Fleece Stainless Steel Fuel Supply Tube Nuts (FPE-CUMM-SSFTN) for 2003-2022 Cummins 5.9L / 6.7L

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The Fleece Stainless Steel Fuel Supply Tube Nuts (FPE-CUMM-SSFTN) are precision-machined upgrades for 2003–2022 Cummins 5.9L and 6.7L diesel engines. Made from durable stainless steel, they offer enhanced corrosion resistance and long-term reliability, making them ideal for high-performance or harsh environments. Designed to replace factory nuts, they ensure a secure, leak-free connection between fuel supply tubes and injectors, helping maintain optimal fuel system performance.

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Description

The Fleece Stainless Steel Fuel Supply Tube Nuts (FPE-CUMM-SSFTN) are a high-quality upgrade designed for 2003–2022 Cummins 5.9L and 6.7L diesel engines. Engineered to replace the factory fuel tube nuts, these durable stainless steel fittings offer superior corrosion resistance and long-term reliability, especially in high-performance or harsh operating environments. Precision-machined for a perfect fit, they ensure a secure and leak-free connection between the fuel supply tubes and the injector bodies. Ideal for enthusiasts and professionals alike, these tube nuts are a smart investment for maintaining optimal fuel system performance in your Cummins-powered truck.

Additional information
Weight 2.0 lbs
Dimensions 5.0 × 3.0 × 2.0 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
  • 2007.5 Dodge Ram 2500/3500 6.7L 24V Cummins
  • 2008 Dodge Ram 2500/3500 6.7L 24V Cummins
  • 2009 Dodge Ram 2500/3500 6.7L 24V Cummins
  • 2010 Ram 2500/3500 6.7L 24V Cummins
  • 2011 Ram 2500/3500 6.7L 24V Cummins
  • 2012 Ram 2500/3500 6.7L 24V Cummins
  • 2013 Ram 2500/3500 6.7L 24V Cummins
  • 2014 Ram 2500/3500 6.7L 24V Cummins
  • 2015 Ram 2500/3500 6.7L 24V Cummins
  • 2016 Ram 2500/3500 6.7L 24V Cummins
  • 2017 Ram 2500/3500 6.7L 24V Cummins
  • 2018 Ram 2500/3500 6.7L 24V Cummins
  • 2019 Ram 2500/3500 6.7L 24V Cummins
  • 2020 Ram 2500/3500 6.7L 24V Cummins
  • 2021 Ram 2500/3500 6.7L 24V Cummins
  • 2022 Ram 2500/3500 6.7L 24V Cummins
Features

Features

Application Notes

Replaces Cummins P/N: 5264181, 3946625, 4893739

Replaces Mopar P/N: 5086866AB

Replaces Bosch P/N: F00RJ00437

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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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