USE COUPON CODE "SUMMER26"

Your cart

Your cart is empty

Shop Diesel

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.
SELECT YOUR VEHICLE

6131 Results

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

Unit price
per 

Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi
Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi
usa

Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Chrysler 6.1L & 6.4L Hemi

Kooks Headers

Regular price $47.16 $42.44 10% off

Unit price
per 

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
K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 3.0L EcoDiesel 2014-2018
K&N 57 Series Cold Air Intake: Jeep Grand Cherokee 3.0L EcoDiesel 2014-2018
WeatherTech Cargo Liner (Black): Jeep Grand Cherokee 2011 - 2021
WeatherTech Cargo Liner (Black): Jeep Grand Cherokee 2011 - 2021
WeatherTech Front MudFlaps (2PC, Black): Jeep Gladiator 2020 - 2025
WeatherTech Front MudFlaps (2PC, Black): Jeep Gladiator 2020 - 2025
American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
American Brother Designs Oil Cap Cover: Jeep Wrangler (18-25) & Gladiator (20-25)
usa

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

American Brother Designs

Regular price $109.00 $59.00 46% off

Unit price
per 

AlphaRex LUXX LED Tail Lights (Alpha-Black): Dodge Ram 1500 (02-06) & 3500 (03-06)
AlphaRex LUXX LED Tail Lights (Alpha-Black): Dodge Ram 1500 (02-06) & 3500 (03-06)

AlphaRex LUXX LED Tail Lights (Alpha-Black): Dodge Ram 1500 (02-06) & 3500 (03-06)

AlphaRex

Regular price $460.00 $415.00 10% off

Unit price
per 

Bilstein B8 8100 (DSA) Rear Shock: Jeep Gladiator 2020 - 2025 (w/ 2-4.5" Rear Lift)
Bilstein B8 8100 (DSA) Rear Shock: Jeep Gladiator 2020 - 2025 (w/ 2-4.5" Rear Lift)

Bilstein B8 8100 (DSA) Rear Shock: Jeep Gladiator 2020 - 2025 (w/ 2-4.5" Rear Lift)

Bilstein

Regular price $891.85 $818.00 8% off

Unit price
per 

Bilstein B6 4600 Rear Shock: Dodge Ram 1500 4WD 1994 - 2001 (w/ OEM Ride Height)
Bilstein B6 4600 Rear Shock: Dodge Ram 1500 4WD 1994 - 2001 (w/ OEM Ride Height)

Bilstein B6 4600 Rear Shock: Dodge Ram 1500 4WD 1994 - 2001 (w/ OEM Ride Height)

Bilstein

Regular price $136.85 $92.00 33% off

Unit price
per 

Bilstein B8 5100 Rear Shock: Dodge Ram 1500 2WD 2009 - 2018 (w/ 0-1" Rear Lift)
Bilstein B8 5100 Rear Shock: Dodge Ram 1500 2WD 2009 - 2018 (w/ 0-1" Rear Lift)

Bilstein B8 5100 Rear Shock: Dodge Ram 1500 2WD 2009 - 2018 (w/ 0-1" Rear Lift)

Bilstein

Regular price $171.85 $123.00 28% off

Unit price
per 

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

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

StoNSho

Regular price $109.99 $97.99 11% off

Unit price
per 

Amerihood STM Functional Ram Air Hood: Jeep Gladiator 2020 - 2024
Amerihood STM Functional Ram Air Hood: Jeep Gladiator 2020 - 2024

Amerihood STM Functional Ram Air Hood: Jeep Gladiator 2020 - 2024

Amerihood

Regular price $450.00 $394.00 12% off

Unit price
per 

Amerihood WS6 Style Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009
Amerihood WS6 Style Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009

Amerihood WS6 Style Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009

Amerihood

Regular price $550.00 $496.00 10% off

Unit price
per 

Amerihood Type-VIP Style Functional Ram Air Hood: Ram 1500 2019 (CLASSIC BODY STYLE)
Amerihood Type-VIP Style Functional Ram Air Hood: Ram 1500 2019 (CLASSIC BODY STYLE)

Amerihood Type-VIP Style Functional Ram Air Hood: Ram 1500 2019 (CLASSIC BODY STYLE)

Amerihood

Regular price $900.00 $696.00 23% off

Unit price
per 

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

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

Amerihood

Regular price $900.00 $696.00 23% off

Unit price
per 

Amerihood WS6 Style Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008
Amerihood WS6 Style Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood WS6 Style Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood

Regular price $550.00 $496.00 10% off

Unit price
per 

PowerStop Z36 Brake Kit (REAR): Ram 1500 2019-2024
PowerStop Z36 Brake Kit (REAR): Ram 1500 2019-2024

PowerStop Z36 Brake Kit (REAR): Ram 1500 2019-2024

PowerStop

$345.71

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
PowerStop Z36 Brake Kit (FRONT): Ram 1500 2019-2024
PowerStop Z36 Brake Kit (FRONT): Ram 1500 2019-2024

PowerStop Z36 Brake Kit (FRONT): Ram 1500 2019-2024

PowerStop

$474.02

Unit price
per 

Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Sto N Sho Quick Release Front License Plate Bracket: Dodge Ram Sport 2017
Sto N Sho Quick Release Front License Plate Bracket: Dodge Ram Sport 2017
usa

Sto N Sho Quick Release Front License Plate Bracket: Dodge Ram Sport 2017

StoNSho

Regular price $109.99 $97.99 11% off

Unit price
per 

Winjet Fog Lights: Chrysler 300 2011 - 2024 / Dodge Challenger 2013 - 2023
Winjet Fog Lights: Chrysler 300 2011 - 2024 / Dodge Challenger 2013 - 2023

Winjet Fog Lights: Chrysler 300 2011 - 2024 / Dodge Challenger 2013 - 2023

Winjet

Regular price $47.99 $39.99 17% off

Unit price
per 

American Brother Designs 1320 Exterior Badge: Chrysler / Dodge / Jeep Vehicles
American Brother Designs 1320 Exterior Badge: Chrysler / Dodge / Jeep Vehicles
usa

American Brother Designs 1320 Exterior Badge: Chrysler / Dodge / Jeep Vehicles

American Brother Designs
5.0 (1)

Regular price $69.00 $49.00 29% off

Unit price
per 

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009

Amerihood

Regular price $878.42 $694.36 21% off

Unit price
per 

Amerihood CLG Functional Ram Air Hood: Dodge Ram 2500 2010 ; Ram 2500 2011 - 2018
Amerihood CLG Functional Ram Air Hood: Dodge Ram 2500 2010 ; Ram 2500 2011 - 2018

Amerihood CLG Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood

Regular price $786.02 $615.16 22% off

Unit price
per 

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 1994 - 2001
Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 1994 - 2001

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 1994 - 2001

Amerihood

Regular price $878.42 $694.36 21% off

Unit price
per 

Amerihood TS Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009
Amerihood TS Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009

Amerihood TS Functional Ram Air Hood: Dodge Ram 2500 2003 - 2009

Amerihood

Regular price $687.46 $530.68 23% off

Unit price
per 

S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 2003 - 2007 (2500 / 3500)
S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 2003 - 2007 (2500 / 3500)
usa

S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 2003 - 2007 (2500 / 3500)

S&B Filters

Regular price $429.99 $379.00 12% off

Unit price
per 

2 filter types

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