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.
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.
-
Vendor:DIESELR Corp
DieselR All In One Kit
6.6L L5P GM Duramax(2024-2025)
Regular price From $4,560.90 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
6.7L Ford Powerstroke(2023-2025)
Regular price From $2,925.85 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit w/ EZ Lynk
6.7L Ford Powerstroke(2020-2022)
Regular price From $2,269.00 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
6.6L L5P GM Duramax(2017-2023)
Regular price From $2,291.18 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
3.0L LM2 GM Duramax(2020-2022)
Regular price $3,020.10 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
6.7L Dodge/Ram Cummins *68RFE Only*(2022-2024)
Regular price From $2,840.98 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
6.7L Dodge/Ram Cummins(2013–2018)
Regular price From $1,833.00 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
6.6L LML GM Duramax(2011-2016)
Regular price From $1,785.25 USDUnit price per -
Commander All In One Kit (Basic)Vendor:DIESELR CorpDieselR All In One Kit w/ Commander
6.7L Ford Powerstroke(2020-2021)
Regular price From $2,126.85 USDUnit price per -
Vendor:DIESELR Corp
DieselR All In One Kit
6.7L Dodge/Ram Cummins(2019–2021)
Regular price From $1,865.00 USDUnit price per
The Best Tuners paired with Tuning from the Best in the Game
The best tune files on the planet—dyno-tested, real-world proven. Get power, torque, and drivability built by the best tuners in the game.
-
Vendor:GDP
EZ Lynk Auto Agent 3 w/ GDP Support Pack
Ford Powerstroke Models ()
Fits:6.7L Ford Powerstroke6.4L Ford Powerstroke (Cab & Chassis)6.4L Ford Powerstroke3.0L Ford PowerstrokeGM Duramax Models ()
Fits:6.6L L5P GM Duramax6.6L LML GM DuramaxDodge/Ram Cummins Models ()
Fits:6.7L Dodge/Ram Cummins6.7L Dodge/Ram Cummins *AISIN Only*5.0L Nissan Cummins
Regular price From $1,129.00 USDUnit price per -
Commander Tuning BundleVendor:GDPCommander Device with GDP Tune Files
Ford Powerstroke Models (2020+)
Fits:2020-2024 6.7L Ford PowerstrokeGM Duramax Models (2017+)
Fits:2017-2023 6.6L L5P GM Duramax
Regular price $2,099.00 USDUnit price per -
Commander Tuning BundleVendor:GDPGDP Commander W/GDP Single
Ford Powerstroke Models (2020+)
Fits:2020-2024 6.7L Ford PowerstrokeGM Duramax Models (2017+)
Fits:2017-2023 6.6L L5P GM Duramax
Regular price $1,699.00 USDUnit price per -
Vendor:GDP
GDP Commander W/GDP Support Pack -Single
6.7L Ford Powerstroke(2023-2025)
Regular price $2,200.00 USDUnit price per -
Vendor:GDP
MPVi3 Device with GDP Tune Files
6.6L L5P GM Duramax(2017-2023)
Regular price $1,699.00 USDUnit price per -
Vendor:GDP
SCT X4 W/GDP Support Pack
6.7L Ford Powerstroke(2020-2021)
Regular price $1,960.00 USDUnit price per -
MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files
6.6L L5P GM Duramax(2017-2023)
Regular price $2,099.00 USDUnit price per -
MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files
2.8L LWN GM Duramax(2017-2021)
Regular price $1,200.00 USDUnit price per -
MM3 Tuning BundleVendor:GDPMM3 Device with GDP Tune Files
6.7L Dodge/Ram Cummins(2007.5-2021)
Regular price $1,410.00 USDUnit price per -
Vendor:DIESELR Tuning
SCT X4 with DIESELR Tune Files
6.7L Ford Powerstroke(2020-2021)
Regular price $1,960.00 USDUnit price per -
Vendor:Chaos Custom Tuning
SCT X4 with CCT Tune Files
6.7L Ford Powerstroke(2020-2021)
Regular price $1,960.00 USDRegular priceUnit price per$0.00 USDSale price $1,960.00 USD -
Vendor:GDP
EZ Lynk Device with GDP Tune Files
3.0L Ram EcoDiesel(2014-2019)
Regular price $1,499.00 USDUnit price per -
MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files
2.8L LWN GM Duramax(2016)
Regular price $1,100.00 USDUnit price per -
MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files
EcoDiesel Models (2014-2019)
Fits:2014-2018 3.0L Jeep EcoDiesel2014-2019 3.0L Ram EcoDiesel
Regular price $1,200.00 USDUnit price per -
MM3 Tuning BundleVendor:GDPMM3 Touch Display and MM3 Controller with GDP Tune Files
6.7L Ford Powerstroke(2011-2019)
Regular price $1,360.00 USDUnit price per
-
Vendor:DIESELR Tuning
DIESELR MPVi3 Tune Files
6.6L L5P GM Duramax(2024-2025)
Regular price $1,800.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.7L Ford Powerstroke(2023-2025)
Regular price From $650.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.7L Ford Powerstroke(2020-2022)
Regular price From $650.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.7L Dodge/Ram Cummins(2013-2018)
