Spectra FN518 Fuel Filler Neck

Spectra FN518 Fuel Tank Filler Neck

The Spectra FN518 fuel tank filler neck is a direct replacement for select Ford and Mazda applications that need a reliable path from the fuel door to the tank. It is built to match original equipment performance expectations for 1993-1997 Ford Ranger and related models.

• Fuel tank filler neck for air and fuel delivery service
• OE-style replacement for select Ford Ranger and Mazda B-Series trucks
• Engineered with manufacturing controls to support consistent fit and function
• Cross-references Spectra Premium FN518 for the same application
• Also cross-references Valeo 577902

Detailed Fitment and Use

Compatible With 1993-1997 Ford Ranger, N/A; 1996-1997 Ford F-100 Ranger, N/A; 1994-1997 Mazda B2300, N/A; 1994-1997 Mazda B3000, N/A; and 1994-1997 Mazda B4000, N/A. The Spectra FN518 is used to restore the fuel fill path when the original filler neck is corroded, damaged, or no longer seals properly. For buyers searching for a Ford Ranger fuel tank filler neck or a Mazda B4000 filler neck replacement, this part number FN518 is the direct OE-style option to review.

• Corrosion at the fuel filler neck
• Fuel odor near the tank or filler area
• Visible damage, dents, or rust on the neck assembly
• Fueling issues caused by a restricted or deteriorated fill tube
• Failed inspection due to fuel system leakage at the fill point

Installation Notes and Tips

Verify year, make, model, and fuel system routing before installation. Compare the original neck shape, mounting points, and hose connections to the replacement part number FN518 to confirm proper alignment with the vehicle’s fuel door and tank inlet.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control processes are used to produce fuel filler necks that meet or exceed original equipment performance for the applications they replace.