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5.9L / 6.7L Diesel Engine Upgrades

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674 Results

Go Rhino Mounting Brackets for RC2 Bull Bars: Fits Most Dodge Ram Models (2006-2009)
Go Rhino Mounting Brackets for RC2 Bull Bars: Fits Most Dodge Ram Models (2006-2009)
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Westin Black Running Board Mount Kit: Fits Ram 1500 / 1500 Classic / 2500 / 3500 (09-24)
Westin Black Running Board Mount Kit: Fits Ram 1500 / 1500 Classic / 2500 / 3500 (09-24)
Westin Black Nerf Step Bar Mount Kit: Fits Ram 1500 / 2500 / 3500 Quad & Crew Cab (03-24)
Westin Black Nerf Step Bar Mount Kit: Fits Ram 1500 / 2500 / 3500 Quad & Crew Cab (03-24)
Westin Black Nerf Step Bar Mount Kit: Fits Ram 1500 / 1500 Classic / 2500 / 3500 (09-24)
Westin Black Nerf Step Bar Mount Kit: Fits Ram 1500 / 1500 Classic / 2500 / 3500 (09-24)
Mishimoto Intercooler Pipe & Boot Kit 3.5in (F&R): RAM 2500/3500 2009-2012 6.7L Cummins
Mishimoto Intercooler Pipe & Boot Kit 3.5in (F&R): RAM 2500/3500 2009-2012 6.7L Cummins

Mishimoto Intercooler Pipe & Boot Kit 3.5in: Dodge Ram 2500 / 3500 2009-2012 6.7L Diesel

Mishimoto

Regular price $539.00 $489.95 9% off

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Mishimoto Intercooler Pipe & Boot Kit (3.5in) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Pipe & Boot Kit (3.5in) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Kit Silver (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Kit Silver (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto Intercooler Kit w/ Pipes Silver: Dodge Ram 2500 / 3500 / 1500 2007-2009 6.7L

Mishimoto

Regular price $1,738.00 $1,579.95 9% off

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Mishimoto Intercooler Kit Black (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Kit Black (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto Intercooler Kit w/ Pipes Black: Dodge Ram 2500 / 3500 / 1500 2007-2009 6.7L

Mishimoto

Regular price $1,738.00 $1,579.95 9% off

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Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)
Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)
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Corsa Performance Sport Muffler Upgrade Kit: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel/5.7L (94-21)

CORSA Performance

Regular price $621.99 $570.99 8% off

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aFe BladeRunner Exhaust Manifold: Dodge Ram 2500 / Ram 3500 07-10
aFe BladeRunner Exhaust Manifold: Dodge Ram 2500 / Ram 3500 07-10
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ARP Rod Bolt Kits: Dodge Ram 2500 (94-09) / Ram 3500 (94-07)
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Smarty S-03 Tuner: Fits Most Dodge Ram Models
Smarty S-03 Tuner: Fits Most Dodge Ram Models

Smarty S-03 Tuner: Fits Most Dodge Ram Models

Smarty

$645.00

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Smarty S-06 Tuner: Fits Most Dodge Ram Models
Smarty S-06 Tuner: Fits Most Dodge Ram Models

Smarty S-06 Tuner: Fits Most Dodge Ram Models

Smarty

$685.00

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Cometic Gasket MLS Head Gasket: Dodge Ram 2500 / Ram 3500 98-08 Diesel Round Port
Cometic Gasket MLS Head Gasket: Dodge Ram 2500 / Ram 3500 98-08 Diesel Round Port
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Cometic Gasket MLS Head Gasket: Dodge Ram 2500 / Ram 3500 98-08 Diesel Round Port

Cometic Gasket

Regular price $57.04 $51.33 10% off

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Flowmaster Delta Force Perf Air Intake: Dodge Ram 1500 (94-01) / Ram 2500 / 3500 (94-02)
Flowmaster Delta Force Perf Air Intake: Dodge Ram 1500 (94-01) / Ram 2500 / 3500 (94-02)
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Flowmaster Delta Force Perf Air Intake: Dodge Ram 1500 (94-01) / Ram 2500 / 3500 (94-02)

Flowmaster

Regular price $425.95 $399.95 6% off

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Flowmaster 40 Series Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (43041)
Flowmaster 40 Series Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (43041)
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Flowmaster 40 Series Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (43041)

Flowmaster

Regular price $112.95 $101.95 10% off

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Liqui Moly High Tech Diesel Motor Oil: Fits Most Models
Liqui Moly High Tech Diesel Motor Oil: Fits Most Models

Liqui Moly High Tech Diesel Motor Oil: Fits Most Models

LIQUI MOLY

$395.80

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per 

Liqui Moly Hydraulic Lifter Additive: Fits Most Models
Liqui Moly Hydraulic Lifter Additive: Fits Most Models

Liqui Moly Hydraulic Lifter Additive: Fits Most Models

LIQUI MOLY

$227.40

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Banks Monster-Ram Intake System Raw (F&R): RAM 2500/3500 2013-2018 6.7L Cummins
Banks Monster-Ram Intake System Raw (F&R): RAM 2500/3500 2013-2018 6.7L Cummins
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Banks Monster-Ram Intake System Raw (F&R): Ram 2500 / 3500 13-18 6.7L Diesel

