JAVOUKA Fuel Filler Neck Hose for Ford Super Duty F350/F450/F550 6.0L Diesel with Cap — OEM Fit & Corrosion-Resistant

JAVOUKA FN782 is a direct-replacement fuel filler neck hose with cap engineered to fit 6.0L diesel Ford Super Duty trucks (F350, F450, F550) from model years 2002–2007.

This fuel filler neck assembly provides the inlet you need to refuel your Ford Super Duty safely and conveniently. It’s designed to match the original equipment fit and routing for the specified models and includes the fuel cap for a complete replacement. The part corresponds to OEM numbers such as FN782, 8C3Z9034LE, 8C3Z9034LF and several other factory references, making it straightforward to confirm compatibility before ordering.

Which Ford models and engines is this part compatible with?

The JAVOUKA FN782 was designed for 6.0L (363 cu. in.) V8 diesel OHV Super Duty trucks. It fits multiple model years and chassis commonly used in heavy-duty applications.

• Compatible with Ford F350 Super Duty (2002–2007)
• Compatible with Ford F450 Super Duty (2005–2007)
• Compatible with Ford F550 Super Duty (2005–2007)
• Specifically intended for 6.0L diesel engines; verify your engine code before purchase

How do I confirm this is the correct replacement part?

Match the old part number on your current filler neck or check the OEM references listed with this product. Confirming the part number and year range prevents ordering the wrong assembly.

• Compare your existing part number to FN782, 8C3Z9034LE, 8C3Z9034LF, F81Z9034SA, and listed cross-references
• Verify your truck’s model year and that it has the 6.0L diesel engine
• Use the vehicle compatibility table provided by the seller if available

What should I expect when installing this fuel filler neck?

The FN782 is designed as a straightforward replacement that follows the factory routing and attachment points. Typical installation requires basic hand tools and no specialized equipment, though access beneath the rear quarter panel or fuel door area may be necessary.

• Direct-replacement design for OEM style fit and alignment
• Includes fuel cap with correct sealing interface
• Basic hand tools are usually sufficient for removal and installation
• Check for any corrosion or damaged mounting hardware during installation

What materials and durability can I expect from this filler neck?

The assembly uses materials chosen for fuel resistance and corrosion protection to withstand exposure to diesel and road conditions. Proper installation and periodic inspection help maintain a secure seal and prevent evaporation or leaks.

• Fuel-resistant hose and cap sealing surfaces
• Corrosion-resistant fittings where applicable
• Built to meet functional OEM routing and venting requirements

Who is this for: The JAVOUKA FN782 fuel filler neck assembly is aimed at owners, mechanics, and fleet managers who operate Ford Super Duty trucks with the 6.0L diesel engine and need a reliable, OEM-referenced replacement. It’s suitable for do-it-yourself repairs or professional installation when restoring proper fuel fill access, sealing, and fuel system integrity on 2002–2007 F350, and 2005–2007 F450/F550 models. Always confirm your existing part number and vehicle specifications before purchasing to ensure a correct fit.