Tune Files (2022 6.7L Cummins 6.7L) Beta Tune Files DIESELR Tuning

    DIESELR MPVI3 Tune Files (2022 6.7L Cummins 6.7L)

    DIESELR MPVI3 Tune Files (2022 6.7L Cummins 6.7L)

    Vendor:
    DIESELR Tuning

    SKU:DSLRT-300212

    Regular price From $1,000.00 USD
    Regular price $0.00 USD Sale Price From $1,000.00 USD
    Unit price /  per 
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