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Shop 5.9L Diesel

Explore 5.9L Magnum Diesel Parts and Upgrades The 5.9L V8 Magnum diesel is a legendary Chrysler small block known for its durability and reliable torque delivery. Found in Ram trucks, Dakota, and Durango models from the ’90s through early 2000s, this classic Mopar engine remains a favorite for those seeking dependable diesel performance. At FastHemis, you’ll find a range of parts designed specifically for the 5.9L Magnum diesel platform. Whether you’re maintaining your truck or upgrading for better reliability and bolt-on power, our selection includes fuel system components, turbo upgrades, and essential maintenance parts tailored to this engine’s unique needs. Key benefits of upgrading your 5.9L Magnum diesel: - Enhanced torque and towing capability - Improved fuel delivery and efficiency - Reliable bolt-on performance parts - Classic Mopar compatibility and fitment Shop 5.9L Magnum diesel upgrades at FastHemis.
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1608 Results

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)

Vibrant
5.0 (1)

Regular price from $22.99 25% off

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American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
usa

American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
BBK O2 Sensor Wiring Extension Kit: Chrysler / Dodge / Ram / Jeep Vehicles 2003 - 2025 (Excl 2019+ Ram)
usa

BBK O2 Sensor Wiring Extension Kit: Fits Most Chrysler/Dodge/Jeep (96-23) (Excl 2019+ Ram)

BBK
5.0 (1)

Regular price $89.99 $69.99 22% off

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Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008
Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008

Amerihood
4.0 (1)

Regular price $878.42 $694.36 21% off

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per 

DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
DeatschWerks 42lb Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)

DeatschWerks 42lb Fuel Injectors: Fits Most Dodge/Ram (03-24)

Deatschwerks

$439.00

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Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018
Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood TYPE-VIP STYLE Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood

Regular price $878.42 $694.36 21% off

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Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Deatschwerks 60lb/hr Fuel Injectors: Chrysler / Dodge / Jeep / Ram 2003 - 2025 (5.7L Hemi, 6.1L SRT8, 6.4L 392)
Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2024 (All Models)
Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2024 (All Models)
Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 ; Ram 1500 2011 - 2018
Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 ; Ram 1500 2011 - 2018

Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood

Regular price $929.24 $737.92 21% off

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Amerihood CLG Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 / Ram 1500 2011 - 2018
Amerihood CLG Functional Ram Air Hood: Dodge Ram 1500 2009 - 2010 / Ram 1500 2011 - 2018

Amerihood CLG Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018

Amerihood
5.0 (2)

Regular price $878.42 $694.36 21% off

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per 

Stainless Works Long Tube Headers and Mid Pipes: Dodge Ram 1500 / Ram 1500 / Ram 2500 / Ram 3500
Stainless Works Long Tube Headers and Mid Pipes: Dodge Ram 1500 / Ram 1500 / Ram 2500 / Ram 3500
usa

Stainless Works Long Tube Headers & Mid Pipes: Fits Most Dodge/Ram (09-18)

Stainless Works
5.0 (1)

Regular price from $2,560.25 Up to 5% off

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Flowtech Shorty Headers (Black Painted): Dodge Ram / Dakota / Durango 5.2L & 5.9L V8 1996 - 2003
Flowtech Shorty Headers (Black Painted): Dodge Ram / Dakota / Durango 5.2L & 5.9L V8 1996 - 2003

Flowtech Shorty Headers (Black Painted): Dodge Ram / Dakota / Durango 5.2L & 5.9L V8 1996 - 2003

Flowtech

Regular price $518.95 $478.95 8% off

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Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006
Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006

Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006

Spec D

Regular price $84.00 $62.00 26% off

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Maxtrac Twin Tube Gas Rear Shock Absorber 2in Lift: Fits Most Dodge / Ram Models (1994-2018)
usa

Maxtrac Twin Tube Gas Rear Shock Absorber 2in Lift: Fits Most Dodge/Ram (94-24)

Maxtrac

Regular price $70.05 $60.50 14% off

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APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005
APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005

APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005

APS

Regular price $55.13 $44.10 20% off

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DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
DiabloSport Predator 2 Tuner: Dodge Ram / Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

DiabloSport Predator 2 Tuner: Dodge Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)

Diablo Sport
5.0 (2)

Regular price $532.95 $312.95 41% off

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Baer 15" Extreme Front Big Brake Kit: Dodge Ram 1500 2002 - 2023
Baer 15" Extreme Front Big Brake Kit: Dodge Ram 1500 2002 - 2023
usa

