Collection: 2003-2004 5.9L 24V Cummins Fuel System Upgrades
2003-2004 5.9L 24V Cummins Fuel System Upgrades
Maximize Fuel Efficiency and Performance with Fuel System Upgrades for Your 2003-2004 5.9L Cummins
Unlock the full potential of your 2003-2004 5.9L 24V Cummins with high-performance fuel system upgrades. Whether you need new...
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Billet CCV/Fuel Pump Block Off Plate
Regular price $65.00 USDSale price $65.00 USD Regular priceUnit price / per -
Mopar 03-07 Dodge 5.9L Cummins Injector Fuel Return Line
5.0 / 5.0
(1) 1 total reviews
Regular price $255.15 USDSale price $255.15 USD Regular priceUnit price / per -
Exergy Performance 2003-2007 5.9L Cummins Pressure Relief Valve – M14x1.5 Outlet
5.0 / 5.0
(2) 2 total reviews
Regular price From $240.00 USDSale price From $240.00 USD Regular priceUnit price / per -
Tameless Performance Billet Fuel Tank Sump Kit – Universal Diesel
Regular price $135.00 USDSale price $135.00 USD Regular priceUnit price / per -
S&S Diesel CP3 Fuel Injection Pumps for Dodge/Cummins (2003-2024)
Regular price From $950.00 USDSale price From $950.00 USD Regular priceUnit price / per -
Fleece Performance FPE-34783 Auxiliary Fuel Filter and Line Kit for 2003-2018 Dodge Cummins
Regular price $349.00 USDSale price $349.00 USD Regular priceUnit price / per -
Fleece Performance FPE-FFD-RO-3G Fuel Filter Delete for 2003-2007 3rd Gen Dodge Cummins
Regular price $79.25 USDSale price $79.25 USD Regular priceUnit price / per -
FASS Fuel Systems Diesel Fuel Sump Kit (SK5501)
Regular price $169.00 USDSale price $169.00 USD Regular priceUnit price / per$177.89 USDSale -
Mopar Mopar 03-07 5.9L Cummins Rail Return Line
Regular price $243.44 USDSale price $243.44 USD Regular priceUnit price / per -
Mopar Mopar 03-07 5.9L Cummins CP3 Fuel Return Line
Regular price $150.64 USDSale price $150.64 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 165GPH Dodge Cummins 5.9L 1998.5-2004
Regular price $719.00 USDSale price $719.00 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Quick Connect to -8AN Male Adapter for OEM Dodge Ram Cummins Sending Unit FPE-QUCON-OE-38
Regular price $17.99 USDSale price $17.99 USD Regular priceUnit price / per -
D&J Precision Machine Dual CP3 Housing Kit
Regular price $3,412.49 USDSale price $3,412.49 USD Regular priceUnit price / per -
PPE 2001-2005 GM / 2003-2017 Dodge Fuel Rail Pressure Gauge 513010000
Regular price $125.99 USDSale price $125.99 USD Regular priceUnit price / per$135.99 USDSale -
Fleece Performance MAP Sensor and Airbox Control Valve Pigtail FPE-HAR-MU-PT-7
Regular price $28.99 USDSale price $28.99 USD Regular priceUnit price / per -
PPE 2003-2010 RAM 5.9L/6.7L Replacement Dual Fueler HD Serpentine Belt
Regular price $49.49 USDSale price $49.49 USD Regular priceUnit price / per$54.99 USDSale -
BD-Built Performance Injector 5.9L Cummins CR 60hp-120hp Dodge 2003-2004
Regular price From $472.95 USDSale price From $472.95 USD Regular priceUnit price / per -
BD-Built 5.9L Cummins Injector Stock/StockPlus (0986435503) Dodge 2003-2004
Regular price From $314.95 USDSale price From $314.95 USD Regular priceUnit price / per -
Fuel Distribution Block - Dodge 5.9L/6.7L Cummins 2003-2009
Regular price $119.95 USDSale price $119.95 USD Regular priceUnit price / per -
VENOM WATER IN FUEL (WIF) SENSOR KIT DODGE 5.9L CUMMINS 2000-2007
Regular price $179.95 USDSale price $179.95 USD Regular priceUnit price / per -
Venom Lift Pump Replacement Filter Dual-Pack - Fuel & Water Separator
Regular price $57.95 USDSale price $57.95 USD Regular priceUnit price / per -
Flow-MaX Add-On Pre Water Separator Filter Kit
Regular price $93.95 USDSale price $93.95 USD Regular priceUnit price / per -
Flow-MaX Add-On Post Fine Particle Fuel Filter Kit
Regular price $86.95 USDSale price $86.95 USD Regular priceUnit price / per -
VENOM FUEL LIFT PUMP C/W FILTER & SEPARATOR DODGE 5.9L CUMMINS 2003-2004.5
Regular price $796.95 USDSale price $796.95 USD Regular priceUnit price / per -
Flow-MaX Monster 1/2in Line Kit
Regular price $171.95 USDSale price $171.95 USD Regular priceUnit price / per -
Flow-MaX Tank Sump Kit
Regular price $185.95 USDSale price $185.95 USD Regular priceUnit price / per -
Lift Pump OEM Replacement Dodge 5.9L Cummins 2003-2004.5
Regular price $449.95 USDSale price $449.95 USD Regular priceUnit price / per -
Lift Pump Kit OEM Bypass Dodge Cummins 2003-2004
Regular price $449.95 USDSale price $449.95 USD Regular priceUnit price / per
2003-2004 5.9L 24V Cummins Fuel System Upgrades
Maximize Fuel Efficiency and Performance with Fuel System Upgrades for Your 2003-2004 5.9L Cummins
Unlock the full potential of your 2003-2004 5.9L 24V Cummins with high-performance fuel system upgrades. Whether you need new injectors, fuel pumps, or complete fuel systems, we offer premium products from trusted brands like Exergy Performance, Fleece Performance, and PPE to improve fuel flow, engine efficiency, and performance.
High-Performance Fuel System Components for 5.9L Cummins
Our fuel system upgrades are engineered to optimize your truck’s fuel delivery, improve combustion efficiency, and enhance power output. From injectors and fuel lines to complete systems, these components provide the performance and reliability you need for any application.
Why Choose Our Fuel System Upgrades?
Upgrading your fuel system ensures improved engine power, better fuel efficiency, and enhanced overall performance. These components are designed to withstand heavy-duty applications, ensuring your truck runs smoothly under all conditions.
Key Features:
- Increased Power: Enhances engine performance with optimized fuel delivery.
- Efficiency: Improves fuel consumption and overall engine efficiency.
- Durability: Built to handle heavy-duty use and high-performance applications.





















