HomeAir and Fuel Delivery > Fuel StorageSpectra FN790 Fuel Filler Neck
Part #: FN790

Spectra FN790 Fuel Filler Neck

⚙️ 53 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$105.21Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Ford and Mercury, Mustang and Capri
🔄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 Ford and Mercury Vehicles

The Spectra FN790 fuel tank filler neck is designed specifically for Ford and Mercury models, including the Capri and Mustang. This component ensures a secure and efficient connection between the fuel filler and the fuel tank, maintaining proper fuel flow and preventing leaks.

  • Compatible with Ford Capri and Mustang models
  • Durable construction for long-lasting performance
  • Direct replacement for OEM fuel tank filler neck
  • Part number FN790 for easy identification
  • Ensures proper fuel delivery and prevents fuel spillage

Product Details and Compatibility

The Spectra FN790 fuel tank filler neck is engineered to meet the specifications required by Ford and Mercury vehicles, particularly the Capri and Mustang. This part provides a precise fit, helping maintain the integrity of the fuel system. Its robust design resists corrosion and wear, which is critical for components exposed to fuel and environmental elements. Using the correct filler neck helps avoid fuel contamination and supports the vehicle’s emission control system.

Common Applications and Problem Resolution

  • Replacement for damaged or corroded fuel tank filler necks
  • Fixes fuel leaks around the filler area
  • Prevents fuel spillage during refueling
  • Restores proper fuel flow to the tank
  • Helps maintain emission system integrity

Installation Notes and Tips

Installation of the Spectra FN790 fuel tank filler neck requires basic mechanical skills and tools. 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 correctly with the fuel tank inlet and filler cap assembly. Tighten all clamps and connections securely to prevent leaks.

Quality Assurance and Warranty Information

Spectra parts are manufactured to meet or exceed OEM standards, providing reliable performance for Ford and Mercury vehicles. The FN790 fuel tank filler neck undergoes quality inspections to ensure durability and fitment accuracy. This part typically comes with a limited warranty covering defects in materials and workmanship, offering peace of mind for your replacement needs.

This part fits 53 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993FordMustang5.0LV8N/A
1993FordMustang2.3LL4N/A
1992FordMustang5.0LV8N/A
1992FordMustang2.3LL4N/A
1991FordMustang5.0LV8N/A
1991FordMustang2.3LL4N/A
1990FordMustang5.0LV8N/A
1990FordMustang2.3LL4N/A
1989FordMustang5.0LV8N/A
1989FordMustang2.3LL4N/A
1988FordMustang5.0LV8N/A
1988FordMustang2.3LL4N/A
1987FordMustang5.0LV8N/A
1987FordMustang2.3LL4N/A
1986FordMustang5.0LV8N/A
1986FordMustang3.8LV6N/A
1986FordMustang2.3LL4N/A
1986MercuryCapri5.0LV8N/A
1986MercuryCapri3.8LV6N/A
1986MercuryCapri2.3LL4N/A
1985FordMustang5.0LV8N/A
1985FordMustang3.8LV6N/A
1985FordMustang2.3LL4N/A
1985MercuryCapri5.0LV8N/A
1985MercuryCapri3.8LV6N/A
1985MercuryCapri2.3LL4N/A
1984FordMustang5.0LV8N/A
1984FordMustang3.8LV6N/A
1984FordMustang2.3LL4N/A
1984MercuryCapri5.0LV8N/A
1984MercuryCapri3.8LV6N/A
1984MercuryCapri2.3LL4N/A
1983FordMustang5.0LV8N/A
1983FordMustang3.8LV6N/A
1983FordMustang2.3LL4N/A
1983MercuryCapri5.0LV8N/A
1983MercuryCapri3.8LV6N/A
1983MercuryCapri2.3LL4N/A
1982FordMustang5.0LV8N/A
1982FordMustang4.2LV8N/A
1982FordMustang3.3LL6N/A
1982FordMustang2.3LL4N/A
1982MercuryCapri5.0LV8N/A
1982MercuryCapri4.2LV8N/A
1982MercuryCapri3.3LL6N/A
1982MercuryCapri2.3LL4N/A
1981FordMustang5.0LV8N/AFrom Apr/1981
1981FordMustang4.2LV8N/AFrom Apr/1981
1981FordMustang3.3LL6N/AFrom Apr/1981
1981FordMustang2.3LL4N/AFrom Apr/1981
1981MercuryCapri4.2LV8N/AFrom Apr/1981
1981MercuryCapri3.3LL6N/AFrom Apr/1981
1981MercuryCapri2.3LL4N/AFrom Apr/1981

* 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:

574020E7ZZ9034AFNF045TNKFN790

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