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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

Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006
Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006

Spec D LED Tail Lights (Smoke, Version 2): Dodge Ram 2002 - 2006

Spec D

Regular price $155.00 $115.00 26% off

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Spec D LED Tail Lights (Red, G2): Dodge Ram 2002 - 2005
Spec D LED Tail Lights (Red, G2): Dodge Ram 2002 - 2005

Spec D LED Tail Lights (Red, G2): Dodge Ram 2002 - 2005

Spec D

Regular price $219.00 $162.00 26% off

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Spec D Crystal Headlights (Smoke): Dodge Ram 1994 - 2002
Spec D Crystal Headlights (Smoke): Dodge Ram 1994 - 2002

Spec D Crystal Headlights (Smoke): Dodge Ram 1994 - 2002

Spec D

Regular price $122.00 $90.00 26% off

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

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

Spec D
5.0 (1)

Regular price $379.00 $281.00 26% off

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Spec D Power Towing Mirrors: Dodge Ram 2002 - 2009
Spec D Power Towing Mirrors: Dodge Ram 2002 - 2009

Spec D Power Towing Mirrors: Dodge Ram 2002 - 2009

Spec D

Regular price $198.00 $147.00 26% off

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Spec D Driver Mirror w/ Turn & Puddle Light (MANUAL-FOLD, BLACK): Ram 2500 / 3500 (19-26)
Spec D Driver Mirror w/ Turn & Puddle Light (MANUAL-FOLD, BLACK): Ram 2500 / 3500 (19-26)

Spec D Driver Mirror w/ Turn & Puddle Light (MANUAL-FOLD, BLACK): Ram 2500 / 3500 (19-26)

Spec D

Regular price $220.00 $163.00 26% off

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Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012
Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012

Spec D Mirrors SET w/ Clear LED (Manual-Fold, Black): Dodge Ram 2009 - 2012

Spec D

Regular price $312.00 $231.00 26% off

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Spec D Towing Mirrors (Power, Heated): Dodge Ram 1998 - 2002
Spec D Towing Mirrors (Power, Heated): Dodge Ram 1998 - 2002

Spec D Towing Mirrors (Power, Heated): Dodge Ram 1998 - 2002

Spec D

Regular price $220.00 $163.00 26% off

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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 

Spec D LED Tail Lights (Jet Black w/ Sequential Turn Signal): Ram 2500 & 3500 2019 - 2024
Spec D LED Tail Lights (Jet Black w/ Sequential Turn Signal): Ram 2500 & 3500 2019 - 2024

Spec D LED Tail Lights (Jet Black w/ Sequential Turn Signal): Ram 2500 & 3500 2019 - 2024

Spec D

Regular price $558.00 $413.00 26% off

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Spec D OEM Style Fender Flares (Black, 4pc): Dodge Ram 2002 - 2009
Spec D OEM Style Fender Flares (Black, 4pc): Dodge Ram 2002 - 2009

Spec D OEM Style Fender Flares (Black, 4pc): Dodge Ram 2002 - 2009

Spec D

Regular price $128.00 $95.00 26% off

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Spec D Driver Mirror w/ Turn Signal Light & Puddle Light (Auto-Fold, Chrome): Ram 1500 2019 - 2024
Spec D Driver Mirror w/ Turn Signal Light & Puddle Light (Auto-Fold, Chrome): Ram 1500 2019 - 2024

Spec D Driver Mirror w/ Turn Signal Light & Puddle Light (Auto-Fold, Chrome): Ram 1500 2019 - 2024

Spec D
4.0 (1)

Regular price $219.00 $162.00 26% off

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per 

Spec D OEM Style Headlights w/ LED Bar (Smoke): Dodge Ram 2002 - 2005
Spec D OEM Style Headlights w/ LED Bar (Smoke): Dodge Ram 2002 - 2005

Spec D OEM Style Headlights w/ LED Bar (Smoke): Dodge Ram 2002 - 2005

Spec D

Regular price $257.00 $190.00 26% off

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Spec D Riveted Style Fender Flares (Texture Black, 4pc): Ram 2500 & 3500 2019 - 2024
Spec D Riveted Style Fender Flares (Texture Black, 4pc): Ram 2500 & 3500 2019 - 2024

Spec D Riveted Style Fender Flares (Texture Black, 4pc): Ram 2500 & 3500 2019 - 2024

Spec D

Regular price $230.00 $170.00 26% off

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Banks Ram-Air Diff Cover Kit Natural: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
Banks Ram-Air Diff Cover Kit Natural: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt
usa

