FLEECE FPE-34200-20 20 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS

Fabricators and engine builders need fuel lines they can trust, and the FLEECE FPE-34200-20 20 INCH HIGH PRESSURE FUEL LINE delivers. This universal 20 inch line features 8mm x 3.5mm tubing with M14 x 1.5 nuts, giving you OEM-quality construction in a straight, unbent form so you can route your high-pressure system exactly the way you want it. Pair it with Fleece fittings, feed lines, and injection lines for a clean, leak-free fuel system that looks as good as it performs. Fleece FPE-34200-20, Fleece 20 inch high pressure fuel line, 8mm x 3.5mm line, M14 x 1.5 fuel line nuts, universal diesel fuel line, high pressure common rail fuel line, Cummins fuel system fabrication parts, CPP Diesel Fleece fuel line

Features

• 20 inch straight high-pressure fuel line – blank slate for custom routing
• 8mm x 3.5mm tube wall with M14 x 1.5 nuts on each end
• OEM-style construction engineered for high pressure diesel or gasoline systems
• Perfect for custom single-turbo, compound, or race fuel system layouts
• Compatible with other Fleece Performance fuel system components

Fitment / Intended Use

Type: Universal high pressure fuel line (straight)
Length: 20 inches
Tube Size: 8mm x 3.5mm line
Fittings: M14 x 1.5 nuts (each end)
Applications: Custom high-pressure fuel systems for diesel or gasoline engines where 8mm x 3.5mm line and M14 x 1.5 fittings are required.

This line is ideal when building or re-routing:

• Custom common-rail high-pressure fuel systems
• Twin/compound turbo fuel plumbing where OEM lines no longer fit
• Clean-sheet fuel system layouts on swaps or drag/pull builds

Cross-Reference / Related Fleece Products on CPP Diesel

• FLEECE FPE-34200-10 10 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS
• FLEECE FPE-34200-18 18 INCH HIGH PRESSURE FUEL LINE 8MM X 3.5MM LINE M14 X 1.5 NUTS
• FLEECE FPE-HFFL-1018 2010-2018 CUMMINS 0.5 INCH HIGH FLOW FEED LINE KIT (OEM FILTER TO CP3)
• FLEECE FPE-CUMM-SSFTN STAINLESS STEEL FUEL SUPPLY TUBE NUTS FOR 5.9/6.7L CUMMINS

No. The FPE-34200-20 is a universal straight high pressure fuel line. It is sized at 8mm x 3.5mm with M14 x 1.5 nuts and can be used anywhere those specs match your system. It is commonly used in custom Cummins, Duramax, and other diesel or gasoline builds.

For the cleanest results, Fleece recommends using a quality hand tubing bender to shape the line to your routing. Always use proper line wrenches and follow torque specs from your injection system or engine manufacturer.

Yes, as long as the length and fitting specs are appropriate for your application. Many builders use these straight lines instead of trying to rebend factory lines that have been stressed or kinked.

Yes, the FPE-34200 series lines pair well with Fleece feed line kits, injection line sets, and stainless supply tube nuts, allowing you to build a complete Fleece-based fuel system from tank to injector.

Yes. Like many automotive components, this product is labeled with a California Proposition 65 warning for cancer and reproductive harm. See the Specifications table below for the official link.

Specifications for FLEECE FPE-34200-20