Dorman 577-046 Fuel Tank Filler Neck

Brand Dorman 577-046
Material Steel
Length 31
Fuel Cap Included No
Fill Pipe Inside Diameter 1
Package Contents 1 fuel filler neck
Fits Mercury and Nissan · 8 vehicles

Direct replacement. Matches the original filler neck for the listed applications.

Steel construction. Built for durable fuel system service and a precise fit.

Application-specific sizing. 31-inch length with a 1-inch inside diameter fill pipe.

Cross-references Spectra Premium FN934, 172217B000 and XF5Z9034AA for the same application. See all 3.

$124.38Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $124.38
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Free returns within 60 days if it doesn't fit when fitment is verified.

Fuel Filler Neck Overview

This Dorman fuel tank filler neck is a direct replacement for select vehicles with a leaking or damaged filler tube. It is precision-engineered and tested to match the original part for a reliable repair on compatible applications.

Fits 1999-2002 Mercury Villager and 1999-2002 Nissan Quest. Part number 577-046 is built for a straightforward fuel system repair where the original filler neck has corroded, cracked, or begun leaking.

Key Features

  • Steel construction for durable fuel system service.
  • Direct replacement design for the original filler neck.
  • 31-inch overall length for the specified application.
  • 1-inch inside diameter fill pipe.
  • Fuel cap not included.

Detailed Description

The Dorman 577-046 fuel filler neck is made to restore the connection between the fuel door area and the tank on select Mercury Villager and Nissan Quest models. Its steel construction and application-specific dimensions help it match the original layout, making it a practical choice when the factory neck is rusted, leaking, or otherwise no longer serviceable. This part number 577-046 is intended for vehicles that need an OE-style replacement fuel filler neck without changing the original fuel system design.

This part cross-references Spectra Premium FN934 for the same application.

What It Is Used For

  • Stopping fuel vapor or liquid leaks from a damaged filler neck.
  • Replacing a corroded steel tube in the fuel fill path.
  • Restoring proper fuel cap sealing at the filler opening.
  • Repairing a cracked or rusted neck that affects refueling.

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. Compare the original filler neck length and fill pipe diameter to confirm application match. Inspect surrounding fuel hoses, clamps, and mounting points during installation so the repair is completed with the rest of the fuel fill system in good condition.

Quality Assurance

Dorman tests this replacement fuel filler neck to match the original part for the listed applications. The part is engineered for a reliable repair on the specified vehicle fitment.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2002MercuryVillager—
2002NissanQuest—
2001MercuryVillager—
2001NissanQuest—
2000MercuryVillager—
2000NissanQuest—
1999MercuryVillager—
1999NissanQuest—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — FN934172217B000XF5Z9034AA