FLEECE FPE-34200-13 13 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS

Fabricators and engine builders: stop fighting crusty factory lines and start with a clean slate. The FLEECE FPE-34200-13 13 INCH HIGH PRESSURE FUEL LINE gives you a universal straight 13" stick of OEM-quality 8mm x 3.5mm steel tubing with M14 x 1.5 nuts on each end, ready to bend into your custom high-pressure common-rail or performance fuel system. This line is built to handle serious pressure while keeping your routing clean, reliable, and leak-free. Fleece FPE-34200-13 high pressure fuel line, 13 inch universal diesel fuel line, 8mm x 3.5mm M14 x 1.5 nuts, common rail fuel injection hard line, custom CP3 to rail line, Fleece Performance Engineering fuel line, CPP Diesel

Key Features

• 13 inch straight high-pressure fuel line for custom routing
• 8mm x 3.5mm steel tube with M14 x 1.5 nuts on both ends
• OEM-style construction for reliable sealing and durability
• Ideal for custom common-rail and high-pressure diesel fuel systems
• Perfect for CP3, rail, and injector plumbing where 8mm/M14x1.5 is required

Fitment / Usage

Application: Universal high-pressure fuel line for diesel and performance fuel systems where 8mm x 3.5mm tubing and M14 x 1.5 fittings are required.
Typical uses: Custom CP3-to-rail, rail-to-injector, or auxiliary high-pressure circuits in common-rail Cummins, Duramax, Power Stroke, and custom diesel builds.
Configuration: Straight 13" stick ready to be bent with a quality tubing bender for precise routing.

Cross-Reference / Related Fleece Products (CPP Diesel)

Build out your entire custom fuel system using matching Fleece high pressure lines:

• FLEECE FPE-34200-7 7 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS
• FLEECE FPE-34200-10 10 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS
• FLEECE FPE-34200-12 12 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS
• FLEECE FPE-34200-14 14 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS

No. This is a universal high-pressure fuel line using 8mm x 3.5mm tubing and M14 x 1.5 nuts. It is designed for any application that uses these dimensions, including many custom common-rail diesel setups.

Yes. This line is intended to be bent with a quality hand tubing bender to achieve clean, professional routing. Using the correct tool helps prevent kinks and maintains internal cross-section for proper fuel flow.

It is built as an OEM-style high-pressure hard line for common-rail diesel systems and similar applications that operate at very high fuel pressures, making it suitable for performance and custom builds.

Yes. Each FPE-34200-13 includes M14 x 1.5 nuts on both ends, ready to install into compatible fittings or components.

Yes. Like many automotive components, this product includes a California Proposition 65 warning for cancer and reproductive harm. See the Specifications table below for details.

Specifications for FLEECE FPE-34200-13