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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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5903 Results

Westin SS Drop Wheel-to-Wheel Nerf Step Bars: Ram 2500 / 3500 (19-24) w/ Textured Black
Westin SS Drop Wheel-to-Wheel Nerf Step Bars: Ram 2500 / 3500 (19-24) w/ Textured Black

Westin SS Drop Wheel-to-Wheel Nerf Step Bars: Ram 2500 / 3500 (19-24) w/ Textured Black

Westin

Regular price $1,638.75 $1,310.99 20% off

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Go Rhino 4000 Series SideSteps Cab Length: Dodge Ram (94-10)
Go Rhino 4000 Series SideSteps Cab Length: Dodge Ram (94-10)
usa

Go Rhino 4000 Series SideSteps Cab Length: Dodge Ram (94-10)

Go Rhino

Regular price $344.49 $264.99 23% off

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Westin Black R5 M-Series W2W Nerf Step Bars: Dodge Ram 2500 / 3500 (09-19) / Ram 1500 (14-18)
Westin Black R5 M-Series W2W Nerf Step Bars: Dodge Ram 2500 / 3500 (09-19) / Ram 1500 (14-18)

Westin Black R5 M-Series W2W Nerf Step Bars: Dodge Ram 2500 / 3500 (09-19) / Ram 1500 (14-18)

Westin

Regular price $1,127.50 $901.99 20% off

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Method Wheels 707 / Matte Black | 18x9 | 6x5.5 | 0/5"
Method Wheels 707 / Matte Black | 18x9 | 6x5.5 | 0/5"

Method Wheels 707 / Matte Black | 18x9 | 6x5.5 | 0/5"

Method Wheels

$429.00

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Westin Textured Black Pro-Mod Front Bumper: Ram 2500 / 3500 2019-2024
Westin Textured Black Pro-Mod Front Bumper: Ram 2500 / 3500 2019-2024

Westin Textured Black Pro-Mod Front Bumper: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,561.25 $1,248.99 20% off

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Westin Black Cover Corner Kit: Jeep Gladiator 2020-2024

Westin

Regular price $116.25 $92.99 20% off

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Westin R5 M-Series Wheel-to-Wheel Nerf Bars: Ram 2500 / 3500 2019-2024
Westin R5 M-Series Wheel-to-Wheel Nerf Bars: Ram 2500 / 3500 2019-2024

Westin R5 M-Series Wheel-to-Wheel Nerf Bars: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,516.25 $1,212.99 20% off

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Westin SS PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)
Westin SS PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin SS PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,602.50 $1,281.99 20% off

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Westin Polished Stainless R5 M-Series Nerf Step Bars: Ram 2500 / 3500 2019-2024
Westin Polished Stainless R5 M-Series Nerf Step Bars: Ram 2500 / 3500 2019-2024

Westin Polished Stainless R5 M-Series Nerf Step Bars: Ram 2500 / 3500 2019-2024

Westin

Regular price $1,516.25 $1,212.99 20% off

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Go Rhino 3000 Series StepGuard Center Grille Guard: Dodge Ram 2500 / 3500 (02-18) - Black
Go Rhino 3000 Series StepGuard Center Grille Guard: Dodge Ram 2500 / 3500 (02-18) - Black
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Go Rhino 3000 Series StepGuard Center Grille Guard: Dodge Ram 2500 / 3500 (02-18) - Black

Go Rhino

Regular price $597.99 $459.99 23% off

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Method Wheels 708 / Gloss Titanium | 17x9 | 5x5 | -38/3.5"
Method Wheels 708 / Gloss Titanium | 17x9 | 5x5 | -38/3.5"

Method Wheels 708 / Gloss Titanium | 17x9 | 5x5 | -38/3.5"

Method Wheels

$387.00

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Westin R5 SS Nerf Step Bars: Dodge Ram 1500 / Ram 1500 Classic (09-24) w/ Hardware
Westin R5 SS Nerf Step Bars: Dodge Ram 1500 / Ram 1500 Classic (09-24) w/ Hardware

Westin R5 SS Nerf Step Bars: Dodge Ram 1500 / Ram 1500 Classic (09-24) w/ Hardware

Westin

Regular price $818.75 $654.99 20% off

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Westin Stainless Steel PRO TRAXX 5 Oval Nerf Step Bars: Jeep Gladiator 2020-2024
Westin Stainless Steel PRO TRAXX 5 Oval Nerf Step Bars: Jeep Gladiator 2020-2024

Westin Stainless Steel PRO TRAXX 5 Oval Nerf Step Bars: Jeep Gladiator 2020-2024

Westin

Regular price $896.25 $716.99 20% off

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Westin R5 M-Series W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024 w/ Black Finish
Westin R5 M-Series W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024 w/ Black Finish

Westin R5 M-Series W2W Nerf Step Bars: Ram 2500 / 3500 2019-2024 w/ Black Finish

Westin

Regular price $1,127.50 $901.99 20% off

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per 

Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)
Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)

Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)

Westin

Regular price $1,516.25 $1,212.99 20% off

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per 

Westin Black PRO TRAXX 5 Oval Nerf Step Bars: Dodge Ram 1500 (09-24) / Ram 1500 Classic (19-24)
Westin Black PRO TRAXX 5 Oval Nerf Step Bars: Dodge Ram 1500 (09-24) / Ram 1500 Classic (19-24)

Westin Black PRO TRAXX 5 Oval Nerf Step Bars: Dodge Ram 1500 (09-24) / Ram 1500 Classic (19-24)

Westin

Regular price $896.25 $716.99 20% off

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per 

Westin Textured Black Pro-E Running Boards: Jeep Gladiator 2020-2024
Westin Textured Black Pro-E Running Boards: Jeep Gladiator 2020-2024

Westin Textured Black Pro-E Running Boards: Jeep Gladiator 2020-2024

Westin

Regular price $2,155.00 $1,723.99 20% off

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Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)
Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)

Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,646.25 $1,316.99 20% off

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Westin SS Nerf Step Bars (SIDE): Fits Dodge / Ram (09-26)
Westin SS Nerf Step Bars (SIDE): Fits Dodge / Ram (09-26)
Westin SS Winch Tray Face Plate: Ram 2500 / Ram 3500 (10-23)
Westin SS Winch Tray Face Plate: Ram 2500 / Ram 3500 (10-23)
Westin Soft Roll-Up Tonneau Cover 6ft 4in Bed - Fits Ram 1500 (2019-2024) - Black
Westin Soft Roll-Up Tonneau Cover 6ft 4in Bed - Fits Ram 1500 (2019-2024) - Black

Westin Soft Roll-Up Tonneau Cover 6ft 4in Bed - Fits Ram 1500 (2019-2024) - Black

Westin

Regular price $426.25 $340.99 20% off

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Westin Pro-Mod Front Bumper (FRONT): Dodge Ram 1500 / 1500 Classic (09-24) / Ram 2500 / 3500 (21)
Westin Pro-Mod Front Bumper (FRONT): Dodge Ram 1500 / 1500 Classic (09-24) / Ram 2500 / 3500 (21)

Westin Pro-Mod Front Bumper (FRONT): Dodge Ram 1500 / 1500 Classic (09-24) / Ram 2500 / 3500 (21)

Westin

Regular price $1,561.25 $1,248.99 20% 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