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Explore 6.7L Cummins Diesel Performance Parts The 6.7L Cummins is a powerhouse inline-6 turbo diesel engine known for its exceptional torque and towing capability in Ram 2500 and 3500 trucks. Built to handle heavy-duty workloads, this engine thrives with upgrades that enhance fuel delivery, turbo efficiency, and overall reliability. At FastHemis, you'll find a wide range of parts tailored specifically for the 6.7L Cummins platform. Whether you're looking to improve towing performance, increase power output, or optimize fuel economy, our selection includes tuning solutions, intake and exhaust upgrades, turbo components, and fuel system enhancements designed to support your diesel’s demanding needs. Key upgrade options for your 6.7L Cummins Diesel: - Performance tuners and programmers - High-flow intake and exhaust systems - Turbocharger upgrades and components - Fuel system enhancements for better delivery - Cooling and intercooler upgrades Shop 6.7L Cummins diesel upgrades at FastHemis.
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6127 Results

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
4.8 (8)

Regular price $535.95 $475.95 11% off

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American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
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American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

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DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport
5.0 (3)

Regular price $818.95 $727.95 11% off

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Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)
Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)

Mishimoto Aluminum Radiator: Dodge Durango / Jeep Grand Cherokee 2011 - 2023 (3.6L V6, 5.7L Hemi & 6.4L SRT)

Mishimoto
5.0 (1)

Regular price $841.00 $764.95 9% off

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Eibach Pro-Kit Lowering Springs: Dodge Durango / Jeep Grand Cherokee 2WD / 4WD 2011 - 2025
Eibach Pro-Kit Lowering Springs: Dodge Durango / Jeep Grand Cherokee 2WD / 4WD 2011 - 2025

Eibach Pro Kit Perf Springs: Fits Jeep Grand Cherokee 2011-21 3.6L / Durango R/T 5.7L 2015-23

Eibach
5.0 (3)

Regular price $438.89 $395.00 10% off

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DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

Diablo Sport
4.5 (2)

Regular price $535.95 $475.95 11% off

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American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
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American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $535.95 $475.95 11% off

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American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
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American Brother Designs Radiator Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs
5.0 (1)

Regular price $109.00 $59.00 46% off

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American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
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American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram

American Brother Designs
5.0 (1)

Regular price $76.00 $56.00 26% off

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American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
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American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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PPE Battery Heat Shield: Ram 1500 / 2500 / 3500 (16-25)
PPE Battery Heat Shield: Ram 1500 / 2500 / 3500 (16-25)
usa
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2019 - 2022
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2019 - 2022

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2019 - 2022

Amerihood
5.0 (1)

Regular price $900.00 $696.00 23% off

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Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008
Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood
4.0 (1)

Regular price $878.42 $694.36 21% off

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Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

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Fast Hemis One-Click Stage 1 Kit: 2006-2010 Dodge Charger 3.5L V6 (+39HP)
Fast Hemis One-Click Stage 1 Kit: 2006-2010 Dodge Charger 3.5L V6 (+39HP)

Ripp Hi-Perf Coil Packs: Fits Dodge / Chrysler / Jeep V8 (02-26)

Ripp

from $489.46

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6 colors
  • HEMI Orange
  • Plum Crazy
  • Sublime Green
  • Steel Gray
  • Mopar Blue
  • +1 more
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2019 - 2022

Amerihood

Regular price $900.00 $696.00 23% off

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Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2019 - 2022
Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2019 - 2022

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2019 - 2022

Amerihood

Regular price $900.00 $696.00 23% off

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Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018
Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood

Regular price $878.42 $694.36 21% off

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per 

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

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S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2019 - 2024 (2500 / 3500)
S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2019 - 2024 (2500 / 3500)
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S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2019 - 2024 (2500 / 3500)

S&B Filters

Regular price $429.99 $379.00 12% off

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2 filter types
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport

Regular price $818.95 $727.95 11% off

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American Brother Designs Master Cylinder Cap: Dodge Durango (16-25), Jeep Grand Cherokee (16-21)
American Brother Designs Master Cylinder Cap: Dodge Durango (16-25), Jeep Grand Cherokee (16-21)
usa

American Brother Designs Master Cylinder Cap: Dodge Durango (16-25), Jeep Grand Cherokee (16-21)

