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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

Westin Black R5 M-Series W2W Nerf Step Bars: Dodge Ram 2500 / 3500 (09-19) / Ram 1500 (14-18)
Westin Black R5 M-Series W2W Nerf Step Bars: Dodge Ram 2500 / 3500 (09-19) / Ram 1500 (14-18)

Westin Black R5 M-Series W2W Nerf Step Bars: Dodge Ram 2500 / 3500 (09-19) / Ram 1500 (14-18)

Westin

Regular price $1,127.50 $901.99 20% off

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Go Rhino 4000 Series SideSteps Cab Length: Dodge Ram (94-10)
Go Rhino 4000 Series SideSteps Cab Length: Dodge Ram (94-10)
usa

Go Rhino 4000 Series SideSteps Cab Length: Dodge Ram (94-10)

Go Rhino

Regular price $344.49 $264.99 23% off

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Westin SS PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)
Westin SS PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin SS PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,602.50 $1,281.99 20% off

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Go Rhino 3000 Series StepGuard Center Grille Guard: Dodge Ram 2500 / 3500 (02-18) - Black
Go Rhino 3000 Series StepGuard Center Grille Guard: Dodge Ram 2500 / 3500 (02-18) - Black
usa

Go Rhino 3000 Series StepGuard Center Grille Guard: Dodge Ram 2500 / 3500 (02-18) - Black

Go Rhino

Regular price $597.99 $459.99 23% off

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Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)
Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)

Westin Polished SS R5 M-Series Nerf Step Bars: Ram 1500 (14-18) / 2500 (09-19) / 3500 (09-19)

Westin

Regular price $1,516.25 $1,212.99 20% off

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Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)
Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)

Westin Drop W2W Nerf Step Bars (SIDE): Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,646.25 $1,316.99 20% off

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Westin SS Nerf Step Bars (SIDE): Fits Dodge / Ram (09-26)
Westin SS Nerf Step Bars (SIDE): Fits Dodge / Ram (09-26)
Westin SS Winch Tray Face Plate: Ram 2500 / Ram 3500 (10-23)
Westin SS Winch Tray Face Plate: Ram 2500 / Ram 3500 (10-23)
Westin Textured Black Xtreme Nerf Step Bars: Fits Dodge / Ram (09-26)
Westin Textured Black Xtreme Nerf Step Bars: Fits Dodge / Ram (09-26)

Westin Textured Black Xtreme Nerf Step Bars: Fits Dodge / Ram (09-26)

Westin

Regular price $880.00 $703.99 20% off

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Westin R5 M-Series Polished Stainless Steel Nerf Step Bars: Ram 2500 (2010-2019) / 3500 (2010-2019)
Westin R5 M-Series Polished Stainless Steel Nerf Step Bars: Ram 2500 (2010-2019) / 3500 (2010-2019)

Westin R5 M-Series Polished Stainless Steel Nerf Step Bars: Ram 2500 (2010-2019) / 3500 (2010-2019)

Westin

Regular price $1,516.25 $1,212.99 20% off

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Method Wheels 321 / Machined - Clear Coat | 17x8.5 | 5x5.5 | 0/4.72"
Method Wheels 321 / Machined - Clear Coat | 17x8.5 | 5x5.5 | 0/4.72"
Westin Black R5 XD Nerf Step Bars (SIDE): Fits Dodge Ram 1500 / 2500 / 3500 (09-24)
Westin Black R5 XD Nerf Step Bars (SIDE): Fits Dodge Ram 1500 / 2500 / 3500 (09-24)

Westin Black R5 XD Nerf Step Bars (SIDE): Fits Dodge Ram 1500 / 2500 / 3500 (09-24)

Westin

Regular price $868.75 $694.99 20% off

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Westin Black PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)
Westin Black PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin Black PRO TRAXX 5 WTW Oval Nerf Step Bars: Dodge Ram 2500 / 3500 (10-19)

Westin

Regular price $1,303.75 $1,042.99 20% off

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Mishimoto Intercooler Pipe & Boot Kit 3.5in (F&R): RAM 2500/3500 2009-2012 6.7L Cummins
Mishimoto Intercooler Pipe & Boot Kit 3.5in (F&R): RAM 2500/3500 2009-2012 6.7L Cummins

Mishimoto Intercooler Pipe & Boot Kit 3.5in (F&R): RAM 2500/3500 2009-2012 6.7L Cummins

Mishimoto

Regular price $539.00 $489.95 9% off

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Mishimoto Intercooler Pipe & Boot Kit (3.5in) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Pipe & Boot Kit (3.5in) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto Intercooler Pipe & Boot Kit (3.5in) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto

Regular price $495.00 $449.95 9% off

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Mishimoto Intercooler Kit Black (F&R): Dodge Ram 2500/3500 2003-2007 5.9L Cummins
Mishimoto Intercooler Kit Black (F&R): Dodge Ram 2500/3500 2003-2007 5.9L Cummins

Mishimoto Intercooler Kit Black (F&R): Dodge Ram 2500/3500 2003-2007 5.9L Cummins

Mishimoto

Regular price $1,679.00 $1,525.95 9% off

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Mishimoto Intercooler Kit Silver (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Kit Silver (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto Intercooler Kit Silver (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto

Regular price $1,738.00 $1,579.95 9% off

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Mishimoto Intercooler Kit Black (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins
Mishimoto Intercooler Kit Black (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto Intercooler Kit Black (BAR-PLATE) (INLET): Dodge / RAM 2500/3500 07.5-09 6.7L Cummins

Mishimoto

Regular price $1,738.00 $1,579.95 9% off

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Prothane Red Cab Mounts: Dodge Ram 1500 (95-97) / Ram 2500 (95-01)
usa
Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)
Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)
usa

Corsa Performance Sport Muffler Upgrade Kit: Dodge Ram 2500 (94-10) / Ram 3500 (94-07)

CORSA Performance

Regular price $621.99 $570.99 8% off

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Westin Wade Platinum Bug Shield: Fits Dodge / Ram (09-24)
Westin Wade Platinum Bug Shield: Fits Dodge / Ram (09-24)
ARP Rod Bolt Kits: Dodge Ram 2500 (94-09) / Ram 3500 (94-07)
usa
Smarty S-03 Tuner: Fits Most Dodge Ram Models
Smarty S-03 Tuner: Fits Most Dodge Ram Models

Smarty S-03 Tuner: Fits Most Dodge Ram Models

Smarty

$645.00

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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