5.9L / 6.7L Diesel Engine Upgrades
Mishimoto Low-Temp Thermostat 174°F: Dodge Ram 2500 / 3500 1994-1998 5.9L Cummins
Mishimoto
Regular price
$92.00
$83.95
9% off
- Unit price
- /per
Mishimoto Factory-Fit Silicone Boot Kit DuraCore: Dodge Ram 2500 / 3500 1994-2002 5.9L
Mishimoto
Regular price
$351.00
$318.95
9% off
- Unit price
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K&N 57 Series Cold Air Intake: Dodge Ram 2500 / Ram 3500 94-02 5.9L Diesel
K&N Engineering
$367.99
- Unit price
- /per
K&N Drop-In Air Filter: Dodge Ram 2500 / Ram 3500 94-02 5.9L Diesel
K&N Engineering
$104.99
- Unit price
- /per
Kooks SS Mopar Flange (BANK): Fits Most Chrysler/Dodge/Jeep/Ram (05-16)
Kooks Headers
Regular price
$64.08
$57.67
10% off
- Unit price
- /per
K&N 63 Series Cold Air Intake: Ram 2500 / 3500 13-18 6.7L Diesel
K&N Engineering
$419.99
- Unit price
- /per
Mishimoto Aluminum Degas Tank Black: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$593.00
$538.95
9% off
- Unit price
- /per
Mishimoto Intercooler Pipe & Boot Kit: Ram 2500 / 3500 13-18 6.7L Diesel
Mishimoto
Regular price
$537.00
$487.95
9% off
- Unit price
- /per
K&N Engineering Fuel Filter: Ram 2500 / 3500 13-18 6.7L Diesel
K&N Engineering
$62.99
- Unit price
- /per
Mishimoto Silver Intercooler Kit: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$2,310.00
$2,099.95
9% off
- Unit price
- /per
Mishimoto Black Intercooler Kit: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$2,310.00
$2,099.95
9% off
- Unit price
- /per
Mishimoto Silver Intercooler: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$2,081.00
$1,891.95
9% off
- Unit price
- /per
Mishimoto Black Intercooler: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$2,081.00
$1,891.95
9% off
- Unit price
- /per
Mishimoto Factory Boot Kit Black: Ram 2500 / 3500 2013-2018 6.7L Diesel
Mishimoto
Regular price
$370.00
$335.95
9% off
- Unit price
- /per
K&N Engineering Fuel Filter: Ram 2500 / 3500 11-24 6.7L Diesel
K&N Engineering
$52.99
- Unit price
- /per
Flowmaster American Thunder Exhaust System: Dodge Ram 3.9L, 5.2L & 5.9L 1994 - 2001 (1500 / 2500 / 3500)
Flowmaster
Regular price
$899.95
$849.95
6% off
- Unit price
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DiabloSport 9050 - Trinity T2 MX Vehicle Monitor
Diablo Sport
Regular price
$771.95
$726.95
6% off
- Unit price
- /per
Magnaflow Black DPF 4in Dual Single Passenger Side Rear Exit Exhaust (REAR): Fits Most Dodge/Ram 6.7L Diesel/5.9L Diesel (07-18)
Magnaflow
$931.00
- Unit price
- /per
Westin Black Sensor Relocator (FRONT): Fits Most Dodge/Ram (09-24)
Westin
Regular price
$135.00
$107.99
20% off
- Unit price
- /per
MBRP Aluminum Single Side Exit Filter Back Exhaust: Ram 2500 / 3500 11-12 6.7L Diesel/5.7L
MBRP
Regular price
$531.16
$429.99
19% off
- Unit price
- /per
Go Rhino OE Xtreme Cab Length Side Step Brackets: Fits Most Dodge/Ram (09-25)
Go Rhino
Regular price
$201.49
$154.99
23% off
- Unit price
- /per
Go Rhino OE Xtreme Cab Length Side Step Brackets: Fits Most Dodge (02-09)
Go Rhino
Regular price
$201.49
$154.99
23% off
- Unit price
- /per
Fel-Pro Axle Housing Cover Gasket Octagonal 12 Bolt Hole: Fits Most Dodge/Ram (94-21)
Fel-Pro
$23.00
- Unit price
- /per
Banks Power Boost Tube Upgrade Kit 3.5in Raw (F&R): Ram 2500 / 3500 13-18 6.7L Diesel
Banks Power
Regular price
$487.78
$439.00
10% off
- Unit price
- /per
Clevite Chrysler V8 5.7L 6.1L 6.4L Hemi Con Rod Bearing Set (CB1808P(8))
Clevite
$250.27
- Unit price
- /per
Injen Black Edition X-Pedal Pro Throttle: Fits Most Chrysler/Dodge/Jeep/Ram (11-20) - Black
Injen
$263.25
- Unit price
- /per
Injen EVO8007 Evolution Cold Air Intake System Dry Filter: Ram 2500 / 3500 13-18 6.7L Diesel
Injen
$412.72
- Unit price
- /per
Deatschwerks 1250cc Fuel Injectors: Fits Most Dodge/Ram (03-17)
Deatschwerks
$1,049.00
- Unit price
- /per
Deatschwerks 1200cc Fuel Injectors: Fits Most Dodge/Ram (03-23)
Deatschwerks
$1,049.00
- Unit price
- /per
Magnaflow Universal Catalytic Converter 2.5in In/Out - Stainless Steel
Magnaflow
$549.00
- Unit price
- /per
Odyssey Battery HD Extreme AGM Battery: Fits Most Dodge/Jeep (99-10)
Odyssey Battery
Regular price
$488.12
$436.99
10% off
- Unit price
- /per
aFe Magnum Flow OE Replacement Air Filter: Dodge Ram 2500 / Ram 3500 94-02 5.9L Diesel w/ Pro GUARD 7 Media
aFe
$120.00
- Unit price
- /per
Superchips Amp'd 2.0 Wireless Pedal Controller: Ram 1500 (14-21) / 2500 (05-24) / 3500 (05-20)
Superchips
Regular price
$322.95
$299.95
7% off
- Unit price
- /per
Banks Power Boost Tube Upgrade Kit 3.5in Red (F&R): Ram 2500 / 3500 13-18 6.7L Diesel
Banks Power
Regular price
$510.00
$459.00
10% off
- Unit price
- /per
aFe Quantum Cold Air Intake System Pro DRY S Filter (REAR): Dodge Ram 2500 / Ram 3500 03-07 5.9L Diesel
aFe
$376.00
- 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.