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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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2098 Results

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Platinum Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
4.8 (8)

Regular price $535.95 $475.95 11% off

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American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024
usa

American Brother Designs Oil Cap Cover: Chrysler / Dodge / Jeep / Ram Hemi 2005 - 2024

American Brother Designs
4.5 (2)

Regular price $101.49 $69.00 32% off

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DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Platinum Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport
5.0 (3)

Regular price $818.95 $727.95 11% off

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

American Brother Designs Washer Fluid Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025

American Brother Designs

Regular price $109.00 $59.00 46% off

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DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014
DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

DiabloSport inTune i3 Programmer: 300 / Challenger / Charger / Magnum / Ram / Durango 2005 - 2014

Diablo Sport
5.0 (2)

Regular price $535.95 $475.95 11% off

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per 

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

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

American Brother Designs
5.0 (1)

Regular price $109.00 $59.00 46% off

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American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram
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American Brother Designs Engine Bay Tag: Chrysler / Dodge / Jeep / Ram

American Brother Designs
5.0 (1)

Regular price $76.00 $56.00 26% 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
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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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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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Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 2500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

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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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Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019
Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood SSK Functional Ram Air Hood: Dodge Ram 3500 2010 - 2019

Amerihood

Regular price $878.42 $694.36 21% off

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per 

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014
DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge  / Ram 2005 - 2014

DiabloSport Trinity 2 (T2 EX) Programmer / Monitor: Chrysler / Dodge 2005 - 2014

Diablo Sport

Regular price $818.95 $727.95 11% off

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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 

Spec D Euro Head Lights (Black): Dodge Ram 2006 - 2008
Spec D Euro Head Lights (Black): Dodge Ram 2006 - 2008

Spec D Euro Head Lights (Black): Dodge Ram 2006 - 2008

Spec D

Regular price $158.00 $117.00 26% off

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Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling
Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling

Bilstein B6 4600 Rear Shock (REAR): Dodge Ram 1500 4WD (02-10) / Ram 1500 (11-18) w/o Air Leveling

Bilstein

Regular price $136.85 $92.00 33% off

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

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

Spec D

Regular price $146.00 $108.00 26% off

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Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018
Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018

Spec D OEM Style Quad Headlights w/ LED Bar (Black): Dodge Ram 2009 - 2018

Spec D

Regular price $144.00 $107.00 26% off

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Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018
Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D LED Tail Lights (Matte Black w/ White LED Bar): Dodge Ram 2009 - 2018

Spec D

Regular price $396.00 $293.00 26% off

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

Maxtrac

Regular price $70.05 $60.50 14% off

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MaxTrac Twin Tube Gas Front Shock Absorber 2in Lift: Fits Most Dodge / Ram 1500 Models (2002-2018)
usa
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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Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018
Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018

Amerihood VIP Style Functional Ram Air Hood: Dodge Ram 2500 2010 - 2018

Amerihood

Regular price $900.00 $696.00 23% off

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per 

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 $369.00 31% 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
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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 LED Projector Headlights (Black): Dodge Ram 2009 - 2018
Spec D LED Projector Headlights (Black): Dodge Ram 2009 - 2018

Spec D LED Projector HeadLights (Black): Dodge Ram 2009 - 2016

Spec D

Regular price $324.00 $240.00 26% off

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Bilstein B8 5100 Front Shock: Dodge Ram 1500 2WD 2009 - 2018 (w/ 0-1.75" Front Lift)
Bilstein B8 5100 Front Shock: Dodge Ram 1500 2WD 2009 - 2018 (w/ 0-1.75" Front Lift)

Bilstein B8 5100 Front Shock: Dodge Ram 1500 2WD 2009 - 2018 (w/ 0-1.75" Front Lift)

Bilstein

Regular price $171.85 $123.00 28% off

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per 

Bilstein B6 4600 Front Shock (FRONT): Dodge Ram 1500 2WD (02-18) w/o Air Leveling
Bilstein B6 4600 Front Shock (FRONT): Dodge Ram 1500 2WD (02-18) w/o Air Leveling

Bilstein B6 4600 Front Shock (FRONT): Dodge Ram 1500 2WD (02-18) w/o Air Leveling

Bilstein

Regular price $154.85 $104.00 33% off

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per 

Bilstein B6 4600 Front Shock: Dodge Ram 1500 4WD 1994 - 2001 (w/ OEM Ride Height)
Bilstein B6 4600 Front Shock: Dodge Ram 1500 4WD 1994 - 2001 (w/ OEM Ride Height)

Bilstein B6 4600 Front Shock: Dodge Ram 1500 4WD 1994 - 2001 (w/ OEM Ride Height)

Bilstein

Regular price $136.85 $92.00 33% off

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per 

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 $286.95 11% off

Unit price
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