Fleece Return Fuel Pressure Test Port (FPE-FPTP-GM-1116) for 2011-2016 Duramax LML

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The Fleece Return Fuel Pressure Test Port (FPE-FPTP-GM-1116) is a diagnostic tool for 2011–2016 GM Duramax LML diesel engines that enables accurate monitoring of return fuel pressure. Made by Fleece Performance Engineering, it helps diagnose fuel system issues like injector leaks or line restrictions. Built with high-quality materials for a secure, leak-free fit, it integrates easily into the factory system and is suitable for both professionals and advanced DIY users.

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SKU: FPE-FPTP-GM-1116 Categories: , , ,
Description

The Fleece Return Fuel Pressure Test Port (FPE-FPTP-GM-1116) is a precision-engineered diagnostic tool designed specifically for 2011-2016 GM Duramax LML diesel engines. This test port allows for accurate monitoring of the return fuel pressure, a critical parameter in diagnosing fuel system issues such as injector leakage or restrictions in the return line. Manufactured by Fleece Performance Engineering, the component features high-quality materials and a design that integrates seamlessly into the factory fuel system, ensuring a secure and leak-free connection. Ideal for both professional technicians and advanced DIY enthusiasts, the FPE Return Fuel Pressure Test Port provides a reliable and convenient solution for maintaining optimal performance and efficiency in Duramax LML engines.

Additional information
Weight 1 lbs
Dimensions 2 × 2 × 1 in
Fitment

Fitment

  • 2011 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2012 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2013 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2014 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2015 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
  • 2016 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
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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