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5.9L / 6.7L Diesel Engine Upgrades

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674 Results

aFe Power D2 Fuel Filter: Ram 2500 6.7L Diesel (13-18)
aFe Power D2 Fuel Filter: Ram 2500 6.7L Diesel (13-18)
usa
Cometic MLX Head Gasket (4.312" Bore, .052" Thick): Dodge Ram (02-10) / Ram 2500 / 3500 (11-18)
Cometic MLX Head Gasket (4.312" Bore, .052" Thick): Dodge Ram (02-10) / Ram 2500 / 3500 (11-18)
usa

Cometic MLX Head Gasket (4.312" Bore, .052" Thick): Dodge Ram (02-10) / Ram 2500 / 3500 (11-18)

Cometic Gasket

Regular price $256.03 $230.43 10% off

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per 

K&N 57 Series Cold Air Intake: Dodge Ram 5.9L Diesel 2003-2007
K&N 57 Series Cold Air Intake: Dodge Ram 5.9L Diesel 2003-2007
K&N Drop-In Air Filter: Dodge Ram 6.7L Diesel 2007 - 2009
K&N Drop-In Air Filter: Dodge Ram 6.7L Diesel 2007 - 2009
K&N Drop-In Air Filter: Dodge Ram 5.9L Diesel 2003 - 2009
K&N Drop-In Air Filter: Dodge Ram 5.9L Diesel 2003 - 2009
K&N Drop-In Air Filter: Dodge Ram 2500 & 3500 6.7L Diesel 2011-2012
K&N Drop-In Air Filter: Dodge Ram 2500 & 3500 6.7L Diesel 2011-2012
Airaid Drop-In Air Filter (Dry): Dodge Ram, 2500 & 3500 6.7L Diesel & 6.4L 392 2019-2025
Airaid Drop-In Air Filter (Dry): Dodge Ram, 2500 & 3500 6.7L Diesel & 6.4L 392 2019-2025
S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 1994 - 2002 (2500 / 3500)
S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 1994 - 2002 (2500 / 3500)
usa

S&B Cold Air Intake: Dodge Ram 5.9L Cummins Diesel 1994 - 2002 (2500 / 3500)

S&B Filters

Regular price $429.99 $379.00 12% off

Unit price
per 

2 filter types
  • COTTON WASHABLE
  • DRY WASHABLE
S&B Cold Air Intake: Dodge Ram 6.7L Cummins Diesel 2007 - 2009 (2500 / 3500)
S&B Cold Air Intake: Dodge Ram 6.7L Cummins Diesel 2007 - 2009 (2500 / 3500)
usa

S&B Cold Air Intake: Dodge Ram 6.7L Cummins Diesel 2007 - 2009 (2500 / 3500)

S&B Filters

Regular price $429.99 $379.00 12% off

Unit price
per 

2 filter types
  • COTTON WASHABLE
  • DRY WASHABLE

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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