Banks Power

Regular price $797.78 $718.00 10% off

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Banks Ram-Air Cold Air Intake System Dry Filter (F&R): Dodge Ram 2500/3500 2007-2009 6.7L Cummins
Banks Ram-Air Cold Air Intake System Dry Filter (F&R): Dodge Ram 2500/3500 2007-2009 6.7L Cummins
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Banks Power Monster-Ram Intake System Ram Red (INLET): Dodge / RAM 2500/3500 07.5-12 6.7L Cummins
Banks Power Monster-Ram Intake System Ram Red (INLET): Dodge / RAM 2500/3500 07.5-12 6.7L Cummins
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Banks Power Monster-Ram Intake System Raw (INLET): Dodge / RAM 2500/3500 07.5-12 6.7L Cummins
Banks Power Monster-Ram Intake System Raw (INLET): Dodge / RAM 2500/3500 07.5-12 6.7L Cummins
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Banks Power Monster-Ram Intake System Raw (INLET): Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-12)

Banks Power

Regular price $797.78 $718.00 10% off

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per 

Banks Monster-Ram Intake System Red (F&R): RAM 2500/3500 2013-2018 6.7L Cummins
Banks Monster-Ram Intake System Red (F&R): RAM 2500/3500 2013-2018 6.7L Cummins
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Banks Monster-Ram Intake System Red (F&R): Ram 2500 / 3500 13-18 6.7L Diesel

Banks Power

Regular price $831.11 $748.00 10% off

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MagnaFlow Universal 2.5 Inch Conv: Fits Dodge Ram / Dakota / Durango / Jeep Grand Cherokee (96-04)
MagnaFlow Universal 2.5 Inch Conv: Fits Dodge Ram / Dakota / Durango / Jeep Grand Cherokee (96-04)
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Banks Power Ram-Air Cold Air Intake Dry Filter (INLET): Dodge / RAM 2500/3500 2010-2012 6.7L
Banks Power Ram-Air Cold Air Intake Dry Filter (INLET): Dodge / RAM 2500/3500 2010-2012 6.7L
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Banks Ram-Air Cold Air Intake Oiled Filter: Dodge / RAM 2500/3500 2010-2012 6.7L
Banks Ram-Air Cold Air Intake Oiled Filter: Dodge / RAM 2500/3500 2010-2012 6.7L
usa

Banks Ram-Air Cold Air Intake Oiled Filter: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (10-12)

Banks Power

Regular price $498.89 $449.00 10% off

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Mishimoto Black Intercooler: Dodge Ram 3500 (2009-2010) / Ram 2500 / 3500 (2010-2012)
Mishimoto Black Intercooler: Dodge Ram 3500 (2009-2010) / Ram 2500 / 3500 (2010-2012)

Mishimoto Intercooler Black: Dodge Ram 2500 / 3500 2010-2012 6.7L Diesel

Mishimoto

Regular price $1,540.00 $1,399.95 9% off

Unit price
per 

Liqui Moly Speed Tec Gasoline: Fits Most Models
Liqui Moly Speed Tec Gasoline: Fits Most Models

Liqui Moly Speed Tec Gasoline: Fits Most Models

LIQUI MOLY

$101.70

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5.9L Magnum & 6.7L Cummins Diesel Engine Upgrades for Torque and Reliability

The 5.9L Magnum V8 and 6.7L Cummins inline-6 are iconic diesel engines celebrated for their torque, towing strength, and durability. Whether you own a classic Ram with the 5.9L or a modern heavy-duty Ram powered by the 6.7L Cummins, upgrading these engines with diesel-specific performance parts can significantly enhance power delivery and dependability.

How Diesel Engine Upgrades Improve Your 5.9L and 6.7L Performance

Diesel engines like the 5.9L Magnum and 6.7L Cummins thrive on torque and efficiency. Upgrades focused on intake airflow, exhaust flow, and fuel delivery optimize combustion and turbocharger response. These improvements translate to stronger towing capability, better throttle response, and sustained power under load.

  • High-flow intake and exhaust systems reduce restrictions and improve turbo efficiency
  • Turbocharger and intercooler upgrades enhance boost control and charge air cooling
  • Fuel system enhancements ensure consistent fuel delivery for higher power demands
  • Performance tuning calibrates engine parameters for optimized power and reliability

Choosing the Right Upgrades for Your Diesel Engine Goals

When selecting upgrades for your 5.9L or 6.7L diesel, consider your primary use—whether it’s daily driving, heavy towing, or performance builds. Intake and exhaust modifications improve airflow, while turbocharger enhancements increase boost and efficiency. Fuel system upgrades become critical as power levels rise, and tuning ties all components together for smooth operation.

Maximize Your Diesel Engine’s Potential with FastHemis Upgrades

From intake manifolds and turbochargers to fuel system components and tuning tools, FastHemis offers a comprehensive selection of parts tailored to the 5.9L Magnum and 6.7L Cummins platforms. Explore our collection to find reliable, performance-driven upgrades that maintain the rugged durability these engines are known for.

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