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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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2504 Results

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
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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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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Baer Claw Slotted and Drilled Zinc-Plated Rotor and Ceramic Performance Pad Combo Kit (REAR): Fits Most Hemi Models
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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
Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red
Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red
usa

Energy Suspension Perf Polyurethane 34mm Front Sway Bar Bushing Set (FRONT): Dodge Ram (02-10) - Red

Energy Suspension

Regular price $51.34 $34.23 33% off

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AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex
5.0 (1)

Regular price from $262.68 1% off

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Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024
Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024

Westin Black HDX Modular Grille Guard: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,147.50 $917.99 20% off

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Smarty SJ-67 Junior 67 Tuner: Fits Most Dodge Ram Models
Smarty SJ-67 Junior 67 Tuner: Fits Most Dodge Ram Models
Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade
Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade

Mishimoto Mopar Pentastar / Hemi Thermal Bypass Valve Upgrade

Mishimoto

Regular price $100.00 $90.95 9% off

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Fabtech Tie Rod End: Dodge Ram 1500 2002-2005
Fabtech Tie Rod End: Dodge Ram 1500 2002-2005
usa

Fabtech Tie Rod End: Dodge Ram 1500 2002-2005

Fabtech

$57.63

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AMP Research Wire Harness: Ram 1500 (13-18) / 2500 (13-22) / 3500 (13-22)
AMP Research Wire Harness: Ram 1500 (13-18) / 2500 (13-22) / 3500 (13-22)
Wilwood TX6R Front Big Brake Kit Black Calipers Slotted Rotors (FRONT): RAM 2500/3500 2014-2023
Wilwood TX6R Front Big Brake Kit Black Calipers Slotted Rotors (FRONT): RAM 2500/3500 2014-2023
usa

Wilwood TX6R Front Big Brake Kit Black Calipers Slotted Rotors (FRONT): RAM 2500/3500 2014-2023

Wilwood

Regular price $3,552.33 $3,171.73 11% off

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Stopping Power
Noise Level
Performance Over Stock
Wilwood TX6R 6-Piston Rear Big Brake Kit (Black Calipers, Slotted Rotors): Ram 2500 & 3500 2019 - 2025
Wilwood TX6R 6-Piston Rear Big Brake Kit (Black Calipers, Slotted Rotors): Ram 2500 & 3500 2019 - 2025
usa

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

Wilwood

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

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per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
COMP Cams Pushrods CRS Hemi 5/16 In&Ex
COMP Cams Pushrods CRS Hemi 5/16 In&Ex
usa

COMP Cams Pushrods CRS Hemi 5/16 In&Ex

COMP Cams

$193.95

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APS Polished Stainless Upper Billet Grille (w/ Logo Show): Dodge Ram 2006 - 2008
APS Polished Stainless Upper Billet Grille (w/ Logo Show): Dodge Ram 2006 - 2008

APS Polished Stainless Upper Billet Grille (w/ Logo Show): Dodge Ram 2006 - 2008

APS

Regular price $114.75 $91.80 20% off

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APS Side Armor DS Nerf Bars (Pair) Crew Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)
APS Side Armor DS Nerf Bars (Pair) Crew Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS Side Armor DS Nerf Bars (Pair) Crew Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS
5.0 (1)

Regular price $565.87 $452.70 20% off

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APS A Series Running Boards (Pair) Regular Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)
APS A Series Running Boards (Pair) Regular Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS A Series Running Boards (Pair) Regular Cab: Dodge Ram 2009 - 2025 (1500, 2500 & 3500)

APS

Regular price $471.30 $377.04 20% off

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K&N 57 Series Cold Air Intake: RAM 2500 & 3500 6.7L Diesel 2013-2018
K&N 57 Series Cold Air Intake: RAM 2500 & 3500 6.7L Diesel 2013-2018
K&N Cabin Filter: 1500, 2500, 3500, Grand Wagoneer & Wagoneer 2022-2025
K&N Cabin Filter: 1500, 2500, 3500, Grand Wagoneer & Wagoneer 2022-2025

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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