5.9L / 6.7L Diesel Engine Upgrades
Tuff Country 2° Axle Shims 3in Wide w/ 1/2in Pins: Fits Dodge Ram 2500/3500 2003-2024 5.7L/6.4L/6.7L Diesel
Tuff Country
$108.90
- Unit price
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Fleece Performance OE Replacement Rocker Arm Assembly: Dodge Ram 1998-2018 5.9L/6.7L Diesel
Fleece Performance
$119.99
- Unit price
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BD Diesel Premium Perf Injector: Ram 2500 / 3500 2013-2018 6.7L Diesel
BD Diesel
$483.95
- Unit price
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BD Diesel X-Flow Air Intake Heater Kit: Fits Dodge Ram 2008-2016 5.7L/6.7L Diesel
BD Diesel
$146.95
- Unit price
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BD Diesel Stock Perf Plus Injector: Ram 2500 / 3500 2013-2018 6.7L Diesel
BD Diesel
$411.95
- Unit price
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Fleece Performance Stage 2 3/8in Pushrods: Dodge Ram 1998-2018 5.9L/6.7L Diesel
Fleece Performance
$400.14
- Unit price
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Fleece Performance Dual Pump Controller (5.9L & 6.7L CP3): Fits Dodge Ram 2003-2018 Diesel
Fleece Performance
$179.55
- Unit price
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BD Diesel Standard Output Stock Replacement Injector: Ram 2500 / 3500 2019-2021 6.7L Diesel
BD Diesel
$944.00
- Unit price
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BD Diesel Electronic Exhaust Brake 4.0in: Ram 2500/3500 2007-2017 5.9L/6.7L Diesel
BD Diesel
$1,077.95
- Unit price
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King Engine Bearings Cracked Rod Bearing 0.75mm (Set of 6): Dodge Ram 2500/3500 5.9L/6.7L Diesel 2005-2018
King Engine Bearings
$14.40
- Unit price
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CSF OEM Intercooler: Ram 2500 / 3500 2013-2018 6.7L Diesel
CSF
Regular price
$849.00
$799.00
6% off
- Unit price
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Yukon Gear & Axle Bearing Install Kit 9.25in Diff: Fits Dodge Ram 2003-2018 3.6L-8.3L
Yukon Gear & Axle
$442.89
- Unit price
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BD Diesel ProTect68 Pressure Control Kit: Fits Dodge/Ram 2007-2019 5.9L/6.7L Diesel
BD Diesel
$395.95
- Unit price
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Fleece Performance Fuel Distribution Block: Dodge Ram 2500 / 3500 2010-2018 6.7L Diesel
Fleece Performance
$166.66
- Unit price
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BD Diesel Premium Stock Injector: Dodge Ram 2500/3500 2007-2012 5.9L/6.7L Diesel
BD Diesel
$456.95
- Unit price
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aFe BladeRunner AL Cold Charge Pipe Black 3.5in: Ram 2500/3500 2025-2026 6.7L Diesel
aFe
$323.00
- Unit price
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aFe BladeRunner Turbocharger Actuator 6.7L Diesel: Dodge Ram 2007-2018
aFe
$1,099.00
- Unit price
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Clevite B Series Bi-Metal 50MM Con Rod Bearing Set: Dodge Ram 5.9L / 6.7L Diesel 2003-2013
Clevite
$34.58
- Unit price
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Snow Performance Stage 3 Boost Cooler Water Injection Kit (W/O Tank): Dodge Ram 2007-2017 5.9L/6.7L Diesel
Snow Performance
Regular price
$1,458.35
$1,041.68
29% off
- Unit price
- /per
BD Diesel High Output Injector: Ram 2500 / 3500 2022-2024 6.7L Diesel
BD Diesel
$714.64
- Unit price
- /per
King Engine Bearings Main Bearing Set 0.75mm: Dodge Ram 2500/3500 5.9L/6.7L Diesel 1994-2024
King Engine Bearings
$148.45
- Unit price
- /per
BD Diesel Turbo Mounting Kit HE300: Ram 2500 / 3500 2019-2023 6.7L Diesel
BD Diesel
$129.95
- Unit price
- /per
Snow Performance Stg 3 Boost Cooler Water Inj. Kit SS Braided Line (W/O Tank): Dodge Ram 2007-2017 5.9L/6.7L Diesel
Snow Performance
Regular price
$1,750.02
$1,250.02
29% off
- Unit price
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Fleece Performance Reman Cummins Cylinder Head Street: Dodge Ram 2500/3500 2007-2018 5.9L/6.7L Diesel
Fleece Performance
$2,199.00
- Unit price
- /per
Victor Reinz Rocker Cover Gasket: Dodge Ram 2500/3500 2003-2024 5.9L / 6.7L Diesel
Victor Reinz
$33.04
- Unit price
- /per
BD Diesel Exhaust Manifold T4 Mount Gasket Set: Fits Dodge Ram 1998-2018 5.9L/6.7L
BD Diesel
$92.95
- Unit price
- /per
BD Diesel 2 Low UnLoc (LOCKER): Fits Dodge Ram 1500 / 2500 / 3500 2009-2024
BD Diesel
$200.95
- Unit price
- /per
Diamond Eye KIT 5in DPF Single SS: Dodge Ram 2500 / 3500 2007-12 Diesel
Diamond Eye Performance
$902.74
- Unit price
- /per
Titan Fuel Tanks 50 Gal XXL Mid-Ship Fuel Tank: Fits Ram 2500/3500 2013-2025 6.7L Diesel
Titan Fuel Tanks
Regular price
$1,459.00
$1,386.05
5% off
- Unit price
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Fleece Performance SS Exhaust Manifold Stud Kit 7mm Hex: Dodge Ram 1994-2018 5.9L/6.7L Diesel
Fleece Performance
$229.99
- Unit price
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Clevite H-Series 25mm Con Rod Bearing Set: Dodge Ram 2500/3500 5.9L/6.7L Diesel 2003-2013
Clevite
$40.45
- Unit price
- /per
King Engine Bearings Rod Bearing Set +0.25mm: Dodge Ram 2500/3500 2005-2012 5.9L/6.7L Diesel
King Engine Bearings
$17.50
- Unit price
- /per
Clevite H-Series Con Rod Bearing Set: Dodge Ram 2500/3500 5.9L/6.7L Diesel 2003-2013
Clevite
$54.00
- Unit price
- /per
BD Diesel ProTect68 Gasket Plate Kit: Ram 2500 / 3500 2019-2024 6.7L Diesel
BD Diesel
$197.95
- Unit price
- /per
Mahle OE Moly Ring Set: Fits Dodge Ram / Cummins 6.7L Diesel 2007-2017
Mahle OE
$571.20
- Unit price
- /per
Clevite B Series Bi-Metal 75MM Con Rod Bearing Set: Dodge Ram 5.9L / 6.7L Diesel 2003-2013
Clevite
$26.77
- Unit price
- /per
Fleece Perf PowerFlo Lift Pump Assembly: Ram 2500/3500 6.7L Diesel 2020-2024
Fleece Performance
$799.00
- Unit price
- /per
Fleece Performance Fuel Distribution Block Hose & Fitting Kit: Dodge Ram 2500 / 3500 2010-2018 6.7L Diesel
Fleece Performance
$160.95
- Unit price
- /per
Fleece Performance Dual Pump Hardware Kit: Ram 2500 / 3500 2013-2018 6.7L Diesel
Fleece Performance
$780.00
- 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.