Spectra Premium FN790 fuel tank filler neck for the 1981-1982 Ford Mustang 6-cylinder 3.3L or V8 4.2L, the 1981-1993 Mustang 4-cylinder 2.3L or V8 5.0L, the 1983-1986 Mustang V6 3.8L and other vehicles carries fuel from the pump nozzle to the tank. Innovative engineering, manufacturing technology and quality control go into meeting or exceeding the performance of the original equipment it replaces.
- Spectra Premium filler neck in steel with a 51 mm fill pipe inside diameter
- Listed for gas fuel
- No vent line attached, with a vent quantity of 0
Quick facts
- Part: Spectra Premium FN790 fuel tank filler neck
- Fits: the 1981-1982 Ford Mustang 6-cylinder 3.3L or V8 4.2L, the 1981-1993 Mustang 4-cylinder 2.3L or V8 5.0L, the 1983-1986 Mustang V6 3.8L and other vehicles
- Material: Steel
- Condition: New
A fuel smell near the filler, rust or cracks in the neck, or fuel leaking at the filler can mean the neck is damaged, and a leak is worth a prompt shop visit. Before you replace it, rule out a loose or missing fuel cap and a worn filler hose, either of which can also leave a fuel smell.
Fits
It also fits the 1981-1982 Mercury Capri 6-cylinder 3.3L or V8 4.2L, the 1981-1986 Capri 4-cylinder 2.3L, the 1982-1986 Capri V8 5.0L and the 1983-1986 Capri V6 3.8L, with a single neck per vehicle.
Specifications
Fit and size
- Quantity per vehicle: 1
- Fill pipe inside diameter: 51 mm
Build and materials
- Material: Steel
- Compatible fuel type: Gas
- Vent line attached: No
- Condition: New
- Country of origin: China
In the box
One fuel tank filler neck. The fuel cap, hose and mounting hardware are not included, and the old hardware may not be reusable, so plan on new hardware.
This part cross-references / interchanges with the following part numbers:
4063283, 574020, E7ZZ9034A, TNKFN790, FNF045
Frequently Asked Questions
What is the fill pipe inside diameter of the Spectra Premium fuel tank filler neck?
Spectra Premium FN790 has a 51 mm fill pipe inside diameter and is listed for gas fuel.
Will the FN790 work as a fuel filler for the 1983-1986 Ford Mustang V6 3.8L?
Yes. Spectra Premium FN790 fits the 1983-1986 Ford Mustang V6 3.8L, which takes one neck.
Does a Spectra Premium fuel filler hose come with the FN790?
No. This listing is one fuel tank filler neck; the hose, fuel cap and mounting hardware are not included, and old fasteners may not be reusable.
Can a rusted or cracked Spectra Premium fuel filler neck cause a fuel smell?
Yes, it can: a crack or rust-through in the neck can let fuel vapor or liquid escape near the filler. A shop can inspect it if you notice a fuel smell.
Does the FN790 fuel tank filler neck have a vent line attached?
No. Spectra Premium FN790 comes without a vent line attached and lists a vent quantity of 0.
