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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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6131 Results

Mishimoto Thermal Bypass Valve Kit (FRONT): Fits Chrysler/Dodge/Jeep/Ram 2006-2019 NAG1
Mishimoto Thermal Bypass Valve Kit (FRONT): Fits Chrysler/Dodge/Jeep/Ram 2006-2019 NAG1

Mishimoto Thermal Bypass Valve Kit (FRONT): Fits Chrysler/Dodge/Jeep/Ram 2006-2019 NAG1

Mishimoto

Regular price $164.00 $148.95 9% off

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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

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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)
Amerihood SRT Functional Ram Air Hood: Ram 3500 2019 - 2025
Amerihood SRT Functional Ram Air Hood: Ram 3500 2019 - 2025

Amerihood SRT Functional Ram Air Hood: Dodge Ram 3500 2019 - 2023

Amerihood

Regular price $1,098.24 $843.92 23% off

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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

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Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021
Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021

Amerihood Hellcat Functional Ram Air Hood: Jeep Grand Cherokee 2011 - 2021

Amerihood

Regular price $600.00 $534.00 11% off

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Spec D Euro Head Lights (Black): Dodge Ram 2006 - 2008
Spec D Euro Head Lights (Black): Dodge Ram 2006 - 2008

Spec D Euro Head Lights (Black): Dodge Ram 2006 - 2008

Spec D

Regular price $158.00 $117.00 26% off

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Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L

Brembo OE PRIME UV Coated Front Disc Brake Kit 330mm (FRONT): Jeep Grand Cherokee / Durango 2011-2020 3.6L/5.7L

Brembo OE

$332.85

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Stopping Power
Performance Over Stock
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014
DiabloSport inTune i3 Programmer: Jeep Grand Cherokee / Wrangler / Commander 2005 - 2014

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

Diablo Sport

Regular price $535.95 $475.95 11% off

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Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling
Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling

Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling

Bilstein

Regular price $136.85 $92.00 33% off

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

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

Spec D

Regular price $231.00 $171.00 26% off

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Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome
Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D Manual-Fold Driver Mirror w/ Turn & Puddle Light (LEFT): Ram 2500 / 3500 (19-26) - Chrome

Spec D

Regular price $231.00 $171.00 26% off

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Spec D Passenger Mirror w/ Turn & Puddle Light (MANUAL-FOLD, Chrome): Ram 1500 (19-24)
Spec D Passenger Mirror w/ Turn & Puddle Light (MANUAL-FOLD, Chrome): Ram 1500 (19-24)

Spec D Passenger Mirror w/ Turn & Puddle Light (MANUAL-FOLD, Chrome): Ram 1500 (19-24)

Spec D

Regular price $281.00 $208.00 26% off

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Spec D Factory Style Fender Flares (Smooth Black, 4pc): Dodge Ram 1500 2009 - 2018
Spec D Factory Style Fender Flares (Smooth Black, 4pc): Dodge Ram 1500 2009 - 2018

Spec D Factory Style Fender Flares (Smooth Black, 4pc): Dodge Ram 1500 2009 - 2018

Spec D

Regular price $146.00 $108.00 26% off

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Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018
Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018

Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018

Spec D

Regular price $144.00 $107.00 26% off

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Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018
Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D

Regular price $396.00 $293.00 26% off

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HPS Silicone Radiator Hoses Kit: Dodge Ram 2500 & 3500 6.7L Diesel 2010 - 2012
HPS Silicone Radiator Hoses Kit: Dodge Ram 2500 & 3500 6.7L Diesel 2010 - 2012

HPS Silicone Radiator Hoses Kit: Dodge Ram 2500 & 3500 6.7L Diesel 2010 - 2012

HPS

Regular price $278.30 $242.00 13% off

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3 colors
  • Red
  • Blue
  • Black
Maxtrac Twin Tube Gas Rear Shock Absorber 2in Lift: Fits Most Dodge / Ram Models (1994-2018)
usa

Maxtrac Twin Tube Gas Rear Shock Absorber 2in Lift: Fits Most Dodge / Ram Models (1994-2018)

