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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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2389 Results

Diablo Sport Performance Programmer and PCM Swap Kit: Ram 2500 / 3500 2018
Diablo Sport Performance Programmer and PCM Swap Kit: Ram 2500 / 3500 2018

Diablo Sport Performance Programmer and PCM Swap Kit: Ram 2500 / 3500 2018

Diablo Sport

Regular price $979.95 $870.95 11% off

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Eibach Pro-Truck Lift Kit (Springs & Shocks): Dodge Ram 2500 2003 - 2009
Eibach Pro-Truck Lift Kit (Springs & Shocks): Dodge Ram 2500 2003 - 2009

Eibach Pro-Truck Lift Kit (Springs & Shocks): Dodge Ram 2500 2003 - 2009

Eibach

Regular price $1,033.33 $930.00 10% off

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Baja Designs Big Horn Fog Pocket Kit: Ram 2500 / 3500 2019-2024 - Clear
usa
Eibach Pro-Truck Lift Kit (Springs & Shocks): Ram 2500 2014 - 2018
Eibach Pro-Truck Lift Kit (Springs & Shocks): Ram 2500 2014 - 2018

Eibach Pro-Truck Lift Kit (Springs & Shocks): Ram 2500 2014 - 2018

Eibach

Regular price $1,033.33 $930.00 10% off

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Wilwood TX6R 6-Piston Rear Big Brake Kit (Red Calipers, Slotted Rotors): Ram 2500 & 3500 2019 - 2025
Wilwood TX6R 6-Piston Rear Big Brake Kit (Red Calipers, Slotted Rotors): Ram 2500 & 3500 2019 - 2025
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Wilwood TX6R 6-Piston Rear Big Brake Kit (Red Calipers, Slotted Rotors): Ram 2500 & 3500 2019 - 2025

Wilwood

Regular price $3,144.62 $2,807.70 11% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Eibach Pro-Lift-Kit Springs (Front & Rear): Dodge Ram 1500 4WD 2009 - 2014
Eibach Pro-Lift-Kit Springs (Front & Rear): Dodge Ram 1500 4WD 2009 - 2014

Eibach Pro-Lift-Kit Springs (Front & Rear): Dodge Ram 1500 4WD 2009 - 2014

Eibach

Regular price $500.00 $450.00 10% off

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PowerStop Brake Pads (REAR): Ram 2500 / 3500 2019 - 2024 w/ Hardware
PowerStop Brake Pads (REAR): Ram 2500 / 3500 2019 - 2024 w/ Hardware

PowerStop Brake Pads (REAR): Ram 2500 / 3500 2019 - 2024 w/ Hardware

PowerStop

$97.81

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Bilstein B6 4600 Front Shock (FRONT): Dodge Ram 1500 2WD (02-10) w/ OEM Ride Height
Bilstein B6 4600 Front Shock (FRONT): Dodge Ram 1500 2WD (02-10) w/ OEM Ride Height

Bilstein B6 4600 Front Shock (FRONT): Dodge Ram 1500 2WD (02-10) w/ OEM Ride Height

Bilstein

Regular price $154.85 $104.00 33% off

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Rancho RS5000X Front Shock (FRONT): Fits Ram 2500 / 3500 (94-24)
Rancho RS5000X Front Shock (FRONT): Fits Ram 2500 / 3500 (94-24)
AlphaRex LUXX LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018 (1500, 2500 & 3500)
AlphaRex LUXX LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018 (1500, 2500 & 3500)

AlphaRex LUXX LED Projector Headlights (Chrome): Dodge Ram 2009 - 2018 (1500, 2500 & 3500)

AlphaRex

Regular price from $825.00 Up to 9% off

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Belltech Rear Sway Bar: Dodge Ram 2002 - 2008
Belltech Rear Sway Bar: Dodge Ram 2002 - 2008

Belltech Rear Sway Bar: Dodge Ram 2002 - 2008

Belltech

$439.00

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Magnaflow Universal Catalytic Converter 2.25in In/Out 3in Body
Magnaflow Universal Catalytic Converter 2.25in In/Out 3in Body
usa
Diode Dynamics SL2 White LED Bulbs (Pair)
Diode Dynamics SL2 White LED Bulbs (Pair)
usa

Diode Dynamics SL2 White LED Bulbs (Pair)

Diode Dynamics

$159.95

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Air Lift Wireless Air Control System V2 w/ EZ Mount
Air Lift Wireless Air Control System V2 w/ EZ Mount

Air Lift Wireless Air Control System V2 w/ EZ Mount

Air Lift

$936.99

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Maxtrac Rear 2.5in Lift Kit w/3.625in Axle: Dodge RAM 2500/3500 2WD V8
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Maxtrac Rear 2.5in Lift Kit w/3.625in Axle: Dodge RAM 2500/3500 2WD V8

Maxtrac

Regular price $424.78 $366.85 14% off

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Maxtrac Rear 2.5in Lift Kit w/4.125in Axle: Dodge RAM 2500/3500 2WD V8
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Maxtrac Rear 2.5in Lift Kit w/4.125in Axle: Dodge RAM 2500/3500 2WD V8

