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2017-2023 L5P EZ Lynk Tuning is Here!
Introducing the EZ Lynk AutoAgent for 2017-2023 L5P Duramax—the game-changing release that lets you unlock and flash your ECM for more power, smoother shifting, and improved drivability—all from your mobile device.
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.
Top Tunes - Best in the World
The Diesel Tunes That Define Performance
Get the best Top Diesel Tune Files for Cummins, Duramax, and Power Stroke. Custom-built for maximum power, torque, and efficiency, our tuning files deliver real performance gains without compromise. No generic maps—just precision diesel tuning that works.
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DIESELR EZ Lynk Tune Files (2013-2018 Cummins 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-300111
Regular price From $700.00 USDRegular priceUnit price / per$0.00 USDSale Price From $700.00 USD -
DIESELR EZ Lynk Tune Files (2017-2019 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-100112
Regular price From $700.00 USDRegular priceUnit price / per$0.00 USDSale Price From $700.00 USD -
DIESELR EZ Lynk Tune Files (2011-2016 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-100111
Regular price From $700.00 USDRegular priceUnit price / per$0.00 USDSale Price From $700.00 USD -
DIESELR EZ Lynk Tune Files (2011-2016 Duramax LML 6.6L)
Vendor:DIESELR TuningSKU:DSLRT-200110
Regular price From $700.00 USDRegular priceUnit price / per$0.00 USDSale Price From $700.00 USD -
DIESELR MPVI3 Tune Files (2017-2019 Duramax L5P 6.6L)
Vendor:DIESELR TuningSKU:DSLRT-200212
Regular price From $825.00 USDRegular priceUnit price / per$0.00 USDSale Price From $825.00 USD -
DIESELR EZ Lynk Tune Files (2019-2021 Cummins 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-300112
Regular price From $700.00 USDRegular priceUnit price / per$0.00 USDSale Price From $700.00 USD -
EZ Lynk GDP 4-Week Support Pack (Ford/GM/Ram)
Vendor:GDPSKU:GDP11005
Regular price $700.00 USDRegular priceUnit price / per -
EZ Lynk GDP Lifetime Support Pack (Ford/GM/Ram)
Vendor:GDPSKU:GDP11006
Regular price $1,000.00 USDRegular priceUnit price / per -
DIESELR MM3 Tune Files (2010-2018 Cummins 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-300312
Regular price $550.00 USDRegular priceUnit price / per$0.00 USDSale Price $550.00 USD -
DIESELR MPVI3 Tune Files (2020-2023 Duramax L5P 6.6L)
Vendor:DIESELR TuningSKU:DSLRT-200213
Regular price From $825.00 USDRegular priceUnit price / per$0.00 USDSale Price From $825.00 USD -
DIESELR Commander Tune Files (2020-2021 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-100610
Regular price From $800.00 USDRegular priceUnit price / per$0.00 USDSale Price From $800.00 USD -
DIESELR EZ Lynk Tune Files (2010-2012 Cummins 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-300110
Regular price From $700.00 USDRegular priceUnit price / per$0.00 USDSale Price From $700.00 USD -
DIESELR Commander Tune Files (2023-2025 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-100616
Regular price $1,200.00 USDRegular priceUnit price / per$0.00 USDSale Price $1,200.00 USD -
DIESELR Commander Tune Files (2022 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:DSLRT-100613
Regular price From $900.00 USDRegular priceUnit price / per$0.00 USDSale Price From $900.00 USD -
DIESELR Commander Stock File (2022 Powerstroke 6.7L - * Stock 2022 ECM*)
Vendor:DIESELR TuningSKU:DSLRT-100612
Regular price $1,000.00 USDRegular priceUnit price / per$0.00 USDSale Price $1,000.00 USD
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Top Products
The Diesel Upgrades That Matter
Upgrade your diesel truck’s performance with our best power-boosting parts. From intake systems to exhaust upgrades, we’ve got everything to keep your truck running stronger, harder, and more efficiently. No gimmicks—just real diesel performance solutions.
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GDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P Duramax)
Vendor:GDPSKU:GDPCOMM1001
Regular price $1,000.00 USDRegular priceUnit price / per -
EZ Lynk Full Support (Lifetime) Upgrade
Vendor:DIESELR TuningSKU:DSLRT-500130
Regular price $350.00 USDRegular priceUnit price / per$0.00 USDSale Price $350.00 USD -
DIESELR 3.5" Downpipe (2017-2023 Duramax L5P)
Vendor:DIESELR TuningSKU:255-01301
Regular price $287.50 USDRegular priceUnit price / per -
Rotary Switch Bracket (2017-2022 6.7L Powerstroke)
Vendor:GDPSKU:GDP22002
Regular price $23.99 USDRegular priceUnit price / per -
5 Position Switch (2015-2019 Powerstroke)
Vendor:GDPSKU:GDP210021
Regular price $59.95 USDRegular priceUnit price / per$0.00 USDSale Price $59.95 USD -
Motorcraft Engine Control Module - Unlocked (ECM) (2020-2022 Powerstroke 6.7L)
Vendor:DIESELR TuningSKU:LC3Z12A650KANP
Regular price $1,211.67 USDRegular priceUnit price / per$0.00 USDSale Price $1,211.67 USD -
DIESELR Downpipe Back Exhaust - Single (2020-2023 GM 2500/3500 6.6L Duramax L5P)
Vendor:DIESELR TuningSKU:255-01400
Regular price From $490.00 USDRegular priceUnit price / per -
OBDII CSP-5 Switch (2006-2021 Cummins MM3 & EFI ONLY) (2017-2023 Duramax L5P)
Vendor:GDPSKU:GDP610011
Regular price $84.95 USDRegular priceUnit price / per$0.00 USDSale Price $84.95 USD -
5 Position Switch (2011-2014 Powerstroke)
Vendor:GDPSKU:GDP210019
Regular price $59.95 USDRegular priceUnit price / per$0.00 USDSale Price $59.95 USD -
DIESELR Cat & DPF Race Pipes (2017-2023 GM 2500/3500 6.6L Duramax L5P)
Vendor:DIESELR TuningSKU:255-02402
Regular price $322.00 USDRegular priceUnit price / per -
MM3 Tune Options
Vendor:N/ASKU:mm3_hiss_rumble-1
Regular price $0.00 USDRegular priceUnit price / per$0.00 USDSale Price $0.00 USD -
DIESELR Downpipe/Turbo Back Exhaust - Single (2013-2018 Dodge 2500/3500 6.7L Cummins)
Vendor:DIESELR TuningSKU:355-01501
Regular price From $490.00 USDRegular priceUnit price / per -
4" Stainless Steel Downpipe (2020-2024 6.7L Powerstroke)
Vendor:No Limit FabricationSKU:67SSDP20.
Regular price $299.00 USDRegular priceUnit price / per -
Cooler Upgrade Kit (2010-2024 Cummins - PICKUP)
Vendor:GDPSKU:GDP620003
Regular price $205.85 USDRegular priceUnit price / per -
DIESELR EGR Upgrade Kit (2017-2019 Duramax 6.6L L5P)
Vendor:DIESELR TuningSKU:215-01006
Regular price $237.50 USDRegular priceUnit price / per
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