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

2024–2025 GM Duramax L5P Custom Tuning is HERE!!!
+125 HP - Built for HP Tuners RTD4. Tested on real trucks. No Speed Limiter. Clean Power.
The ONLY tune file for this truck in the world — and it’s ready to go.

2023–2025 Ford Powerstroke EZ Lynk SOTF Tune Files
No ECM swap. No throttle lag. Just raw drivability, SOTF control, and up to +130HP — real-world dyno proven.

Get Your 2024–2025 L5P GM Duramax Tuning-Ready
Dieselr's Mail-in ECM upgrade powered by HP Tuners. No guesswork. No wait when our custom tuning drops.

EZ Lynk Tuning for 2020–2022 Ford Powerstroke 6.7L
⚡ Full Custom Calibrations. No ECM Swap Needed. Real custom tuning is here. Flash ECM & TCM tunes right from your phone — no stock limits, no swap delays. Just clean power, built your way.
Shop No Limit Fabrication parts and get automatic entries for every $5.
 
              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
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
2022-2024 Dodge Ram Cummins 6.7L
Mopar ECM for Swapping and Tuning 2019-2024 Cummins 6.7L Engines
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 CorpDieselR All In One Kit6.6L L5P GM Duramax(2024-2026)
 Regular price From $4,560.90 USDUnit price / perNEW LAUNCH
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit6.7L Ford Powerstroke(2023-2025)
 Regular price From $2,869.00 USDUnit price / perNEW LAUNCH
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit w/ EZ Lynk6.7L Ford Powerstroke(2020-2022)
 Regular price From $2,269.00 USDUnit price / perNEW LAUNCH
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit w/ MPVi36.6L L5P GM Duramax(2017-2023)
 Regular price From $2,291.18 USDUnit price / per
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit3.0L LM2 GM Duramax(2020-2022)
 Regular price $3,020.10 USDUnit price / per
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit6.7L Dodge/Ram Cummins *68RFE Only*(2022-2024)
 Regular price From $2,790.98 USDUnit price / per
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit6.7L Dodge/Ram Cummins(2013–2018)
 Regular price From $1,783.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit6.6L LML GM Duramax(2011-2016)
 Regular price From $1,764.00 USDUnit price / per
- 
            
  
  
  
  
     Commander All In One Kit (Basic)Vendor:DIESELR Corp Commander All In One Kit (Basic)Vendor:DIESELR CorpDieselR All In One Kit w/ Commander6.7L Ford Powerstroke(2020-2021)
 Regular price From $2,070.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:DIESELR CorpDieselR All In One Kit6.7L Dodge/Ram Cummins(2019–2021)
 Regular price From $1,815.00 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:GDPEZ Lynk Auto Agent 3 w/ GDP Support PackFord 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:GDP Commander Tuning BundleVendor:GDPCommander Device with GDP Tune FilesFord 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:GDP Commander Tuning BundleVendor:GDPGDP Commander W/GDP SingleFord 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:GDPGDP Commander W/GDP Support Pack -Single6.7L Ford Powerstroke(2023-2025)
 Regular price $2,200.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:GDPMPVi3 Device with GDP Tune Files6.6L L5P GM Duramax(2017-2023)
 Regular price $1,699.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:GDPSCT X4 W/GDP Support Pack6.7L Ford Powerstroke(2020-2021)
 Regular price $1,960.00 USDUnit price / per
- 
            
  
  
  
  
     MPVi3 Tuning BundleVendor:GDP MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files6.6L L5P GM Duramax(2017-2023)
 Regular price $2,099.00 USDUnit price / per
- 
            
  
  
  
  
     MPVi3 Tuning BundleVendor:GDP MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files2.8L LWN GM Duramax(2017-2021)
 Regular price $1,200.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:DIESELR TuningSCT X4 with DIESELR Tune Files6.7L Ford Powerstroke(2020-2021)
 Regular price $1,960.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:Chaos Custom TuningSCT X4 with CCT Tune Files6.7L Ford Powerstroke(2020-2021)
 Regular price $1,960.00 USDRegular priceUnit price / per$0.00 USDSale price $1,960.00 USD
- 
            
  
  
  
  
  Vendor:GDPEZ Lynk Device with GDP Tune Files3.0L Ram EcoDiesel(2014-2019)
 Regular price $1,499.00 USDUnit price / per
- 
            
  
  
  
  
     MPVi3 Tuning BundleVendor:GDP MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune Files2.8L LWN GM Duramax(2016)
 Regular price $1,100.00 USDUnit price / per
- 
            
  
  
  
  
     MPVi3 Tuning BundleVendor:GDP MPVi3 Tuning BundleVendor:GDPMPVi3 Device with GDP Tune FilesEcoDiesel 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:GDP MM3 Tuning BundleVendor:GDPMM3 Touch Display and MM3 Controller with GDP Tune Files6.7L Ford Powerstroke(2011-2019)
 Regular price $1,360.00 USDUnit price / per
- 
            
  
  
  
  
  Vendor:GDPMPVi3 Device with GDP Tune Files6.7L Dodge/Ram Cummins(2007.5-2012)
 Regular price $948.98 USDUnit price / per
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.
- 
                
  
  
  
  
