5.9L / 6.7L Diesel Engine Upgrades
Odyssey Battery HD Perf AGM Battery: Fits Most Dodge/Jeep (99-10)
Odyssey Battery
Regular price
$427.76
$377.99
12% off
- Unit price
- /per
Gates OE Equivalent Fuel Cap: Fits Most Chrysler / Dodge / Jeep / Ram Models (1994-2026)
Gates
$9.58
- Unit price
- /per
Go Rhino RC2 Mounting Brackets: Fits Most Dodge 5.9L Diesel/5.7L/3.9L/3.7L (02-05)
Go Rhino
Regular price
$81.89
$62.99
23% off
- Unit price
- /per
Go Rhino HD Mounting Brackets for RB Running Boards: Fits Most Dodge/Ram (09-25)
Go Rhino
Regular price
$201.49
$154.99
23% off
- Unit price
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Go Rhino Dominator Extreme Mounting Brackets: Fits Most Dodge/Ram (09-25)
Go Rhino
Regular price
$201.49
$154.99
23% off
- Unit price
- /per
Synergy Mfg Front Long Arm Frame Brackets (PAIR): Fits Ram 1500 / 2500 / 3500 4x4 (02-18)
Synergy Mfg
$1,500.00
- Unit price
- /per
Bully Dog Triple Dog GT Gas Tuner and Gauge: Fits Most Chrysler/Dodge/Jeep/Ram (03-14)
Bully Dog
$399.00
- Unit price
- /per
Mahle OE Moly Ring Set: Fits Most Chrysler/Dodge/Jeep/Ram (11-17) (42156CP.030)
Mahle OE
$548.54
- Unit price
- /per
Mahle OE 5.7L 0.50MM Piston w/ Rings Set: Fits Most Chrysler/Dodge/Jeep/Ram (09-20)
Mahle OE
$1,400.12
- Unit price
- /per
Mahle OE Piston With Rings Set 0.25MM: Fits Most Chrysler/Dodge/Jeep/Ram (09-20)
Mahle OE
$1,412.68
- Unit price
- /per
Mahle OE Piston With Rings Set: Fits Most Chrysler/Dodge/Jeep/Ram (09-20)
Mahle OE
$1,102.79
- Unit price
- /per
Snow Performance Stage 2 Boost Cooler Water Injection Kit: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-17)
Snow Performance
Regular price
$1,312.51
$937.51
29% off
- Unit price
- /per
Snow Performance Stage 2 Boost Cooler Water Injection Kit: Dodge Ram 2500 / Ram 3500 94-07 5.9L Diesel
Snow Performance
Regular price
$1,312.51
$937.51
29% off
- Unit price
- /per
Snow Performance Stage 3 Boost Cooler Water Injection Kit: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-17)
Snow Performance
Regular price
$1,750.02
$1,250.02
29% off
- Unit price
- /per
Snow Performance Stage 3 Boost Cooler Water Injection Kit: Dodge Ram 2500 / Ram 3500 94-07 5.9L Diesel
Snow Performance
Regular price
$1,750.02
$1,250.02
29% off
- Unit price
- /per
Snow Performance Stage 2 Boost Cooler Water Injection Kit: Dodge Ram 2500 / Ram 3500 94-09 5.9L Diesel
Snow Performance
Regular price
$1,166.68
$833.34
29% off
- Unit price
- /per
Snow Performance Stage 2 Boost Cooler Water Injection Kit: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-17)
Snow Performance
Regular price
$1,166.68
$833.34
29% off
- Unit price
- /per
Snow Performance Stage 3 Boost Cooler Water Injection Kit: Dodge Ram 2500 / Ram 3500 94-07 5.9L Diesel
Snow Performance
Regular price
$1,458.35
$1,041.68
29% off
- Unit price
- /per
Snow Performance Stage 3 Boost Cooler Water Injection Kit: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-17)
Snow Performance
Regular price
$1,458.35
$1,041.68
29% off
- Unit price
- /per
Wehrli 3.5in Intercooler Pipes Kit: Ram 2500 / 3500 13-18 6.7L Diesel w/ WCFab Red
Wehrli
Regular price
$619.00
$600.43
3% off
- Unit price
- /per
Mishimoto Intercooler Silver: Dodge Ram 2500 / 3500 2010-2012 6.7L Diesel
Mishimoto
Regular price
$1,540.00
$1,399.95
9% off
- Unit price
- /per
Mishimoto Intercooler Kit Silver: Dodge Ram 2500 / 3500 2010-2012 6.7L Diesel
Mishimoto
Regular price
$1,976.00
$1,795.95
9% off
- Unit price
- /per
Mishimoto Intercooler Kit Black: Dodge Ram 2500 / 3500 2010-2012 6.7L Diesel
Mishimoto
Regular price
$1,976.00
$1,795.95
9% off
- Unit price
- /per
Mishimoto Exhaust Manifold Stud Kit: Dodge Ram 1994-2018 5.9L/6.7L Cummins Diesel
Mishimoto
Regular price
$130.00
$117.95
9% off
- Unit price
- /per
K&N Engineering Fuel Filter: Dodge Ram 2500 / Ram 3500 00-09 5.9L Diesel
K&N Engineering
$31.99
- Unit price
- /per
Spectre Polished F/I Air Intake Kit Diesel w/ Red Filter (F&R): Dodge Ram 2500 / Ram 3500 03-07 5.9L Diesel
Spectre
$208.99
- Unit price
- /per
K&N Engineering Spin-On Oil Filter: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (94-24)
K&N Engineering
$10.99
- Unit price
- /per
Injen Evolution Cold Air Intake System Dry Filter (FRONT): Dodge Ram 2500 / Ram 3500 03-07 5.9L Diesel
Injen
$375.30
- Unit price
- /per
Injen Evolution Cold Air Intake System Dry Filter (F&R): Dodge Ram 2500 / Ram 3500 07-09 6.7L Diesel/5.9L Diesel
Injen
$375.30
- Unit price
- /per
Fleece Performance Billet Holset Cheetah Turbocharger: Dodge Ram 2500 / Ram 3500 03-04 5.9L Diesel
Fleece Performance
$1,899.00
- Unit price
- /per
Fleece Performance Billet 63mm Cheetah Turbocharger: Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-12)
Fleece Performance
$3,099.00
- Unit price
- /per
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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.