Dieselr Custom Tuning & Performance Parts for Powerstroke, Cummins & Duramax Trucks

Dieselr TunesDieselr Parts

2024-2025 L5P GM Duramax

HP Tuners' Send In Service to upgrade E42 (Global B) ECMs

UNLOCK

2024-2025 L5P GM Duramax

HP Tuners' Send In Service to upgrade E42 (Global B) ECMs

2023-2025 Ford Powerstroke 6.7L

Upgrade your EZ Lynk Single level stock power tune to +130 HP - 5 Level SOTF tuning

UPGRADE

2023-2025 Ford Powerstroke 6.7L

Upgrade your EZ Lynk Single level stock power tune to +130 HP - 5 Level SOTF tuning

2022-2024 Dodge Ram Cummins 6.7L

Mopar ECM for Swapping and Tuning 2019-2024 Cummins 6.7L Engines

SWAP

2022-2024 Dodge Ram Cummins 6.7L

Mopar ECM for Swapping and Tuning 2019-2024 Cummins 6.7L Engines

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Calibrated Performance Tuning & Diesel Performance Truck Parts Built for Real Use

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

Select your truck below or use the menu above to browse

Our Featured Collections

Dieselr's most prized collections

All-in-One Kits – Tuners, Tunes, Exhaust Systems & EGR Upgrades

Get everything you need in one bundle—tuner, custom tunes, exhaust systems, and EGR upgrades. No guesswork, just power, performance, and reliability.

  • DIESELR GM Duramax L5P All In One Kit (2024-2025) All In One Kit (Basic) DIESELR Corp Cat & DPF Straight - Race Pipe
    RTD4 / MPVi4 All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit

    (2024-2026)
    6.6L L5P GM Duramax
    From $4,560.90 USD
    NEW
  • DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ MPVi3 All In One Kit (Basic) DIESELR Corp
    MPVi4 All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit w/ MPVi4

    (2017-2023)
    6.6L L5P GM Duramax
    From $2,311.17 USD
  • DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ EZ Lynk All In One Kit (Basic) DIESELR Corp 2017-2019 Single Tune File (4-Week Support) Cat & DPF Straight - Race Pipe (Stainless Steel)
    EZ Lynk All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit w/ EZ Lynk

    (2017-2023)
    6.6L L5P GM Duramax
    From $2,260.24 USD
    NEW
  • DIESELR 6.7L Ford Powerstroke W/ EZ Lynk All In One Kit (2023–2025) All In One Kit (Basic) DIESELR Corp
    EZ Lynk All In One Kit (Basic)
    DIESELR Corp

    Dieselr All In One Kit w/ EZ Lynk

    (2023-2026)
    6.7L Ford Powerstroke
    From $2,878.00 USD
    NEW
  • DIESELR 3.0L GM Duramax LM2 E46 All in one kit w/ EZ Lynk (2019-2022) All In One Kit (Basic) DIESELR Corp Limited 4-week Support Pack Cat & DPF Straight - Race Pipe (Stainless Steel)
    EZ Lynk All In One Kit (Basic)
    DIESELR Corp

    Dieselr All In One Kit w/ EZ Lynk

    (2019-2022)
    3.0L LM2 GM Duramax (E46)
    From $2,363.49 USD
    NEW
  • DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ Commander All In One Kit (Basic) DIESELR Corp
    Commander All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit w/ commander

    (2017-2023)
    6.6L L5P GM Duramax
    From $2,626.99 USD
  • DIESELR 6.7L RAM Cummins All-In-One Kit (2019–2021) (Cab & Chassis) All In One Kit (Basic) DIESELR Corp
    EZ Lynk All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit

    (2019–2021)
    6.7L Dodge/Ram Cummins (Cab & Chassis)
    From $1,762.00 USD
    NEW
  • DIESELR 6.7L Ford Powerstroke All-In-One Kit w/ EZ Lynk (2020-2022) All In One Kit (Basic) DIESELR Corp
    EZ Lynk All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit w/ EZ Lynk

    (2020-2022)
    6.7L Ford Powerstroke
    From $2,269.00 USD
    NEW
  • DIESELR 3.0L GM Duramax LM2 E46 All In One Kit w/ Commander (2020-2022) All In One Kit (Basic) DIESELR Corp
    Commander All In One Kit (Basic)
    DIESELR Corp

    Dieselr All In One Kit w/ Commander

    (2020-2022)
    3.0L LM2 GM Duramax (E46)
    From $3,064.49 USD
  • DIESELR 6.7L RAM Cummins All-In-One Kit (2022–2024, 68RFE) All In One Kit (Basic) DIESELR Corp
    MPVi4 All In One Kit (Basic)
    DIESELR Corp

    DieselR All In One Kit

    (2022-2024)
    6.7L Dodge/Ram Cummins *68RFE Only*
    From $2,781.98 USD
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Now only 4 HP Tuners Credits are needed to Tune the E41 ECM of GM Duramax L5P (17-23) - Click Here

Diesel Performance Tuning, Built to Work

Calibrated Diesel Tuning for Builders and Shops

Dieselr provides platform-specific diesel tuning for Cummins, Duramax, and Power Stroke applications. Our ECM and TCM files are built to operate as part of a complete system—matched, validated, and supported for real-world use. No generic maps. No inflated claims. Just controlled calibration designed to behave predictably under load.

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Diesel Performance Parts That Get the Job Done

Purpose-driven diesel components selected to support tuned applications.

Dieselr supplies supporting hardware selected to work with calibrated tuning systems—not generic bolt-ons.

This collection focuses on airflow, exhaust, and supporting components chosen for fitment, durability, and predictable operation under load. Each part serves a defined role in the system. Nothing added for show.

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Shop Our Featured Brands

Discover collections by our bestselling featured Diesel Performance Tuning brands.

Chaos Custom Tuning Chaos Custom Tuning EFI Live EFI Live EZ Lynk EZ Lynk DieselR Tuning DieselR Tuning Katz Azz Katz Azz Polar Diesel Polar Diesel Calibrated Power Calibrated Power SCT SCT FASS Fuel Systems FASS Fuel Systems SunCoast Performance SunCoast Performance GDP GDP S&S Diesel Motorsport S&S Diesel Motorsport ATS Diesel Performance ATS Diesel Performance MM3 MM3 Chaos Custom Tuning Chaos Custom Tuning EFI Live EFI Live EZ Lynk EZ Lynk DieselR Tuning DieselR Tuning Katz Azz Katz Azz Polar Diesel Polar Diesel Calibrated Power Calibrated Power SCT SCT FASS Fuel Systems FASS Fuel Systems SunCoast Performance SunCoast Performance GDP GDP S&S Diesel Motorsport S&S Diesel Motorsport ATS Diesel Performance ATS Diesel Performance MM3 MM3

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