  Vendor:DIESELR TuningDIESELR MPVi3 Tune Files6.6L L5P GM Duramax(2024-2026)
 Regular price $1,800.00 USDUnit price / perNEW LAUNCH
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.7L Ford Powerstroke(2023-2026)
 Regular price From $650.00 USDUnit price / perNEW LAUNCH
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.7L Ford Powerstroke(2020-2022)
 Regular price From $650.00 USDUnit price / perNEW LAUNCH
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.7L Dodge/Ram Cummins(2013-2018)
 Regular price From $700.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.7L Ford Powerstroke(2017-2019)
 Regular price From $700.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.7L Ford Powerstroke(2011-2016)
 Regular price From $700.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR MPVi3 Tune Files6.6L L5P GM Duramax(2017-2019)
 Regular price From $825.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.6L LML GM Duramax(2011-2016)
 Regular price From $700.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR EZ Lynk Tune Files6.7L Dodge/Ram Cummins(2019-2021)
 Regular price From $700.00 USDUnit price / per
- 
                
  Vendor:GDPGDP EZ Lynk 4-Week Support Pack (Ford/GM/Ram)
 Regular price $700.00 USDUnit price / per
- 
                
  Vendor:GDPGDP EZ Lynk Lifetime Support Pack (Ford/GM/Ram)
 Regular price $1,000.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR MPVi3 Tune Files6.6L L5P GM Duramax(2020-2023)
 Regular price From $825.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR MM3 Tune Files6.7L Dodge/Ram Cummins(2010-2018)
 Regular price $550.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR Commander Tune Files6.7L Ford Powerstroke(2020-2021)
 Regular price From $550.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningDIESELR MPVi3 Tune Files6.7L Dodge/Ram Cummins(2022)
 Regular price From $1,000.00 USDUnit price / per
Top Products
The Diesel Parts That Get the Job Done
Get the performance parts that actually matter for your diesel truck. From intake systems to exhaust components, this collection is built for serious drivability, better airflow, and consistent power delivery. No hype. No fluff. Just real solutions built for trucks that work.
- 
                
  
  
  
  
  Vendor:HP TunersHP Tuners GM E42 ECM Global B Upgrade Service6.6L L5P GM Duramax(2024-2026)
 Regular price $999.99 USDRegular priceUnit price / per$0.00 USDSale price $999.99 USDNEW LAUNCH
- 
                
  
- 
                
  
- 
                
  Vendor:EZ LynkEZ Lynk Auto Agent 3 - BLANK
 Regular price $549.00 USDRegular priceUnit price / per$0.00 USDSale price $549.00 USD
- 
                
     Stainless Steel ExhaustVendor:Dieselr Parts Stainless Steel ExhaustVendor:Dieselr Parts4-inch or 5-inch Downpipe Back Exhaust - Single (F250/F350)6.7L Ford Powerstroke(2011-2025)
 Regular price From $520.00 USDUnit price / perDIESELR STAINLESS
- 
                
  Vendor:Dieselr Parts3.5" Downpipe6.6L L5P GM Duramax(2017-2026)
 Regular price $334.75 USDUnit price / per
- 
                
  Vendor:Edge ProductsInsight CTS3Universal Fitment
 Regular price $499.95 USDRegular priceUnit price / per$0.00 USDSale price $499.95 USD
- 
                
  Vendor:Dieselr PartsCat & DPF Race Pipe6.7L Ford Powerstroke(2011-2025 )
 Regular price $325.00 USDUnit price / perDIESELR STAINLESS
- 
                
   Stainless Steel ExhaustVendor:Dieselr Parts Stainless Steel ExhaustVendor:Dieselr Parts4-inch or 5-inch Downpipe Back Exhaust - Single (2500/3500)6.6L L5P GM Duramax(2017-2019)
 Regular price From $682.50 USDUnit price / perDIESELR STAINLESS
- 
                
  Vendor:Dieselr PartsEGR Valve & Cooler Kit6.7L Dodge/Ram Cummins(2010-2024 )
 Regular price $209.00 USDUnit price / per
- 
                
  Vendor:Dieselr PartsUniversal MufflerUniversal Fitment
 Regular price From $120.00 USDUnit price / per
- 
                
  
- 
                
  Vendor:GDPRotary Switch Bracket (2017-2022 6.7L Ford Powerstroke)
 Regular price $25.00 USDUnit price / per
- 
                
  Vendor:GDPGDP Commander - BLANK (2020+ 6.7L Powerstroke/2017+ L5P GM Duramax)
 Regular price $1,000.00 USDUnit price / per
- 
                
  Vendor:DIESELR TuningEZ Lynk Full Support (Lifetime) Upgrade
 Regular price $350.00 USDUnit price / per
- 
                Help CenterVisit 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 PaymentsShop 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 & DeliverySee 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
          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
        
      
    Browse By Category
View all- 
  Newest ProductsStay ahead of the curve with DIESELR's newest additions to our diesel... 
- 
  All-In-One KitsIf you're building a diesel truck the right way, this is where... 
 
              
               
       
 
 
 
 
 
 
              

 
              

 
              

 
              

 
              
 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              

 
              
 
              

 
              

 
              

 
              
 
              

 
              

 
              
 
              
 
              
 
              
 
              

 
              

 
              

 
      
  
     
           
           
           
           
           
           
           
           
           
           
           
           
           
          