Fuel Hose
Aeroquip FCA0420 AQP Racing Hose - High-Performance Stainless Steel Braided Hose
What Is a Fuel Hose and Why Does It Matter?
The fuel hose is one of the most critical components in a vehicle's fuel delivery system. Acting as the flexible conduit between the fuel tank, fuel pump, fuel filter, and engine, the fuel hose must reliably carry gasoline, diesel, ethanol-blended fuels, or other combustibles under pressure — without cracking, swelling, or leaking. A compromised fuel hose is not just a performance issue; it's a safety hazard. Fuel leaks are a leading cause of engine fires, making the condition and quality of your fuel hose a non-negotiable concern for any vehicle owner or builder.
Types of Fuel Hose
Fuel hoses come in a range of constructions to suit different applications:
- OEM-replacement rubber hoses – Designed for direct fit to factory specifications, these hoses restore stock fuel system function using materials that meet or exceed original equipment standards.
- Braided stainless steel hoses – Popular in performance and racing builds, these hoses pair a PTFE or rubber inner liner with a woven stainless outer braid for high burst strength and excellent heat resistance.
- EFI fuel injection hose – Engineered for the elevated pressures of modern fuel-injected engines, these hoses resist fuel permeation and maintain their integrity in tight, high-heat engine bay environments.
- Marine fuel hose – Built to meet U.S. Coast Guard standards for fuel feed and vent applications on boats and watercraft, with materials resistant to salt, moisture, and marine-grade fuels.
What to Look for When Buying Fuel Hose
Choosing the right fuel hose starts with matching the hose to your fuel type — modern ethanol-blended fuels (E10, E15, E85) require hoses specifically rated for alcohol compatibility. Inner diameter, working pressure rating, and temperature range are also essential specs to verify. For performance builds, AN sizing (e.g., -6AN, -8AN) is the standard, while OEM replacements are typically identified by inside diameter measurements in inches or millimeters. Always confirm compliance with applicable SAE or U.S. Coast Guard standards for the application.
Top Fuel Hose Brands
When it comes to fuel hose, the brands stocking our shelves represent decades of engineering expertise across OEM replacement, performance racing, and industrial applications.
Earl's Performance is a legend in performance plumbing. Founded in 1955, Earl's introduced aviation-grade fluid transfer technology to the automotive world and went on to develop innovations like flexible stainless-steel PTFE-lined hoses and the patented Swivel-Seal adjustable hose end. Their fuel hoses are trusted by professional racing teams in funny car and open-wheel competition.
ContiTech, the industrial and automotive hose division of Continental, brings OEM-level engineering to the replacement parts market. ContiTech fuel hoses are designed as direct OE replacements with layered materials to protect against leakage and hardening, and their lineup spans automotive, truck, and marine fuel hose applications.
CRP is the North American distribution powerhouse behind ContiTech and other premium automotive lines. CRP Automotive offers replacement fuel hoses that meet or exceed OEM standards, making them a go-to source for European vehicle applications including Audi, BMW, Mercedes-Benz, and Volkswagen.
Grohe rounds out the selection with specialized fuel hose solutions for specific vehicle applications, offering additional options for those seeking dependable fluid transfer components.