HomeAir and Fuel Delivery > Fuel StorageSpectra FN703 Fuel Filler Neck
Part #: FN703

Spectra FN703 Fuel Filler Neck

⚙️ 17 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 FN703 for Ford Mustang

The Spectra FN703 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 FN703 for precise identification
  • Designed to maintain proper fuel system sealing

Detailed Product Description

The Spectra FN703 fuel tank filler neck is engineered to meet the exact specifications required for Ford Mustang models. This part serves as the conduit for fuel to travel from the filler cap to the fuel tank, ensuring a secure and leak-free connection. Manufactured with quality materials, the filler neck resists corrosion and wear, which helps maintain fuel system efficiency and safety. Using the correct part number FN703 guarantees compatibility and proper fitment, reducing installation time and potential issues.

Common Applications and Problem Resolution

  • Replacement for damaged or corroded fuel tank filler necks
  • Eliminates fuel leaks around the filler area
  • Prevents fuel vapor escape and maintains emission standards
  • Restores proper fuel flow during refueling
  • Addresses issues with loose or ill-fitting filler neck connections

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
  • Verify part number FN703 matches the original part for correct fitment
  • Use appropriate tools to secure clamps and connections firmly
  • Check for leaks after installation by inspecting the filler neck area during refueling

Quality Assurance and Warranty Information

Spectra manufactures the FN703 fuel tank filler neck to meet industry standards for durability and performance. While specific warranty details may vary, Spectra parts typically come with a limited warranty against defects in materials and workmanship. Using this part ensures adherence to OEM specifications for Ford Mustang fuel system components.

This part fits 17 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2004FordMustangMach 14.6LV8N/A
2004FordMustangGT4.6LV8N/A
2004FordMustangBase3.9LV6N/A
2004FordMustangBase3.8LV6N/A
2003FordMustangMach 14.6LV8N/A
2003FordMustangGT4.6LV8N/A
2003FordMustangBase4.6LV8N/A
2003FordMustangBase3.8LV6N/A
2002FordMustang4.6LV8N/A
2002FordMustang3.8LV6N/A
2001FordMustang4.6LV8N/A
2001FordMustang3.8LV6N/A
2000FordMustang5.4LV8N/A
2000FordMustang4.6LV8N/A
2000FordMustang3.8LV6N/A
1999FordMustang4.6LV8N/A
1999FordMustang3.8LV6N/A

* 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:

1R3Z9034AA3R3Z9034AA577104F031FNF104FNSF104JLCF031TNKFN703XR3Z9034ECYR3Z9034AA

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