Fleece PowerFlo 1000 CP3 (FPE-CUMM-CP3-12MM-5.9) for 2003-2007 Cummins 5.9L

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The Fleece PowerFlo 1000 CP3 (FPE-CUMM-CP3-12MM-5.9) is a high-performance fuel injection pump for 2003–2007 Dodge Ram trucks with 5.9L Cummins diesel engines. Featuring a 12mm stroker design, it delivers increased fuel volume to support higher horsepower while maintaining drivability and reliability. Designed as a drop-in OEM-fit replacement, it offers easy installation and is ideal for performance upgrades, improved engine efficiency, and advanced tuning needs.

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Description

The Fleece PowerFlo 1000 CP3 (FPE-CUMM-CP3-12MM-5.9) is a high-performance fuel injection pump designed specifically for the 2003–2007 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. Engineered for durability and consistent fuel delivery, this CP3 pump features a 12mm stroker design that increases fuel volume to support higher horsepower applications without compromising drivability or reliability. Ideal for performance enthusiasts and heavy-duty users alike, the PowerFlo 1000 offers a drop-in replacement solution with OEM fitment, ensuring easy installation while delivering enhanced fueling capabilities. This pump is a trusted upgrade for those seeking improved engine efficiency, better throttle response, and the fuel flow required for advanced tuning or larger injectors.

Additional information
Weight 15.0 lbs
Dimensions 10.0 × 10.0 × 8.0 in
Fitment

Fitment

  • 2003 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2004 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2005 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2006 Dodge Ram 2500/3500 5.9L 24V Cummins
  • 2007 Dodge Ram 2500/3500 5.9L 24V Cummins
Features

Features

  • Full fuel delivery to 6,000+ RPM.
  • New OEM unmodified FCA
  • New Bosch CP3 – no core charge or core to return
  • Fleece Performance high flow feed and return fittings

 

Application Notes

  • A 6.7L Cummins based CP3 is provided in this kit along with a high pressure line to adapt to the 5.9L engine – see installation instructions for application details.
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About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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