Shop 5.9L Diesel
Vibrant O2 Sensor Restrictor Fitting (STRAIGHT) w/ Adjustable Jets (CEL Eliminator)
Vibrant
Regular price from $22.99 25% off
- Unit price
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DiabloSport Modified PCM + i3 Programmer Combo: 2009+ Charger/Challenger/300 5.7L Hemi
Diablo Sport
from Free
American Brother Designs Coolant Reservoir Cap Cover: Chrysler, Dodge, Jeep & Ram 2005 - 2025
American Brother Designs
Regular price
$109.00
$59.00
46% off
- Unit price
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BBK O2 Sensor Wiring Extension Kit: Fits Most Chrysler/Dodge/Jeep (96-23) (Excl 2019+ Ram)
BBK
Regular price
$89.99
$69.99
22% off
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Amerihood SSK Functional Ram Air Hood: Dodge Ram 1500 2002 - 2008
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
Regular price
$878.42
$694.36
21% off
- Unit price
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PPE MicroPure XR Engine Oil Filter: Dodge Ram Cummins 1989-2024 5.9L/6.7L
PPE
$32.99
- Unit price
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Deatschwerks 60lb/hr Fuel Injectors: Fits Most Dodge/Ram (03-23)
Deatschwerks
$699.00
- Unit price
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Pedal Commander Bluetooth Throttle Response Controller: 300 / Challenger / Charger / Magnum 2007 - 2023 (All Models)
Pedal Commander
Regular price
$349.99
$299.99
14% off
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Amerihood VIP Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018
Amerihood
Regular price
$929.24
$737.92
21% off
- Unit price
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Amerihood CLG Functional Ram Air Hood: Dodge Ram 1500 2009 - 2018
Amerihood
Regular price
$878.42
$694.36
21% off
- Unit price
- /per
Stainless Works Long Tube Headers & Mid Pipes: Fits Most Dodge/Ram (09-18)
Stainless Works
Regular price from $2,560.25 Up to 5% off
- Unit price
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DeatschWerks Matched 550cc USCAR EV14 Fuel Injectors: Fits Most Dodge/Ram (03-23)
Deatschwerks
$649.00
- Unit price
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Gibson Ceramic Coated Performance Header: Dodge Dakota/Durango/Ram 1500 96-03 5.7L/5.2L
Gibson
$1,704.34
- Unit price
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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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Edge Digital Monitor Insight CTS3: Fits Most Domestic Gas and Diesel Trucks 1996-2024 w/ Windshield Mounting Bracket
Edge
Regular price
$575.95
$549.95
5% off
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Spec D Euro Tail Lights (Dark Smoke): Dodge Ram 2002 - 2006
Spec D
Regular price
$84.00
$62.00
26% off
- Unit price
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Maxtrac Twin Tube Gas Rear Shock Absorber 2in Lift: Fits Most Dodge/Ram (94-24)
Maxtrac
Regular price
$70.05
$60.50
14% off
- Unit price
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APS Black Stainless Lower Billet Grille: Dodge Ram Sport 2002 - 2005
APS
Regular price
$55.13
$44.10
20% off
- Unit price
- /per
DiabloSport Predator 2 Tuner: Dodge Ram / Durango / Dakota 2005 - 2018 (V6 & V8 Models)
Diablo Sport
Regular price
$532.95
$312.95
41% off
- Unit price
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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
- Unit price
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WeatherTech UnderLiner Bedliner Mat (Black): Fits Most Dodge/Ram 5.7L/3.6L/3.0L EcoDiesel (09-24) w/ 5'7 Bed (w/OUT Rambox)
WeatherTech
$94.95
- Unit price
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Spec D Euro Head Lights (Chrome): Dodge Ram 1994 - 2001
Spec D
Regular price
$113.00
$84.00
26% off
- Unit price
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PPE HD Cast Aluminum Rear Diff Cover: Dodge Ram 1500 1994-2025 9.25"-12-Bolt
PPE
from $299.99
- Unit price
- /per
Volant Cold Air Intake: Dodge Ram 1500/Ram 2500 94-00 5.9L Diesel/5.2L/3.9L
Volant
$385.99
- Unit price
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aFe Momentum HD Pro 10R Stage-2 Intake System: Dodge Ram 2500 / Ram 3500 03-07 5.9L Diesel
aFe
$420.00
- Unit price
- /per
JBA Shorty Headers (Raw Finish): Dodge Ram 1500/Ram 2500/Ram 3500 03-08 5.9L Diesel/5.7L/3.7L
JBA
Regular price
$968.75
$880.68
9% off
- Unit price
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Superchips Wireless Amp'd 2.0 Pedal Controller: Fits Most Dodge / Ram / Chrysler Models (2005-2026)
Superchips
Regular price
$322.95
$299.95
7% off
- Unit price
- /per
Bully Dog GT Platinum Tuner: Fits Most Chrysler/Dodge/Jeep/Ram (03-14)
Bully Dog
$399.00
- Unit price
- /per
AlphaRex 09-18 Dodge Ram 1500HD LUXX LED Proj Headlights Plnk Style Blk w/Activ Light/Seq Signal/DRL
AlphaRex
Regular price
$930.00
$845.00
9% off
- Unit price
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AlphaRex PRO LED Tail Lights (Jet Black): Fits Most Dodge/Ram (09-20)
AlphaRex
Regular price from $262.68 1% off
- Unit price
- /per
ANZO Full LED Square Projector Headlights (Chrome/Black Amber): Fits Most Dodge/Ram (09-23)
ANZO
$734.00
- Unit price
- /per
AVS Ventvisor In-Channel Window Deflectors (4PC, Smoke): Fits Most Dodge/Ram (09-25)
AVS
$69.99
- Unit price
- /per
King Chrysler Dodge Hemi 5.7L/6.1L V8 Performance Rod Bearing Set - Size STDX
King Engine Bearings
$207.65
- Unit price
- /per
Dee Zee Heavyweight Bed Mat Custom Fit 6 1/2Ft Bed: Fits Most Dodge/Ram (02-25)
Dee Zee
$127.45
- Unit price
- /per
Flowmaster FloxFX Exhaust System (Single Side Exit): Dodge Ram 3.9L, 5.2L & 5.9L 1994 - 2001 (1500 / 2500 / 3500)
Flowmaster
Regular price
$633.95
$584.95
8% off
- Unit price
- /per
Spec D LED Tail Lights (Dark Smoke, G2): Dodge Ram 2002 - 2005
Spec D
Regular price
$219.00
$162.00
26% off
- Unit price
- /per
Spec D Mesh Grille (Glossy Black): Dodge Ram 1994 - 2002
Spec D
Regular price
$134.00
$99.00
26% off
- Unit price
- /per
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
- Unit price
- /per
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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.