2003-2004 Ram 2500/3500 5.9L Cummins Fuel System & Fuel Upgrades

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Fleece FPE-QUCON-OE-38 3/8 inch Quick Connect to -8AN Male Adapter for OEM Sending Unit | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-QUCON-OE-38 3/8 inch Quick Connect to -8AN Male Adapter for OEM Sending Unit | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Fleece Performance Products

Fleece FPE-QUCON-OE-38 3/8 inch Quick Connect to -8AN Male Adapter for OEM Sending Unit | 2003-2018 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: FLCFPE-QUCON-OE-38
Price
$17.99
Exergy E05-20015 Rail Pressure Sensor | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Exergy E05-20015 Rail Pressure Sensor | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Exergy Performance

Exergy E05-20015 Rail Pressure Sensor | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: EXYE0520015
Price
$220
ATS 701-017-1000 Billet Pulley Nut For Twin Fueler Pump | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
ATS 701-017-1000 Billet Pulley Nut For Twin Fueler Pump | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

ATS Diesel Performance

ATS 701-017-1000 Billet Pulley Nut For Twin Fueler Pump | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: ATS701-017-1000
Price
$39.99
S&S Diesel CP3-RR-12-HS-SP Reverse Rotation 12mm High Speed CP3 with SP3000 | Universal
S&S Diesel CP3-RR-12-HS-SP Reverse Rotation 12mm High Speed CP3 with SP3000 | Universal

S&S Diesel

S&S Diesel CP3-RR-12-HS-SP Reverse Rotation 12mm High Speed CP3 with SP3000 | Universal

SKU: SASCP3-RR-12-HS-SP
Sale price
$3,650
Regular price
$3,750
S&S Diesel CP3-CU-SS SuperSport CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-SS SuperSport CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-SS SuperSport CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-SS
Price
$1,130
S&S Diesel CP3-CU-14-HS-SP 14MM High Speed CP3 with SP3000 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-14-HS-SP 14MM High Speed CP3 with SP3000 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-14-HS-SP 14MM High Speed CP3 with SP3000 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-14-HS-SP
Price
$3,900
S&S Diesel CP3-CU-14 14MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-14 14MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-14 14MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-14
Price
$2,800
S&S Diesel CP3-CU-12 12MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-12 12MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-12 12MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-12
Price
$2,500
S&S Diesel CP3-CU-12-HS-SP 12MM High Speed CP3 with SP3000 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-12-HS-SP 12MM High Speed CP3 with SP3000 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-12-HS-SP 12MM High Speed CP3 with SP3000 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-12-HS-SP
Price
$3,600
S&S Diesel CP3-CU-10-HS 10MM High Speed CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-10-HS 10MM High Speed CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-10-HS 10MM High Speed CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-10-HS
Price
$2,200
S&S Diesel CP3-CU-10 10MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins
S&S Diesel CP3-CU-10 10MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

S&S Diesel

S&S Diesel CP3-CU-10 10MM CP3 | 2003-2024 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: SASCP3-CU-10
Price
$2,000
Premier Performance 1.116.1 Single Port Fuel Tank Sump Kit | Universal
Premier Performance 1.116.1 Single Port Fuel Tank Sump Kit | Universal

Premier Performance

Premier Performance 1.116.1 Single Port Fuel Tank Sump Kit | Universal

SKU: PRE1.116.1
Price
$179
Fleece FPE-CP3X2 CP3X2 Harness | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-CP3X2 CP3X2 Harness | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Fleece Performance Products

Fleece FPE-CP3X2 CP3X2 Harness | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: FLCFPE-CP3X2
Price
$72.13
Fleece FPE-34211-ORG-SPK Spoke Design Dual Pump Pulley - Orange | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-34211-ORG-SPK Spoke Design Dual Pump Pulley - Orange | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Fleece Performance Products

Fleece FPE-34211-ORG-SPK Spoke Design Dual Pump Pulley - Orange | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: FLCFPE-34211-ORG-SPK
Price
$219
Fleece FPE-34211-RED-SPK Spoke Design Dual Pump Pulley - Red | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-34211-RED-SPK Spoke Design Dual Pump Pulley - Red | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Fleece Performance Products

Fleece FPE-34211-RED-SPK Spoke Design Dual Pump Pulley - Red | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: FLCFPE-34211-RED-SPK
Price
$219
Fleece FPE-34211-BLU-SPK Spoke Design Dual Pump Pulley - Blue | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins
Fleece FPE-34211-BLU-SPK Spoke Design Dual Pump Pulley - Blue | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

Fleece Performance Products

Fleece FPE-34211-BLU-SPK Spoke Design Dual Pump Pulley - Blue | 2003-2016 Dodge RAM 5.9L/6.7L 2500/3500 Cummins