American Brother Designs

Regular price $109.00 $59.00 46% off

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Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2024 (All Models)
Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2024 (All Models)
Eibach Rear Camber Arm Kit: Dodge Durango (18-24) & Jeep Grand Cherokee (18-21)
Eibach Rear Camber Arm Kit: Dodge Durango (18-24) & Jeep Grand Cherokee (18-21)

Eibach Rear Camber Arm Kit: Dodge Durango (18-24) & Jeep Grand Cherokee (18-21)

Eibach
5.0 (2)

Regular price $554.44 $499.00 10% off

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Bilstein B6 4600 Rear Shock (REAR): Jeep Grand Cherokee (11-21) / Dodge Durango (11-26)
Bilstein B6 4600 Rear Shock (REAR): Jeep Grand Cherokee (11-21) / Dodge Durango (11-26)

Bilstein B6 4600 Rear Shock (REAR): Jeep Grand Cherokee (11-21) / Dodge Durango (11-26)

Bilstein

Regular price $136.85 $92.00 33% off

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Amerihood SRT Functional Ram Air Hood: Dodge Ram 1500 2019 - 2023
Amerihood SRT Functional Ram Air Hood: Dodge Ram 1500 2019 - 2023

Amerihood SRT Functional Ram Air Hood: Dodge Ram 1500 2019 - 2023

Amerihood

Regular price $850.00 $655.00 23% off

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Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 ; Ram 1500 2011 - 2018
Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 ; Ram 1500 2011 - 2018

Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood

Regular price $929.24 $737.92 21% off

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Diablo Sport PredatorX Perf Tuner: Fits Ram / Jeep / Dodge / Chrysler (11-26)
Diablo Sport PredatorX Perf Tuner: Fits Ram / Jeep / Dodge / Chrysler (11-26)

Diablo Sport PredatorX Perf Tuner: Fits Ram / Jeep / Dodge / Chrysler (11-26)

Diablo Sport

Regular price $483.95 $429.95 11% off

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Spec D Passenger Mirror w/ Turn & Puddle Light (PASS): Ram 2500 / 3500 (19-26) - Black
Spec D Passenger Mirror w/ Turn & Puddle Light (PASS): Ram 2500 / 3500 (19-26) - Black

Spec D Passenger Mirror w/ Turn & Puddle Light (PASS): Ram 2500 / 3500 (19-26) - Black

Spec D

Regular price $220.00 $163.00 26% off

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per 

American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025
American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025
usa

American Brother Designs Coolant Reservoir Cover: Ram 1500 2019 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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Performance Parts for Your 6.7L Cummins Diesel Engine

The 6.7L Cummins diesel engine is renowned for its incredible torque and heavy-duty towing capability in Ram 2500 and 3500 trucks. Designed to endure demanding workloads, this inline-6 turbo diesel thrives on upgrades that improve fuel delivery, turbo efficiency, and overall engine reliability.

How Diesel Performance Upgrades Enhance Your 6.7L Cummins

Upgrading key components on your 6.7L Cummins can unlock better power delivery, improved throttle response, and increased durability under load. Performance tuners optimize engine calibration for your specific setup, while intake and exhaust upgrades reduce restrictions and improve airflow. Turbocharger enhancements further boost efficiency and spool time, essential for towing and hauling.

  • Performance tuners tailor fueling and timing for maximum torque
  • High-flow intake systems increase air volume to the engine
  • Exhaust upgrades reduce backpressure and lower exhaust gas temperatures
  • Turbocharger components improve boost response and reliability
  • Fuel system enhancements ensure consistent delivery under high demand

Choosing the Right Upgrades for Towing Versus Power

When selecting upgrades for your 6.7L Cummins, it’s important to balance towing needs with power goals. Towing-focused builds benefit from cooling and fuel system improvements that maintain reliability during extended heavy loads. Performance builds often prioritize turbo upgrades and tuning to maximize horsepower and torque for acceleration and hauling.

Supporting Modifications to Maximize Your 6.7L Cummins Diesel

To get the most from your diesel upgrades, consider supporting modifications that enhance engine longevity and efficiency. Cooling system and intercooler upgrades help manage intake air temperatures, while fuel delivery components maintain consistent pressure and volume. Explore the full range of 6.7L Cummins diesel performance parts at FastHemis to build a setup tailored to your driving and towing demands.

SELECT YOUR VEHICLE