Spectra FN1121 Fuel Tank Filler Neck

Fuel Tank Filler Neck for Ford and Mercury

The Spectra FN1121 fuel tank filler neck is an OE-style replacement for select Ford Explorer and Mercury Mountaineer applications with a capless fuel system. It is built to match original equipment performance expectations for secure fuel transfer and proper tank refueling.

Key Features

• Direct replacement fuel tank filler neck for select 2008-2010 Ford Explorer and Mercury Mountaineer models
• Fits vehicles equipped with a capless fuel system
• Engineered and manufactured to meet or exceed original equipment performance
• Cross-references Spectra FN1121 for the same application
• Also referenced by part number TNKFN1121

Detailed Description

Spectra Premium fuel filler necks are produced with engineering, manufacturing, and quality control processes aimed at OE-level fit and function. The FN1121 is intended for 2008-2010 Ford Explorer and 2008-2010 Mercury Mountaineer models with a capless fuel system, making it a focused replacement for vehicles that need a properly matched filler neck assembly. If you are servicing a Ford Explorer or Mercury Mountaineer and need a replacement fuel tank filler neck, FN1121 provides a direct-fit solution for the listed applications.

Common Issues It Can Help Address

• Fuel filling problems caused by a damaged or corroded filler neck
• Fuel odor from a compromised refueling tube area
• Refueling difficulty related to a worn capless fuel system connection
• Leaks or seepage at the tank fill path
• Fitment issues after collision damage or rust-related failure

Installation Notes and Tips

Verify the vehicle is a 2008-2010 Ford Explorer or 2008-2010 Mercury Mountaineer with a capless fuel system before ordering. Compare the original filler neck routing, mounting points, and connection style to the replacement part number FN1121. Clean surrounding areas during service and inspect adjacent fuel system components for wear or corrosion before reassembly.

Quality Assurance

Spectra Premium states that its fuel filler necks are engineered and quality-controlled to meet or exceed the performance of the original equipment they replace. This part number is FN1121.