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5.9L / 6.7L Diesel Engine Upgrades

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674 Results

Fleece Perf PowerFlo Lift Pump Assembly: Ram 2500/3500 6.7L Diesel 2020-2024
usa
Fleece Performance Dual Pump Hardware Kit: Ram 2500 / 3500 2013-2018 6.7L Diesel
usa
Banks Power Pedal Monster Kit Stand-Alone: RAM 2500/3500 6.7L / Ford F-Series 6.7L 2007-2019 w/Phone
usa

Banks Power Pedal Monster Kit Stand-Alone: RAM 2500/3500 6.7L / Ford F-Series 6.7L 2007-2019 w/Phone

Banks Power

Regular price $327.78 $295.00 10% off

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Fel-Pro Engine Water Pump Gasket: Fits Ram 2500/3500 1994-2024
usa
Sinister Diesel Cold Air Intake: Ram 2500 / 3500 2019-2020 6.7L Diesel

Sinister Diesel Cold Air Intake: Ram 2500 / 3500 2019-2020 6.7L Diesel

Sinister Diesel

Regular price $753.99 $579.99 23% off

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Wehrli Stage 1 Hi-Perf Bundle Kit Candy Teal: Ram 2500/3500 2010-2012 6.7L Diesel
usa

Wehrli Stage 1 Hi-Perf Bundle Kit Candy Teal: Ram 2500/3500 2010-2012 6.7L Diesel

Wehrli

Regular price $595.00 $577.15 3% off

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Sinister Diesel Cold Air Intake 6.7L Diesel: Ram 2500 / 3500 2013-2019

Sinister Diesel Cold Air Intake 6.7L Diesel: Ram 2500 / 3500 2013-2019

Sinister Diesel

Regular price $649.99 $499.99 23% off

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Titan Fuel Tanks 52 Gal XXL Mid-Ship Fuel Tank: Fits Ram 2500/3500 2013-2025 6.7L Diesel
usa

Titan Fuel Tanks 52 Gal XXL Mid-Ship Fuel Tank: Fits Ram 2500/3500 2013-2025 6.7L Diesel

Titan Fuel Tanks

Regular price $1,279.00 $1,215.05 5% off

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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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