Fleece Injector Return Line Repair Fitting (FPE-FMC-FF-RLK-1116) for 2011-2016 Powerstroke 6.7L

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The Fleece Injector Return Line Repair Fitting (FPE-FMC-FF-RLK-1116) is a durable, high-quality replacement part for 2011–2016 Ford Powerstroke 6.7L diesel engines. Designed by Fleece Performance Engineering, it offers a reliable, leak-free solution for fixing damaged injector return lines, helping maintain fuel system pressure and engine performance. Easy to install and cost-effective, it’s ideal for technicians and Powerstroke owners looking to restore engine reliability without replacing the entire return line assembly.

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SKU: FPE-FMC-FF-RLK-1116 Categories: , , ,
Description

The Fleece Injector Return Line Repair Fitting (FPE-FMC-FF-RLK-1116) is a high-quality replacement component designed specifically for 2011–2016 Ford Powerstroke 6.7L diesel engines. This fitting provides a reliable solution for repairing damaged or leaking injector return lines, which are critical for maintaining proper fuel system pressure and engine performance. Manufactured by Fleece Performance Engineering, the repair fitting features durable materials and precise engineering to ensure a secure, leak-free connection. It is an ideal option for diesel technicians and Powerstroke owners seeking a cost-effective alternative to replacing the entire fuel return line assembly. Easy to install and built to last, the FPE-FMC-FF-RLK-1116 fitting helps restore optimal fuel system function and engine reliability.

Additional information
Weight 1.0 lbs
Dimensions 6.0 × 5.0 × 2.0 in
Fitment

Fitment

  • 2011 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2012 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2013 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2014 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2015 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2016 Ford Super Duty 250/350/450 6.7L Powerstroke
Features

Features

  • Heavy duty machined billet aluminum housing.
  • Dual O-ring internal design for increased sealing.
  • Serviceable barb fitting.
  • Easy to install and remove.

 

Application Notes

  • This kit is designed to work with both OEM and aftermarket under hood fuel filter assemblies including Fleece Performance P/N: FPE-FMC-UHFA-1123.
  • A service kit is available for this product, Fleece Performance P/N: FPE-FMC-FF-RLK-1116-SER. The kit includes replacement O-rings and a locking tab.
  • A replacement barb fitting is available for this product, Fleece Performance P/N: FPE-AN4-332B.
  • This product is compatible with trucks equipped with an S&S Diesel Motorsport DCR conversion kit or the S&S Diesel Motorsport CP4 Disaster Prevention Kit. 

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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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