SKU: FLCFPE-34211-BLU-SPK
Price
$219
FASS CFDB1001K Fuel Distribution Block | 2003-2022 Dodge RAM 2500/3500 6.7L/5.9L Cummins
FASS CFDB1001K Fuel Distribution Block | 2003-2022 Dodge RAM 2500/3500 6.7L/5.9L Cummins

Fass Fuel systems

FASS CFDB1001K Fuel Distribution Block | 2003-2022 Dodge RAM 2500/3500 6.7L/5.9L Cummins

SKU: FASCFDB1001K
Price
$349
BD Diesel 1050340-WSP Flow-Max Add-On Pre Water Separator Kit | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax & 98-12 Dodge RAM 5.9L/6.7L Cummins
BD Diesel 1050340-WSP Flow-Max Add-On Pre Water Separator Kit | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax & 98-12 Dodge RAM 5.9L/6.7L Cummins

BD Diesel

BD Diesel 1050340-WSP Flow-Max Add-On Pre Water Separator Kit | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax & 98-12 Dodge RAM 5.9L/6.7L Cummins

SKU: BDD1050340-WSP
Price
$95.95
Industrial 23F401 Triple CP3 Kit Kit | 2003-2025 Dodge RAM 2500/3500 5.9L/6.7L Cummins
Industrial 23F401 Triple CP3 Kit Kit | 2003-2025 Dodge RAM 2500/3500 5.9L/6.7L Cummins

Industrial Injection

Industrial 23F401 Triple CP3 Kit Kit | 2003-2025 Dodge RAM 2500/3500 5.9L/6.7L Cummins

SKU: IIS23F401
Price
$2,254.28
BD Diesel 1081133 Low Fuel Pressure Amber LED Alarm Kit | 1998-2007 Dodge RAM 2500/3500 5.9L Cummins
BD Diesel 1081133 Low Fuel Pressure Amber LED Alarm Kit | 1998-2007 Dodge RAM 2500/3500 5.9L Cummins

BD Diesel

BD Diesel 1081133 Low Fuel Pressure Amber LED Alarm Kit | 1998-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: BDD1081133
Price
$96.95
BD Diesel 1050348 12V 320W Flow-MaX Fuel Heater Kit for FASS Fuel Systems | Universal
BD Diesel 1050348 12V 320W Flow-MaX Fuel Heater Kit for FASS Fuel Systems | Universal

BD Diesel

BD Diesel 1050348 12V 320W Flow-MaX Fuel Heater Kit for FASS Fuel Systems | Universal

SKU: BDD1050348
Sale price
$224.95
Regular price
$229.95
BD Diesel 1050226 Fuel Lift Pump Kit | 1998.5-2004.5 Dodge RAM 2500/3500 5.9L 24V Cummins
BD Diesel 1050226 Fuel Lift Pump Kit | 1998.5-2004.5 Dodge RAM 2500/3500 5.9L 24V Cummins

BD Diesel

BD Diesel 1050226 Fuel Lift Pump Kit | 1998.5-2004.5 Dodge RAM 2500/3500 5.9L 24V Cummins

SKU: BDD1050226
Price
$459.95
Industrial DCP3DKit Dual CP3 Kit w/o Pump | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Industrial DCP3DKit Dual CP3 Kit w/o Pump | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial DCP3DKit Dual CP3 Kit w/o Pump | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: IISDCP3DKIT
Sale price
$1,394.81
Regular price
$1,410.74
Industrial 237403 Dual Feed Line | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins
Industrial 237403 Dual Feed Line | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

Industrial Injection

Industrial 237403 Dual Feed Line | 2003-2007 Dodge RAM 2500/3500 5.9L Cummins

SKU: IIS237403
Sale price
$249.24
Regular price
$342.33

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DIESEL TRUCK EXPERTS STANDING BY

The 2003-2004 Ram 5.9L Cummins is a powerful engine that is capable of putting out immense power. With our selection of Fuel System and Fuel Upgrades you can improve your fuel efficiency and fuel economy with the featured fuel upgrades found here at Alligator Performance. From modified CP3s, enhanced fuel injection lines, lift pumps, and over injectors, there are a treasure trove of items here that will have that 5.9L running in its prime form. Harness even more performance out of that impressive 5.9L by grabbing and installing a new set of over injectors or make your engine run better with a 150GPH lift pump! Check out our selection of Engine Upgrades to pair with your new Fuel Upgrades. Ram Cummins Fitments: 2003, 2004 Ram 5.9L Cummins. Submodel Fitments: Tradesman, Laramie, Laramie Longhorn, Big Horn, Limited, Lone Star, Power Wagon. Some exceptions apply, please see individual product pages for specific fitments.

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