HomeAir and Fuel Delivery > Fuel StorageSpectra FN791 Fuel Filler Neck
Part #: FN791

Spectra FN791 Fuel Filler Neck

⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mustang
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Overview of Spectra Fuel Tank Filler Neck FN791 for Ford Mustang

The Spectra FN791 fuel tank filler neck is designed specifically for Ford Mustang models, providing a reliable connection between the fuel filler cap and the fuel tank. This component ensures proper fuel flow and prevents leaks, maintaining the integrity of your vehicle's fuel system.

  • Compatible with Ford Mustang vehicles
  • Durable construction for long-lasting performance
  • Direct replacement for original equipment
  • Part number FN791 for precise identification
  • Designed to meet OEM specifications

Detailed Product Description

The Spectra FN791 fuel tank filler neck is engineered to fit Ford Mustang models, offering a secure and leak-free connection for fuel delivery. This part is manufactured to meet or exceed OEM standards, ensuring proper fitment and function. The filler neck facilitates smooth fuel flow from the gas cap to the fuel tank, helping to prevent fuel evaporation and contamination. Its robust design withstands exposure to fuel and environmental elements, contributing to the overall durability of the vehicle's fuel system.

Common Applications and Issues Addressed

  • Replacement for damaged or corroded fuel tank filler necks
  • Eliminates fuel leaks around the filler area
  • Prevents fuel vapor leaks that can trigger check engine lights
  • Restores proper fuel system pressure and flow
  • Helps maintain fuel system integrity for emissions compliance

Installation Notes and Tips

  • Ensure vehicle is parked on a level surface and engine is cool before installation
  • Remove the old filler neck carefully to avoid damage to surrounding components
  • Check all clamps and seals for wear and replace if necessary
  • Verify proper alignment and secure all connections to prevent leaks
  • Consult the vehicle’s service manual for torque specifications and detailed procedures

Quality Assurance and Warranty Information

Manufactured by Spectra, the FN791 fuel tank filler neck undergoes rigorous quality control to meet industry standards. This part is designed to provide reliable performance and durability for Ford Mustang vehicles. While specific warranty details may vary, Spectra products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998FordMustang4.6LV8N/Aw/o California Emissions
1998FordMustang3.8LV6N/Aw/o California Emissions

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

574051F8ZZ9034EAFN171FNF067TNKFN791

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.