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Shop 6.7L Diesel

Upgrade Your 6.7L Cummins Diesel The 6.7L Cummins Diesel is a powerhouse inline-6 turbocharged engine built for heavy-duty performance in Ram 2500 and 3500 trucks. Known for its exceptional torque and towing capability, this engine demands parts that enhance reliability and maximize power potential under demanding conditions. At FastHemis, you’ll find a wide range of performance parts tailored specifically for the 6.7L Cummins. From advanced tuning solutions and high-flow intake systems to exhaust upgrades and turbocharger enhancements, each product is designed to improve fuel efficiency, boost response, and increase overall durability. Key upgrade options for your 6.7L Cummins Diesel include: - Performance tuners and programmers for optimized power - Intake and exhaust systems to improve airflow and reduce backpressure - Turbocharger upgrades and supporting hardware - Fuel system enhancements for better delivery and efficiency - Cooling components to maintain engine temps under load Shop 6.7L Cummins Diesel upgrades at FastHemis.
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2050 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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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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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
usa

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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per 

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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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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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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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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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
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 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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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

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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 

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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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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per 

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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per 

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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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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per 

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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per 

3 colors
  • Red
  • Blue
  • Black
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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per 

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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per 

Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006
Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006

Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006

Spec D

Regular price $84.00 $62.00 26% off

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per 

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 (94-24)

Maxtrac

Regular price $70.05 $60.50 14% off

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per 

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

Unit price
per 

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

Unit price
per 

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

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

Unit price
per 

2 filter types
Baer 15" Extreme Front Big Brake Kit: Dodge Ram 1500 2002 - 2023
Baer 15" Extreme Front Big Brake Kit: Dodge Ram 1500 2002 - 2023
usa

Baer 15" Extreme Front Big Brake Kit: Dodge Ram 1500 2002 - 2023

Baer

Regular price from $3,935.00 9% off

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Washer Fluid Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

Performance Upgrades for Your 6.7L Cummins Diesel

The 6.7L Cummins Diesel engine is renowned for its exceptional torque and durability, powering Ram 2500 and 3500 trucks through the toughest towing and hauling tasks. To maintain and enhance this legendary performance, selecting the right upgrades tailored specifically for the 6.7L platform is essential.

How intake and exhaust upgrades improve your 6.7L Cummins performance

Optimizing airflow is critical for the 6.7L Cummins to maximize turbo efficiency and power delivery. Upgrading to high-flow intake systems reduces restriction and allows cooler air into the engine, while performance exhaust components minimize backpressure and help the turbo spool faster. Together, these upgrades improve throttle response, fuel economy, and overall engine durability.

  • High-flow air filters and intake tubes for better airflow
  • Downpipes and exhaust systems designed to reduce backpressure
  • Durable materials to withstand diesel exhaust temperatures
  • Improved turbocharger response and efficiency

Choosing the right tuning and fuel system upgrades for your Cummins

Tuning solutions and fuel system enhancements are key to unlocking the full potential of your 6.7L Cummins Diesel. Programmers optimize engine parameters for power and efficiency, while upgraded injectors and fuel pumps ensure consistent delivery under high load. Proper calibration paired with fuel upgrades supports reliable power gains without sacrificing longevity.

Find the best 6.7L Cummins Diesel parts at FastHemis

Whether you’re aiming to improve towing capability, increase horsepower, or boost reliability, FastHemis offers a comprehensive selection of performance parts designed for the 6.7L Cummins Diesel. Explore our range of tuners, intake kits, exhaust components, and turbo upgrades to build a truck that meets your toughest demands.

SELECT YOUR VEHICLE