Banks Ram-Air Diff Cover Kit Natural: Fits Chevy/GMC 2020-2026 / RAM 2500/3500 2019-2026 AAM 14 Bolt

Banks Power

Regular price $455.56 $410.00 10% off

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AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
DFC 5000 Advanced Ceramic Brake Pads & Hardware Kit (REAR): Jeep Wrangler (18-25)

DFC 5000 Advanced Ceramic Brake Pads & Hardware Kit (REAR): Jeep Wrangler (18-25)

DFC

$83.45

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per 

Stopping Power
Performance Over Stock
Dust Levels
DFC 5000 Ceramic Brake Pads and Hardware Kit (FRONT): Jeep Gladiator (18-25)

DFC 5000 Ceramic Brake Pads and Hardware Kit (FRONT): Jeep Gladiator (18-25)

DFC

$94.05

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Stopping Power
Performance Over Stock
Dust Levels
Baer Claw Performance Slotted and Drilled Rotor (FRONT): Dodge Durango / Jeep Grand Cherokee 2011-2020 - Zinc Plated
usa

Baer Claw Performance Slotted and Drilled Rotor (FRONT): Dodge Durango / Jeep Grand Cherokee 2011-2020 - Zinc Plated

Baer

Regular price $415.95 $332.05 20% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Odyssey Battery HD Perf AGM Battery: Fits Dodge Charger / Durango / Ram 1500 / Jeep Grand Cherokee
Odyssey Battery HD Perf AGM Battery: Fits Dodge Charger / Durango / Ram 1500 / Jeep Grand Cherokee
usa

Odyssey Battery HD Perf AGM Battery: Fits Dodge Charger / Durango / Ram 1500 / Jeep Grand Cherokee

Odyssey Battery

Regular price $420.57 $398.99 5% off

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Weld Solana / Gloss Black Milled | 20x9.5 | 5x127 | +0mm Offset
Superchips F5 Flashpaq Tuner: Fits Most Hemi Models

Superchips F5 Flashpaq Tuner: Fits Dodge / Ram / Chrysler (98-14)

Superchips

Regular price $518.95 $460.95 11% off

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StoNSho Quick Release Front License Plate Bracket: Fits Most Hemi Models
StoNSho Quick Release Front License Plate Bracket: Fits Most Hemi Models
usa

StoNSho Quick Release Front License Plate Bracket (FRONT): Jeep Wrangler (18-26)

StoNSho

Regular price from $104.99

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PPE Heavy-Duty Cast Aluminum Transmission Pan: Jeep Wrangler (18-25) / Gladiator (20-25)
PPE Heavy-Duty Cast Aluminum Transmission Pan: Jeep Wrangler (18-25) / Gladiator (20-25)
usa
Holley EFI Gen III Hemi Hi-Ram EFI Manifold: Fits Most Hemi Models

Holley EFI Gen III Hemi Hi-Ram EFI Manifold (Black): Fits Chrysler / Dodge / Jeep / Ram (05-26)

Holley EFI

Regular price $1,631.95 $1,303.95 20% off

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Holley EFI Hi-Flow Billet Fuel Rails: Dodge Ram 1500 / Ram 2500 / Ram 3500 (03-10) / Challenger / Charger / Durango (04-21)

Holley EFI Hi-Flow Billet Fuel Rails: Fits Dodge Ram / Challenger / Charger / Durango (03-21)

Holley EFI
5.0 (1)

Regular price $287.95 $230.35 20% off

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per 

Baer Claw Slotted and Drilled Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (REAR): Fits Most Hemi Models
usa

Baer Claw Slotted and Drilled Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (REAR): Ram 1500 (02-17) / Durango (05-09)

Baer

Regular price $328.95 $262.75 20% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
American Brother Designs Fuse Box Cover: Ram 1500 2019 - 2024
American Brother Designs Fuse Box Cover: Ram 1500 2019 - 2024
usa

American Brother Designs Fuse Box Cover: Ram 1500 2019 - 2024

American Brother Designs

Regular price $221.00 $171.00 23% off

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American Brother Designs Auto Concave Shifter Knob: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Auto Concave Shifter Knob: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Auto Concave Shifter Knob: Jeep Wrangler (18-25) & Gladiator (20-25)

American Brother Designs
5.0 (1)

Regular price $199.00 $149.00 25% off

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per 

American Brother Designs Coolant Recovery Bottle Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Coolant Recovery Bottle Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

American Brother Designs Coolant Recovery Bottle Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)

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