Fuel System

2003 - 2004 5.9L Dodge Cummins Performance Fuel Systems

The Fuel System on your 2003-2004 Dodge Cummins isn't exactly as complex as the human circulatory system, but it is just as important.Upgrading your fuel system is often the missing link in Diesel Performance.You may have the best turbo setup known to man, but without enough good fuel supplied correctly or efficiently can result in massive losses in power. We carry a wide variety of 03 - 04 Fuel System upgrades from Brands like FASS, FueLab, PPE, BD, H&S Motorsports, Industrial Injection, Fleece Performance and many more. Whether you want a Lift Pump, Cp3 Pump, Set of Nozzles, Fuel Heater element or just a fuel filter, we have you covered.We make buying everything you need as easy at it possibly can be. Dieselops.com has you covered, with our product reviews, Team Ops Cash, a great free shipping program, and fantastic customer reviews. Think DieselOps.com for all your Cummins Performance Fuel System needs.

  • FASS Dodge Cummins Replacement Pump
  • FASS Dodge Cummins Replacement Pump

  • SKU: Make Selection2
  • Diesel Ops Price: $249.85

  • RRP: $263.00
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  • FASS Fuel Pressure Regulator
  • FASS Fuel Pressure Regulator

  • SKU: FS-FPR-1001
  • Diesel Ops Price: $141.55

  • RRP: $149.00
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  • FASS 5/8 Suction Tube Kit
  • FASS 5/8 Suction Tube Kit

  • SKU: FS-STK-1002
  • Diesel Ops Price: $84.55

  • RRP: $89.00
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  • FASS 5/8 Suction Tube Kit (Complete Kit - In Fuel Module)
  • FASS 5/8 Suction Tube Kit (Complete Kit - In Fuel Module)

  • SKU: FS-STK-1003
  • Diesel Ops Price: $94.05

  • RRP: $99.00
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  • FASS 5/8 Suction Tube Kit (In Fuel Module W/O Bulk Head Fitting)
  • FASS 5/8 Suction Tube Kit (In Fuel Module W/O Bulk Head Fitting)

  • SKU: FS-STK-1003B
  • Diesel Ops Price: $37.05

  • RRP: $39.00
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  • FASS Sump Kit (Suction from Top or Bottom of Fuel Tank)
  • FASS Sump Kit (Suction from Top or Bottom of Fuel Tank)

  • SKU: FS-STK-5500
  • Diesel Ops Price: $236.55

  • RRP: $249.00
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  • FASS Sump Kit (Same as STK-5500 minus Bulkhead Fitting)
  • FASS Sump Kit (Same as STK-5500 minus Bulkhead Fitting)

  • SKU: FS-STK-5500B
  • Diesel Ops Price: $189.05

  • RRP: $199.00
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  • FASS Sump Kit (Bowl Only - Suction from Bottom of Tank)
  • FASS Sump Kit (Bowl Only - Suction from Bottom of Tank)

  • SKU: FS-STK-5500BO
  • Diesel Ops Price: $151.05

  • RRP: $159.00
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  • FASS Electric Heater Kit - HD, Titanium & Platinum Series
  • FASS Electric Heater Kit - HD, Titanium & Platinum Series

  • SKU: FS-HK-1001
  • Diesel Ops Price: $141.55

  • RRP: $149.00
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  • FASS Electric Heater Element
  • FASS Electric Heater Element

  • SKU: FS-32283
  • Diesel Ops Price: $80.75

  • RRP: $85.00
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  • PPE Diesel Lift Pump
  • PPE Diesel Lift Pump

  • SKU: PPE1130500
  • Diesel Ops Price: $260.99

  • RRP: $289.99
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  • Out of stock
  • PPE Dual Relay Set
  • PPE Dual Relay Set

  • SKU: PPE1130502
  • Diesel Ops Price: $24.99

  • Out of stock
  • FASS Titanium and Platinum Fuel & Water 3 Micron Replacement Filter
  • FASS Titanium and Platinum Fuel & Water 3 Micron Replacement Filter

  • SKU: FWS-3003
  • Diesel Ops Price: $33.25

  • RRP: $35.00
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  • aFe Pro-GUARD D2 Fuel Fluid Filter Dodge Cummins L6-5.9L 2000-2007
  • aFe Pro-GUARD D2 Fuel Fluid Filter Dodge Cummins L6-5.9L 2000-2007

  • SKU: AFE44FF003
  • Diesel Ops Price: $19.99

  • RRP: $23.99
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  • aFe Pro-GUARD D2 Fuel Fluid Filter Dodge Cummins L6-5.9L 2000-2007
  • aFe Pro-GUARD D2 Fuel Fluid Filter Dodge Cummins L6-5.9L 2000-2007

  • SKU: AFE44FF010
  • Diesel Ops Price: $19.99

  • RRP: $23.99
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  • Fleece Performance Modified CP3 10mm Stroker Pump Dodge Cummins 5.9L 2003-2007
  • Fleece Performance Modified CP3 10mm Stroker Pump Dodge Cummins 5.9L 2003-2007

  • SKU: FPE-CUMM-CP3-10MM-5.9
  • Diesel Ops Price: $1800.25

  • RRP: $1895.00
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  • Fleece Performance Fuel Filter Delete Dodge Cummins 2003-2009 3rd Gen
  • Fleece Performance Fuel Filter Delete Dodge Cummins 2003-2009 3rd Gen

  • SKU: FPE-FFD-RO-3G
  • Diesel Ops Price: $60.79

  • RRP: $63.99
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