HomeAir and Fuel Delivery > Fuel StorageSpectra FN748 Fuel Filler Neck
Part #: FN748

Spectra FN748 Fuel Filler Neck

5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan and INFINITI, Pathfinder and QX4
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Tank Filler Neck for Infiniti and Nissan Vehicles

The Spectra FN748 fuel tank filler neck is designed specifically for select Infiniti and Nissan models, including the Pathfinder and QX4. This component ensures a secure and efficient connection between the fuel filler cap and the fuel tank, maintaining proper fuel system integrity.

  • Compatible with Infiniti Pathfinder and Nissan QX4 models
  • Durable construction for long-lasting performance
  • Direct replacement for original equipment part number FN748
  • Ensures proper fuel flow and prevents leaks
  • Manufactured by Spectra for consistent quality

Product Details and Specifications

The Spectra FN748 fuel tank filler neck is engineered to meet or exceed OEM standards for fit and function. It is designed to fit the fuel storage system of Infiniti Pathfinder and Nissan QX4 vehicles, providing a reliable pathway for fuel to enter the tank. This part is constructed from materials that resist corrosion and wear, helping to maintain fuel system safety and efficiency over time. The FN748 part number ensures compatibility and easy identification for maintenance or replacement needs.

Common Applications and Problem Resolution

This fuel tank filler neck is used to replace worn or damaged filler necks that can cause issues such as:

  • Fuel leaks around the filler area
  • Difficulty refueling due to clogged or damaged filler neck
  • Check engine light triggered by fuel system pressure problems
  • Fuel odor near the vehicle due to vapor leaks
  • Failed emissions tests related to fuel system integrity

Installation Notes and Tips

Installation of the Spectra FN748 fuel tank filler neck should be performed by a qualified technician or experienced DIYer. Ensure the vehicle is parked on a level surface and the fuel system is depressurized before beginning. Remove the old filler neck carefully to avoid damage to surrounding components. Verify the new filler neck aligns properly with the fuel tank inlet and filler cap assembly. Tighten all clamps and connections securely to prevent leaks.

Quality Assurance and Warranty Information

Spectra manufactures the FN748 fuel tank filler neck to meet strict quality control standards. This part is tested for durability and fitment to ensure reliable operation in compatible Infiniti Pathfinder and Nissan QX4 vehicles. While specific warranty details may vary, Spectra typically offers a limited warranty against defects in materials and workmanship, providing confidence in the product's performance.

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004NissanPathfinder3.5LV6N/A
2003INFINITIQX43.5LV6N/A
2003NissanPathfinder3.5LV6N/A
2002INFINITIQX43.5LV6N/A
2002NissanPathfinder3.5LV6N/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:

172215W501577395FNGM201FNN009FNSN009JLCNS009TNKFN748

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