/live/media/RB/RB_577501_Fro.jpg)
Dorman 577-501 Fuel Filler Neck Seal
| Brand | Dorman 577-501 |
|---|---|
| Inside Diameter | 1.3 |
| Material | Rubber |
| Outside Diameter | 2.5 |
| Package Contents | Fuel Tank Filler Neck Grommet |
| Thickness | 0.9 |
| Fits | Ford, Mercury, and Lincoln · 33 vehicles |
OE-style replacement. Matches the original seal's fit and function.
Rubber construction. Built for durability and reliable sealing performance.
Fuel filler neck seal. Helps maintain a secure seal in the fuel system.
Cross-references Spectra Premium FNA05 and 2R3Z9072AA for the same application. See all 2.
Fuel Filler Neck Seal for Ford, Mercury, and Lincoln
Dorman 577-501 is a rubber fuel filler neck seal made to match the original seal’s fit and function on specified vehicles. It helps restore a tight seal at the fuel tank filler neck for dependable everyday performance on applications such as the Ford Crown Victoria, Mercury Grand Marquis, Ford Mustang, Lincoln Town Car, and Mercury Marauder.
Key Features
- Rubber construction for sealing performance and durability
- Inside diameter: 1.3 in.
- Outside diameter: 2.5 in.
- Thickness: 0.9 in.
- Package contents: fuel tank filler neck grommet
- Direct-fit replacement for specified Ford, Mercury, and Lincoln fuel filler neck applications
Detailed Description
This Dorman fuel filler neck seal, part number 577-501, is engineered to replace the original seal at the fuel tank filler neck on select vehicles. It is built from rubber and sized to match the OE-style dimensions needed to help maintain a secure seal between the filler neck and tank opening. For drivers searching for a fuel filler neck seal for 1998-2006 Ford Crown Victoria, 1998-2006 Mercury Grand Marquis, or 1999-2004 Ford Mustang applications, this part provides a direct replacement option. This part cross-references Ford 2R3Z9072AA and Spectra Premium FNA05 for the same application.
What It Helps Solve
- Fuel odor around the filler area caused by a worn seal
- Loose or deteriorated filler neck grommet material
- Seepage at the fuel tank filler neck interface
- Fitment issues from an aged or cracked original seal
- Restoration work on Ford Crown Victoria, Mercury Grand Marquis, and Lincoln Town Car fuel systems
Installation Notes and Tips
Verify vehicle fitment before installation and compare the original seal dimensions to the new part. Clean the filler neck and tank opening thoroughly so the rubber seal seats evenly. Inspect the surrounding filler neck components for wear, corrosion, or damage before reassembly.
Quality Assurance
Dorman designs this fuel filler neck seal to match the fit and function of the original seal on specified vehicles, with an emphasis on durable, reliable service in fuel system sealing applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Ford | Crown Victoria | N/A | — |
| 2006 | Mercury | Grand Marquis | N/A | — |
| 2005 | Ford | Crown Victoria | N/A | — |
| 2005 | Mercury | Grand Marquis | N/A | — |
| 2004 | Ford | Crown Victoria | N/A | — |
| 2004 | Ford | Mustang | N/A | — |
| 2004 | Lincoln | Town Car | N/A | — |
| 2004 | Mercury | Grand Marquis | N/A | — |
| 2004 | Mercury | Marauder | N/A | — |
| 2003 | Ford | Crown Victoria | N/A | — |
| 2003 | Ford | Mustang | N/A | — |
| 2003 | Lincoln | Town Car | N/A | — |
| 2003 | Mercury | Grand Marquis | N/A | — |
| 2003 | Mercury | Marauder | N/A | — |
| 2002 | Ford | Crown Victoria | N/A | — |
| 2002 | Ford | Mustang | N/A | — |
| 2002 | Lincoln | Town Car | N/A | — |
| 2002 | Mercury | Grand Marquis | N/A | — |
| 2001 | Ford | Crown Victoria | N/A | — |
| 2001 | Ford | Mustang | N/A | — |
| 2001 | Lincoln | Town Car | N/A | — |
| 2001 | Mercury | Grand Marquis | N/A | — |
| 2000 | Ford | Crown Victoria | N/A | — |
| 2000 | Ford | Mustang | N/A | — |
| 2000 | Lincoln | Town Car | N/A | — |
| 2000 | Mercury | Grand Marquis | N/A | — |
| 1999 | Ford | Crown Victoria | N/A | — |
| 1999 | Ford | Mustang | N/A | — |
| 1999 | Lincoln | Town Car | N/A | — |
| 1999 | Mercury | Grand Marquis | N/A | — |
| 1998 | Ford | Crown Victoria | N/A | — |
| 1998 | Lincoln | Town Car | N/A | — |
| 1998 | Mercury | Grand Marquis | N/A | — |
| No rows match your filter. | ||||