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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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6441 Results

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant
5.0 (1)

Regular price from $22.99 25% off

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per 

Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Ram / Jeep 6.4L 392 2011 - 2025
usa

Cometic MLS Head Gaskets (4.120" Bore): Chrysler / Dodge / Jeep 6.4L 392 2011 - 2024

Cometic Gasket
5.0 (3)

Regular price from $96.54 Up to 10% off

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per 

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 Most Dodge/Jeep 5.7L/3.6L/3.0L EcoDiesel (11-26)

Eibach
5.0 (3)

Regular price $438.89 $395.00 10% off

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per 

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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per 

Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
Kooks Stage 8 Header Bolt Kit: Fits 05-24 HEMI 5.7L VVT / 6.1L / 6.4L 392 / 6.2L
usa

Kooks Stage 8 Header Bolt Kit: Fits Most Chrysler/Dodge/Jeep/Ram (05-20)

Kooks Headers

Regular price $75.80 $68.22 10% 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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per 

BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
usa

BBK O2 Sensor Wiring Extension Kit: Fits Most Chrysler/Dodge/Jeep (96-23) (Excl 2019+ Ram)

BBK
5.0 (1)

Regular price $89.99 $69.99 22% off

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per 

DBA Slotted Front Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021
DBA Slotted Front Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021

DBA Slotted Front Brake Rotors: Fits Most Dodge/Jeep (12-20)

DBA

Regular price $464.43 $392.98 15% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
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 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 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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per 

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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per 

DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)

DeatschWerks 42lb Fuel Injectors: Fits Most Dodge/Ram (03-24)

Deatschwerks

$439.00

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per 

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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per 

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

Unit price
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

Unit price
per 

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)
usa

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
DBA Slotted Rear Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021
DBA Slotted Rear Brake Rotors: Jeep Grand Cherokee SRT 2012 - 2021

DBA Slotted Rear Brake Rotors: Fits Most Dodge/Jeep (12-20)

DBA

Regular price $361.45 $305.84 15% off

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per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
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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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): Fits Most Dodge/Jeep 6.4L/5.7L/3.6L/3.0L EcoDiesel (11-15)

Bilstein

Regular price $136.85 $92.00 33% off

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per 

K&N Cabin Filter: Dodge Durango (11-25) / Jeep Grand Cherokee (11-21)
K&N Cabin Filter: Dodge Durango (11-25) / Jeep Grand Cherokee (11-21)

K&N Cabin Filter: Fits Most Dodge/Jeep (11-25)

K&N Engineering

$38.39

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per 

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: Fits Most Dodge/Jeep (11-26)

Eibach
5.0 (2)

Regular price $554.44 $499.00 10% off

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per 

Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
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)
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

Unit price
per 

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

Unit price
per 

Amerihood CLG Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 / Ram 1500 2011 - 2018
Amerihood CLG Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 / Ram 1500 2011 - 2018

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

Amerihood
5.0 (2)

Regular price $878.42 $694.36 21% off

Unit price
per 

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 

AFE Air Filter: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (All Models)
AFE Air Filter: Dodge Durango / Jeep Grand Cherokee 2011 - 2025 (All Models)
usa
Stainless Works Long Tube Headers and Mid Pipes: Dodge Ram 1500 / Ram 1500 / Ram 2500 / Ram 3500
Stainless Works Long Tube Headers and Mid Pipes: Dodge Ram 1500 / Ram 1500 / Ram 2500 / Ram 3500
usa

Stainless Works Long Tube Headers & Mid Pipes: Fits Most Dodge/Ram (09-18)

Stainless Works
5.0 (1)

Regular price from $2,560.25 Up to 5% off

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per 

APS Polished Stainless Upper Billet Grille: Ram 2500 & 3500 2013 - 2018
APS Polished Stainless Upper Billet Grille: Ram 2500 & 3500 2013 - 2018

APS Polished Stainless Upper Billet Grille: Ram 2500 & 3500 2013 - 2018

APS

Regular price $179.72 $143.78 20% off

Unit price
per 

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