Regular price From $700.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.7L Ford Powerstroke(2017-2019)
Regular price From $700.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.7L Ford Powerstroke(2011-2016)
Regular price From $700.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR MPVi3 Tune Files
6.6L L5P GM Duramax(2017-2019)
Regular price From $825.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.6L LML GM Duramax(2011-2016)
Regular price From $700.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR EZ Lynk Tune Files
6.7L Dodge/Ram Cummins(2019-2021)
Regular price From $700.00 USDUnit price per -
-
Vendor:GDP
GDP EZ Lynk Lifetime Support Pack (Ford/GM/Ram)
Regular price $1,000.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR MPVi3 Tune Files
6.6L L5P GM Duramax(2020-2023)
Regular price From $825.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR MM3 Tune Files
6.7L Dodge/Ram Cummins(2010-2018)
Regular price $550.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR Commander Tune Files
6.7L Ford Powerstroke(2020-2021)
Regular price From $550.00 USDUnit price per -
Vendor:DIESELR Tuning
DIESELR MPVi3 Tune Files
6.7L Dodge/Ram Cummins(2022)
Regular price From $1,000.00 USDUnit price per
-
Vendor:HP Tuners
HP Tuners GM E42 ECM Global B Upgrade Service
6.6L L5P GM Duramax(2024-2025)
Regular price $999.99 USDRegular priceUnit price per$0.00 USDSale price $999.99 USD -
Vendor:S&S Diesel Motorsport
CP4 to DCR Pump Conversion Kit
6.7L Ford Powerstroke(2011-2025)
Join the WaitlistRegular price $2,400.00 USDRegular priceUnit price per$1,990.00 USDSale price $2,400.00 USD -
Vendor:Mopar
Mopar ECM (2019-2021) Ideal for (For 2022-2024 ECM Swap)
6.7L Dodge/Ram Cummins(2019-2024)
Regular price $3,595.00 USDUnit price per -
Vendor:EZ Lynk
EZ Lynk Auto Agent 3 - BLANK
Regular price $549.00 USDRegular priceUnit price per$0.00 USDSale price $549.00 USD -
Vendor:Dieselr Parts
4-inch or 5-inch Downpipe Back Exhaust - Single (F250/F350)
6.7L Ford Powerstroke(2011-2025)
Regular price From $494.00 USDUnit price per -
Vendor:Dieselr Parts
3.5" Downpipe
6.6L L5P GM Duramax(2017-2025)
Regular price $334.75 USDUnit price per -
-
Vendor:Dieselr Parts
Cat & DPF Race Pipe
6.7L Ford Powerstroke(2011-2025 )
Regular price $325.00 USDUnit price per -
Vendor:Dieselr Parts
4-inch or 5-inch Downpipe Back Exhaust - Single (2500/3500)
6.6L L5P GM Duramax(2017-2019)
Regular price From $481.65 USDUnit price per -
-
Vendor:GDP
Rotary Switch Bracket (2017-2022 6.7L Ford Powerstroke)
Regular price $25.00 USDUnit price per -
Vendor:GDP
GDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P GM Duramax)
Regular price $1,000.00 USDUnit price per -
-
Vendor:DIESELR Tuning
EZ Lynk Full Support (Lifetime) Upgrade
Regular price $350.00 USDUnit price per -
Vendor:Dieselr Parts
4-inch or 5-inch Downpipe Back Exhaust - Single
6.7L Dodge/Ram Cummins(2019+)
Regular price From $494.00 USDUnit price per
-
Help Center
Visit The Help Center🛠 Expert Support, Whenever You Need It
Got questions? Our Help Center has the answers. From tuning guides to troubleshooting, we’re here to help you get the most out of your diesel.✅ 24/7 Knowledge Base
✅ Fast & Friendly Support
✅ Step-by-Step Guides -
Secure Payments
Shop with Confidence🔒 Fast, Secure & Trusted Payments
We use encrypted payment processing for safe and hassle-free checkout. Your data stays protected, and your order is secure—every time.✅ Major Credit & Debit Cards Accepted
✅ PayPal, Apple Pay, Google Pay
✅ SSL Encrypted Transactions -
Shipping & Delivery
See our Shipping Policy🚚 Fast, Reliable Delivery—Every Time
We ship nationwide with tracking on every order. Whether you need it fast or cost-effective, we’ve got the right option for you so rest easy.✅ Express & Standard Shipping
✅ Real-Time Tracking
✅ Trusted Carriers
Shop Our Featured Brands
Discover collections by our bestselling featured Diesel Performance Tuning brands.
Chaos Custom Tuning
EFI Live
EZ Lynk
DieselR Tuning
Katz Azz
Polar Diesel
Calibrated Power
SCT
FASS Fuel Systems
GDP
S&S Diesel Motorsport
ATS Diesel Performance
MM3
Chaos Custom Tuning
EFI Live
EZ Lynk
DieselR Tuning
Katz Azz
Polar Diesel
Calibrated Power
SCT
FASS Fuel Systems
GDP
S&S Diesel Motorsport
ATS Diesel Performance
MM3
Browse By Category
View all-
Newest Products
Stay ahead of the curve with DIESELR's newest additions to our diesel...
-
All-In-One Kits
If you're building a diesel truck the right way, this is where...