Maxtrac

Regular price $70.05 $60.50 14% off

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MaxTrac Twin Tube Gas Front Shock Absorber 2in Lift: Fits Most Dodge / Ram 1500 Models (2002-2018)
usa
AlphaRex Wiring Adapter: Ram 1500 (13-18)
AlphaRex Wiring Adapter: Ram 1500 (13-18)

AlphaRex Wiring Adapter: Ram 1500 (13-18)

AlphaRex

$49.38

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APS W Series Electric Running Boards (Pair) Crew Cab: Ram 1500 2019 - 2024
APS W Series Electric Running Boards (Pair) Crew Cab: Ram 1500 2019 - 2024

APS W Series Electric Running Boards (Pair) Crew Cab: Ram 1500 2019 - 2024

APS

Regular price $1,514.11 $1,211.29 20% off

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APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005
APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005

APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005

APS

Regular price $55.13 $44.10 20% off

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Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015
Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015
usa

Kooks 02 Sensor Extensions: RAM 1500 HEMI 2009 - 2015

Kooks Headers

Regular price $39.61 $35.65 10% off

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American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango, Jeep Grand Cherokee, Jeep Wagoneer, Ram
American Brother Designs Coolant Reservoir Cap Cover: Dodge Durango, Jeep Grand Cherokee, Jeep Wagoneer, Ram
usa

American Brother Designs Coolant Reservoir Cap Cover: Fits Jeep / Dodge / Ram (09-26)

American Brother Designs

Regular price $109.00 $59.00 46% off

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3D MAXpider ACE Kagu Front Floormats (Black): Dodge Durango (13-25) / Jeep Grand Cherokee (14-21)
3D MAXpider ACE Kagu Front Floormats (Black): Dodge Durango (13-25) / Jeep Grand Cherokee (14-21)

3D MAXpider ACE Kagu Front Floormats (Black): Dodge Durango (13-25) / Jeep Grand Cherokee (14-21)

3D MAXpider

Regular price $131.94 $124.99 5% off

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Amerihood SRT Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023
Amerihood SRT Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023

Amerihood SRT Style Functional Ram Air Hood: Dodge Ram 2500 2019 - 2023

Amerihood

Regular price $900.00 $696.00 23% off

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Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018
Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018

Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018

Amerihood

Regular price $900.00 $696.00 23% off

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per 

DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

DiabloSport Predator 2 Tuner: Dodge Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

Diablo Sport
5.0 (2)

Regular price $532.95 $369.00 31% off

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per 

Amerihood SSK Functional Ram Air Hood: Ram 1500 2019 (CLASSIC BODY STYLE)
Amerihood SSK Functional Ram Air Hood: Ram 1500 2019 (CLASSIC BODY STYLE)

Amerihood SSK Functional Ram Air Hood: Ram 1500 2019 (CLASSIC BODY STYLE)

Amerihood
5.0 (1)

Regular price $878.42 $694.36 21% off

Unit price
per 

S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2013 - 2018 (2500 / 3500)
S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2013 - 2018 (2500 / 3500)
usa

S&B Cold Air Intake: Ram 6.7L Cummins Diesel 2013 - 2018 (2500 / 3500)

S&B Filters

Regular price $429.99 $379.00 12% off

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2 filter types
S&B Cold Air Intake: Ram 3.0L EcoDiesel 1500 2014 - 2018
S&B Cold Air Intake: Ram 3.0L EcoDiesel 1500 2014 - 2018
usa

S&B Cold Air Intake: Ram 3.0L EcoDiesel 1500 2014 - 2018

S&B Filters

Regular price $429.99 $379.00 12% off

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per 

2 filter types
S&B Cold Air Intake: Jeep Wrangler 3.0L EcoDiesel 2020 - 2023
S&B Cold Air Intake: Jeep Wrangler 3.0L EcoDiesel 2020 - 2023
usa

S&B Cold Air Intake: Jeep Wrangler 3.0L EcoDiesel 2020 - 2023

S&B Filters
5.0 (1)

Regular price $429.99 $379.00 12% off

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per 

2 filter types
Spec D LED Projector Headlights (Black): Dodge Ram 2009 - 2018
Spec D LED Projector Headlights (Black): Dodge Ram 2009 - 2018

Spec D LED Projector HeadLights (Black): Dodge Ram 2009 - 2016

Spec D

Regular price $324.00 $240.00 26% 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