5.9L / 6.7L Diesel Engine Upgrades
MBRP ARMOR LITE Turbo-Back Exhaust Aluminized 4" Single Side Exit (REAR): Dodge Ram 2500/3500 98-02 5.9L Cummins
MBRP
$544.99
- Unit price
- /per
Go Rhino Mounting Brackets for RC2 Bull Bars: Fits Most Dodge 6.7L Diesel/5.9L Diesel/5.7L/3.7L (06-09)
Go Rhino
Regular price
$81.89
$62.99
23% off
- Unit price
- /per
Carli Anodized Fuel Cap: Ram 1500/2500/3500 14-18 6.7L Diesel/3.0L EcoDiesel
Carli
$66.00
- Unit price
- /per
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
- Unit price
- /per
Mishimoto Pipe and Boot Kit (INTERCOOLER): Dodge Ram 2500 6.7L Diesel / Ram 3500 6.7L Diesel 2008-2009
Mishimoto
Regular price
$495.00
$449.95
9% off
- Unit price
- /per
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
- Unit price
- /per
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
- Unit price
- /per
aFe SCORCHER HD Light Duty Power Module (FRONT): Ram 2500 / 3500 19-24 6.7L Diesel
aFe
$462.00
- Unit price
- /per
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
- Unit price
- /per
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
- Unit price
- /per
aFe MagnumFORCE Intakes Stage-2 P5R AIS: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (10-12) (td)
aFe
$435.00
- Unit price
- /per
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
- Unit price
- /per
Flowmaster 40 Series Chambered Muffler: Dodge Ram 2500 / Ram 3500 94-96 (43041)
Flowmaster
Regular price
$112.95
$101.95
10% off
- Unit price
- /per
aFe Momentum HD Cold Air Intake System w/ Pro 10R Media: Ram 2500 / 3500 13-18 6.7L Diesel
aFe
$420.00
- Unit price
- /per
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
- Unit price
- /per
Banks Ram-Air Cold Air Intake System Dry Filter (F&R): Dodge Ram 2500 / Ram 3500 07-09 6.7L Diesel/5.9L Diesel
Banks Power
Regular price
$498.89
$449.00
10% off
- Unit price
- /per
AirAid Modular Intake Tube: Fits Most Dodge/Ram 6.7L Diesel/6.4L/5.7L (10-18)
AirAid
$199.99
- Unit price
- /per
Banks Power Monster-Ram Intake System Ram Red (INLET): Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-12)
Banks Power
Regular price
$831.11
$748.00
10% off
- Unit price
- /per
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
- Unit price
- /per
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
- Unit price
- /per
aFe Large Bore-HD 5" 409 SS DPF-Back Exhaust Black Tip (REAR): Ram 2500 / 3500 13-18 6.7L Diesel
aFe
$734.00
- Unit price
- /per
aFe Large Bore-HD 5" 409 SS DPF-Back Exhaust Polished Tip (REAR): Ram 2500 / 3500 13-18 6.7L Diesel
aFe
$660.00
- Unit price
- /per
Banks Power Ram-Air Cold Air Intake Dry Filter (INLET): Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (10-12)
Banks Power
Regular price
$498.89
$449.00
10% off
- Unit price
- /per
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
- Unit price
- /per
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
Injen Evolution Cold Air Intake System Dry Filter: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (10-12)
Injen
$375.30
- Unit price
- /per
aFe BladeRunner GT Intercooler with Tubes (3 in Bar & Plate): Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (10-12)
aFe
$2,347.00
- Unit price
- /per
You’re viewing 401-440 of 674 products
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.