Collection: 2003-2004 5.9L 24V Cummins Engine & Performance
2003-2004 5.9L 24V Cummins Engine & Performance
Unlock Maximum Power with Engine & Performance Parts for Your 2003-2004 5.9L Cummins
Boost your truck's power, efficiency, and reliability with high-performance engine parts and accessories for the 2003-2004 5.9L 24V Cummins. Whether...
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FASS Adjustable Diesel Fuel Lift Pump 250GPH Dodge Cummins 5.9L 1998.5-2004
Regular price $752.00 USDSale price $752.00 USD Regular priceUnit price / per$791.58 USDSale -
FASS FASD08100G Adjustable Diesel Fuel Lift Pump 100GPH Dodge Cummins 5.9L 1998.5-2004
Regular price $591.00 USDSale price $591.00 USD Regular priceUnit price / per$622.11 USDSale -
FASS DRP04 Dodge Replacement System Dodge Cummins 5.9L 2003-2004
Regular price $398.00 USDSale price $398.00 USD Regular priceUnit price / per$418.95 USDSale -
No-Drop Series Plus Fuel System for 1998.5-2004 Dodge Cummins 5.9L (1200-1500hp) FASS
Regular price $999.00 USDSale price $999.00 USD Regular priceUnit price / per$1,051.58 USDSale -
No-Drop Series Plus Fuel System for 1998.5-2004.5 Dodge Cummins 5.9L (900-1200hp) FASS
Regular price $949.00 USDSale price $949.00 USD Regular priceUnit price / per$998.95 USDSale -
FASS No Drop Series Fuel System for 1998.5-2004.5 Dodge RAM Cummins 5.9L (900-1200hp)
Regular price $924.00 USDSale price $924.00 USD Regular priceUnit price / per$972.63 USDSale -
FASS Adjustable Diesel Fuel Lift Pump 165GPH Dodge Cummins 5.9L 1998.5-2004
Regular price $644.00 USDSale price $644.00 USD Regular priceUnit price / per$677.89 USDSale -
Drop-In Series Fuel System for 03 to 07 Dodge/RAM Cummins 5.9L FASS
Regular price $479.00 USDSale price $479.00 USD Regular priceUnit price / per$504.21 USDSale -
03-09 5.9/6.7L Cummins Factory Fuel Filter Housing Delete FASS
Regular price $79.00 USDSale price $79.00 USD Regular priceUnit price / per$83.16 USDSale -
3/8 Inch Quick Connect to -8AN Male Adapter for OEM Dodge Ram Cummins Sending Unit Fleece Performance
Regular price $17.99 USDSale price $17.99 USD Regular priceUnit price / per$18.89 USDSale -
SureFlo Performance Sending Unit For 03-04 Dodge Ram with Cummins Fleece Performance
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per$397.95 USDSale -
Cummins Multiuse Sensor Pigtail 4 1995-2020 Dodge 2500/3500 Fleece Performance
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per$31.49 USDSale -
Factory Oil Feed Line Fitting for Holset Turbochargers Fleece Performance
5.0 / 5.0
(1) 1 total reviews
Regular price $18.99 USDSale price $18.99 USD Regular priceUnit price / per$19.99 USDSale -
Cummins Multiuse Sensor Pigtail 2 1997-2019 Dodge 2500/3500 Fleece Performance
Regular price $32.99 USDSale price $32.99 USD Regular priceUnit price / per$34.64 USDSale -
Cummins Billet Oil Cap Cover Fleece Performance
Regular price $34.99 USDSale price $34.99 USD Regular priceUnit price / per$36.74 USDSale -
Cummins 5.9L MAP Sensor 6 Inch Pigtail Fleece Performance
Regular price $21.99 USDSale price $21.99 USD Regular priceUnit price / per$23.09 USDSale -
Fuel Heater Connector and 6 Inch Pigtail for RAM Cummins 5.9/6.7L Fleece Performance
Regular price $17.99 USDSale price $17.99 USD Regular priceUnit price / per$18.89 USDSale -
2003-2012 Cummins Cooling Fan Pigtail Fleece Performance
Regular price $59.99 USDSale price $59.99 USD Regular priceUnit price / per$62.99 USDSale -
Cummins Valve Cover Conversion Harness (2006-2018 to 03-05) Fleece Performance
Regular price $139.99 USDSale price $139.99 USD Regular priceUnit price / per$146.99 USDSale -
Starter Solenoid Pigtail for 2003-2018 RAM Cummins Fleece Performance
Regular price $35.99 USDSale price $35.99 USD Regular priceUnit price / per$37.79 USDSale -
Cummins Valve Cover Conversion Harness (03-05 to 2006-2018) Fleece Performance
Regular price $139.99 USDSale price $139.99 USD Regular priceUnit price / per$146.99 USDSale -
Valve Cover Injector Pigtail (4-pin) for 2003-2005 RAM with Cummins Fleece Performance
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per$31.49 USDSale -
Cummins Crankshaft and Camshaft Sensor Pigtail 2003-2018 Dodge 2500/3500 Fleece Performance
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per$31.49 USDSale -
Cummins Crankshaft Position Sensor Extension Harness 2003-2018 Dodge 2500/3500 Fleece Performance
Regular price $59.99 USDSale price $59.99 USD Regular priceUnit price / per$62.99 USDSale -
5.9L Freedom Series Cummins Cylinder Head (Street HD) 2003-2007 Dodge 2500-3500 Cummins Fleece Performance
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price / per$2,699.00 USDSale -
Fleece Performance Exhaust Manifold Stud Kit - 4mm Allen Socket Head Fleece Performance
Regular price $229.99 USDSale price $229.99 USD Regular priceUnit price / per$241.49 USDSale -
Fleece Performance Exhaust Manifold Stud Kit - 7mm External Hex Head Fleece Performance
Regular price $229.99 USDSale price $229.99 USD Regular priceUnit price / per$241.49 USDSale -
2003-2007 Cummins Coolant Bypass Brackets Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per$73.49 USDSale
2003-2004 5.9L 24V Cummins Engine & Performance
Unlock Maximum Power with Engine & Performance Parts for Your 2003-2004 5.9L Cummins
Boost your truck's power, efficiency, and reliability with high-performance engine parts and accessories for the 2003-2004 5.9L 24V Cummins. Whether you need turbochargers, intake systems, or fuel system upgrades, we offer premium components from top brands like Banks, Fleece Performance, and H&S Motorsports to enhance your engine's capabilities.
High-Performance Engine Components for 5.9L Cummins
Our engine performance parts are designed to increase horsepower, torque, and overall engine efficiency. From upgraded fuel systems to custom tuning and turbocharger parts, these components ensure your truck is ready for heavy-duty use or high-performance applications.
Why Choose Our Engine & Performance Parts?
Upgrading your engine with the right performance parts ensures better power delivery, improved fuel economy, and enhanced towing capacity. These products are engineered for durability and optimal performance under the toughest conditions.
Key Features:
- Increased Power: Boosts horsepower and torque for superior engine performance.
- Enhanced Efficiency: Improves fuel economy and overall engine performance.
- Durability: Built to withstand heavy-duty use and extreme driving conditions.





