Baer 15" Extreme Front Big Brake Kit: Dodge Ram 1500 2002 - 2023

Baer

Regular price from $3,935.00 9% off

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Stopping Power
Noise Level
Performance Over Stock
Dust Levels
Spec D Euro Head Lights (Chrome): Dodge Ram 1994 - 2001
Spec D Euro Head Lights (Chrome): Dodge Ram 1994 - 2001

Spec D Euro Head Lights (Chrome): Dodge Ram 1994 - 2001

Spec D

Regular price $113.00 $84.00 26% off

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per 

JBA Shorty Headers (Raw Finish): Dodge Ram 5.7L Hemi 2003 - 2008 (1500, 2500 & 3500)
JBA Shorty Headers (Raw Finish): Dodge Ram 5.7L Hemi 2003 - 2008 (1500, 2500 & 3500)
Superchips Wireless Amp'd 2.0 Pedal Controller: Fits Most Dodge / Ram / Chrysler Models (2005-2026)

Superchips Wireless Amp'd 2.0 Pedal Controller: Fits Most Dodge / Ram / Chrysler Models (2005-2026)

Superchips
5.0 (1)

Regular price $322.95 $299.95 7% off

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Bully Dog GT Platinum Tuner: Fits Dodge/Jeep/Ram 2003-2014 5.7/6.1L HEMI
Bully Dog GT Platinum Tuner: Fits Dodge/Jeep/Ram 2003-2014 5.7/6.1L HEMI
AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018
AlphaRex PRO LED Tail Lights (Jet Black): Dodge Ram 2009 - 2018

AlphaRex PRO LED Tail Lights (Jet Black): Fits Most Dodge/Ram (09-20)

AlphaRex
5.0 (1)

Regular price from $262.68 1% off

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per 

King Chrysler Dodge Hemi 5.7L/6.1L V8 Performance Rod Bearing Set - Size STDX
Flowmaster FloxFX Exhaust System (Single Side Exit): Dodge Ram 3.9L, 5.2L & 5.9L 1994 - 2001 (1500 / 2500 / 3500)
Flowmaster FloxFX Exhaust System (Single Side Exit): Dodge Ram 3.9L, 5.2L & 5.9L 1994 - 2001 (1500 / 2500 / 3500)
usa
Spec D LED Tail Lights (Dark Smoke, G2): Dodge Ram 2002 - 2005
Spec D LED Tail Lights (Dark Smoke, G2): Dodge Ram 2002 - 2005

Spec D LED Tail Lights (Dark Smoke, G2): Dodge Ram 2002 - 2005

Spec D

Regular price $219.00 $162.00 26% off

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Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002
Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002

Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002

Spec D

Regular price $134.00 $99.00 26% off

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per 

Spec D Riveted Style Fender Flares (Smooth Black V2, 4pc): Dodge Ram 1500 2009 - 2018
Spec D Riveted Style Fender Flares (Smooth Black V2, 4pc): Dodge Ram 1500 2009 - 2018

Spec D Riveted Style Fender Flares (Smooth Black V2, 4pc): Dodge Ram 1500 2009 - 2018

Spec D

Regular price $146.00 $108.00 26% off

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per 

Durable 5.9L Magnum Diesel Parts for Reliable Mopar Performance

The 5.9L V8 Magnum diesel engine is a classic Mopar powerhouse known for its torque and longevity. Found in Ram trucks, Dakota, and Durango models from the ’90s through the early 2000s, this engine remains a favorite for diesel enthusiasts seeking dependable performance and straightforward upgrades tailored to its design.

Keeping your 5.9L Magnum running strong

Routine maintenance is key to preserving the reliability of your 5.9L Magnum diesel. Focus on fuel system health, cooling components, and ignition parts designed specifically for this engine. Regular inspections and timely replacement of wear items prevent downtime and keep your truck ready for work or play.

  • Inspect and replace fuel filters to maintain clean fuel delivery
  • Check glow plugs and ignition components for reliable cold starts
  • Maintain cooling system integrity to avoid overheating
  • Use OEM-compatible parts for proper fit and function

Performance upgrades for the classic 360 V8

While the 5.9L Magnum diesel is built for durability, there are bolt-on upgrades that improve torque delivery and efficiency. Upgrading fuel system components, turbochargers, and intake manifolds can enhance power and drivability without sacrificing reliability. These modifications are well-supported by Mopar aftermarket parts designed to fit this engine platform.

Bolt-on power gains and parts selection at FastHemis

FastHemis offers a curated selection of 5.9L Magnum diesel parts to help you maintain or upgrade your Mopar truck with confidence. From fuel system upgrades to turbo components and essential maintenance items, our inventory is tailored to the unique needs of this engine. Shop our 5.9L Magnum diesel collection to find parts that deliver dependable performance and classic Mopar fitment.

SELECT YOUR VEHICLE