Maxtrac

Regular price $424.78 $366.85 14% off

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Maxtrac 2.5in Front Lift Coils: Ram 2500 / 3500 2003-2008 5.7L / 6.4L
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Maxtrac 2.5in Front Lift Coils: Ram 2500 / 3500 2003-2008 5.7L / 6.4L

Maxtrac

Regular price $272.25 $235.13 14% off

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Air Lift Heavy Duty Compressor: Fits Most Models
Air Lift Heavy Duty Compressor: Fits Most Models

Air Lift Heavy Duty Compressor: Fits Most Models

Air Lift

$407.99

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per 

Air Lift Heavy Duty Dual Load Controller Compressor: Fits Most Models
Air Lift Heavy Duty Dual Load Controller Compressor: Fits Most Models
BBK Chrome Cold Air Intake Kit: Dodge / RAM 1500 2009-2014 5.7L HEMI
BBK Chrome Cold Air Intake Kit: Dodge / RAM 1500 2009-2014 5.7L HEMI
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BBK Chrome Cold Air Intake Kit: Dodge / RAM 1500 2009-2014 5.7L HEMI

BBK

Regular price $449.99 $399.99 11% off

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Spec D Euro Headlights (Smoke): Dodge Ram 2006 - 2009
Spec D Euro Headlights (Smoke): Dodge Ram 2006 - 2009

Spec D Euro Headlights (Smoke): Dodge Ram 2006 - 2009

Spec D

Regular price $182.00 $135.00 26% off

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Spec D LED Tail Lights (Black, White LED w/ Sequential Turn Signal): Ram 2013 - 2018
Spec D LED Tail Lights (Black, White LED w/ Sequential Turn Signal): Ram 2013 - 2018

Spec D LED Tail Lights (Black, White LED w/ Sequential Turn Signal): Ram 2013 - 2018

Spec D

Regular price $412.00 $305.00 26% off

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Spec D Driver Mirror w/ Turn Signal Light & Puddle Light (Manual-Fold, Chrome): Ram 2013 - 2018
Spec D Driver Mirror w/ Turn Signal Light & Puddle Light (Manual-Fold, Chrome): Ram 2013 - 2018

Spec D Driver Mirror w/ Turn Signal Light & Puddle Light (Manual-Fold, Chrome): Ram 2013 - 2018

Spec D

Regular price $207.00 $153.00 26% off

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Spec D Crystal LED Headlights (Black): Dodge 1994 - 2002

Spec D

Regular price $111.00 $82.00 26% off

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Spec D Rebel Grille w/ LED's (Matte Black): Dodge Ram 2500 / 3500 2010 - 2018
Spec D Rebel Grille w/ LED's (Matte Black): Dodge Ram 2500 / 3500 2010 - 2018

Spec D Rebel Grille w/ LED's (Matte Black): Dodge Ram 2500 / 3500 2010 - 2018

Spec D

Regular price $270.00 $200.00 26% off

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Spec D Projector Halo Headlights (Smoke w/ LED Sequential Signal): Dodge Ram 2009 - 2018
Spec D Projector Halo Headlights (Smoke w/ LED Sequential Signal): Dodge Ram 2009 - 2018

Spec D Projector Halo Headlights (Smoke w/ LED Sequential Signal): Dodge Ram 2009 - 2018

Spec D

Regular price $552.00 $409.00 26% off

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Spec D DRL LED Headlights (Black): Ram 2500 & 3500 2019 - 2024
Spec D DRL LED Headlights (Black): Ram 2500 & 3500 2019 - 2024

Spec D DRL LED Headlights (Black): Ram 2500 & 3500 2019 - 2024

Spec D

Regular price $493.00 $439.00 11% off

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Spec D Projector Halo Headlights (Chrome w/ Sequential LED Signal): Ram 2500 & 3500 2019 - 2024
Spec D Projector Halo Headlights (Chrome w/ Sequential LED Signal): Ram 2500 & 3500 2019 - 2024

Spec D Projector Halo Headlights (Chrome w/ Sequential LED Signal): Ram 2500 & 3500 2019 - 2024

Spec D

Regular price $873.00 $647.00 26% off

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per 

Spec D LED Tail Lights (Black): Dodge Ram 2009 - 2018

Spec D

Regular price $397.00 $294.00 26% off

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per 

Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008
Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008

Spec D LED Projector Headlights (Chrome): Dodge Ram 2006 - 2008

Spec D

Regular price $427.00 $316.00 26% off

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per 

Spec D DRL LED Headlights (Chrome): Ram 2500 & 3500 2019 - 2024
Spec D DRL LED Headlights (Chrome): Ram 2500 & 3500 2019 - 2024

Spec D DRL LED Headlights (Chrome): Ram 2500 & 3500 2019 - 2024

Spec D

Regular price $598.00 $443.00 26% off

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per 

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

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

Spec D

Regular price $207.00 $153.00 26% off

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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.

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