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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2003-2007 Cummins Fuel Distribution Block Hose and Fitting Kit Fleece Performance
Regular price $160.95 USDSale price $160.95 USD Regular priceUnit price / per$169.00 USDSale -
Cummins 24V Spring and Retainer Set Fleece Performance
Regular price $499.99 USDSale price $499.99 USD Regular priceUnit price / per$524.98 USDSale -
OE Replacement Rocker Arm Assembly for 5.9L and 6.7L Cummins Engines Fleece Performance
Regular price $119.99 USDSale price $119.99 USD Regular priceUnit price / per$125.99 USDSale -
Lower Heater Return Hose for 2003-2012 Cummins Equipped Ram Fleece Performance
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per$41.99 USDSale -
2003-2012 Cummins Fan Drive Pulley Black Finish Fleece Performance
Regular price $91.19 USDSale price $91.19 USD Regular priceUnit price / per$95.99 USDSale -
5.9L Freedom Series Cummins Cylinder Head Performance Fleece Performance
Regular price $3,750.00 USDSale price $3,750.00 USD Regular priceUnit price / per$3,899.00 USDSale -
5.9L Dual Pump Hardware Kit for 03-07 Ram 2500/3500 Cummins Fleece Performance
Regular price $780.00 USDSale price $780.00 USD Regular priceUnit price / per$819.00 USDSale -
Water Resistant Pre-Filter (FPE-34133) Fleece 2nd Gen Swap Air Filter Fleece Performance
Regular price $44.17 USDSale price $44.17 USD Regular priceUnit price / per$46.50 USDSale -
2003-2004 Cummins 63mm FMW Holset Cheetah Turbocharger Fleece Performance
Regular price $1,899.00 USDSale price $1,899.00 USD Regular priceUnit price / per$1,993.95 USDSale -
2003 - 2018 Dodge Cummins Auxiliary Fuel Filter Kit Fleece Performance
Regular price $349.00 USDSale price $349.00 USD Regular priceUnit price / per$366.45 USDSale -
Auxiliary Heated Fuel Filter Kit for 03-18 Dodge Ram Cummins Fleece Performance
Regular price $449.00 USDSale price $449.00 USD Regular priceUnit price / per$471.45 USDSale -
Fire Ring Head Gasket for 5.9.L Cummins Fleece Performance
Regular price $339.00 USDSale price $339.00 USD Regular priceUnit price / per$355.95 USDSale -
M22 Thermostat Plug for Cummins Cylinder head
Regular price $15.99 USDSale price $15.99 USD Regular priceUnit price / per$16.79 USDSale -
Heater Core Replacement Hose and Fitting for 2003-2024 RAM Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per$73.49 USDSale -
5.9L Cummins CP3K Fleece Performance
Regular price $1,449.00 USDSale price $1,449.00 USD Regular priceUnit price / per$1,499.00 USDSale -
24V Cummins Stage 2 Pushrods, 0.375 inch dia Fleece Performance
Regular price $400.14 USDSale price $400.14 USD Regular priceUnit price / per$421.20 USDSale -
Fleece Performance Cummins Front Gear Housing Dowels Fleece Performance
Regular price $18.99 USDSale price $18.99 USD Regular priceUnit price / per$19.94 USDSale -
2003-2018 Upper Fan Idler for use with Electric Water Pumps Black Finish Contract Cut Fleece Performance
Regular price $113.99 USDSale price $113.99 USD Regular priceUnit price / per$119.99 USDSale -
2003-2018 Cummins Upper Fan Pulley Idler Black Finish Contract Cut Fleece Performance
Regular price $113.99 USDSale price $113.99 USD Regular priceUnit price / per$119.99 USDSale -
Replacement Thermostat Housing with Auxiliary Port RAM with 5.9L and 6.7L Cummins Fleece Performance
Regular price $129.99 USDSale price $129.99 USD Regular priceUnit price / per$136.49 USDSale -
Fuel System Upgrade Kit with PowerFlo Lift Pump for 03-04 Dodge Cummins Fleece Performance
Regular price $1,099.00 USDSale price $1,099.00 USD Regular priceUnit price / per$1,129.00 USDSale -
Fleece Performance Cummins Cylinder Head Dowels Fleece Performance
Regular price $20.99 USDSale price $20.99 USD Regular priceUnit price / per$22.04 USDSale -
Turbocharger Installation Kit for 2003-2007 5.9L Cummins CW Turbochargers Fleece Performance
Regular price $35.99 USDSale price $35.99 USD Regular priceUnit price / per$37.79 USDSale -
Heater Feed and Return Hose Kit for 2003-2012 Cummins Fleece Performance
Regular price $99.99 USDSale price $99.99 USD Regular priceUnit price / per$104.99 USDSale -
Turbocharger Oil Feed Line for S300 and S400 Turbos in the 2nd Gen Location on Cummins Engines Fleece Performance
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per$73.49 USDSale -
5.9L Dual Pump Bracket and Mounting Hardware Fleece Performance
Regular price $94.99 USDSale price $94.99 USD Regular priceUnit price / per$99.00 USDSale -
2003-2016 Cummins Factory Oil Feed Line Replacement Fleece Performance
5.0 / 5.0
(1) 1 total reviews
Regular price $69.99 USDSale price $69.99 USD Regular priceUnit price / per$73.49 USDSale -
Spoke Design Cummins Dual Pump Pulley Fleece Red Fleece Performance
Regular price $219.00 USDSale price $219.00 USD Regular priceUnit price / per$229.95 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.














