Dorman 577-093 Fuel Filler Neck

Fuel Tank Filler Neck for Ford and Mercury

Dorman 577-093 is a steel fuel tank filler neck for select Ford Crown Victoria, Grand Marquis, and Mercury Marauder applications. It is precision-engineered and tested to match the original filler neck design for a reliable repair when the fuel filler neck is leaking.

• Steel construction for durable fuel system service
• 28.2 in. overall length
• 1.12 in. inside diameter at the fill pipe
• No fuel cap included
• Direct replacement for specific Ford and Mercury vehicles

Vehicle Fitment

• Fits 1998-2004 Ford Crown Victoria, N/A
• Fits 1998-2004 Ford Grand Marquis, N/A
• Fits 1998-2004 Mercury Grand Marquis, N/A
• Fits 2003-2004 Mercury Marauder, N/A

Detailed Description

This Dorman fuel filler neck, part number 577-093, is built for direct replacement use on select Ford Crown Victoria and Grand Marquis models, along with the Mercury Grand Marquis and Mercury Marauder. The steel tube is formed to match the original layout and dimensions, helping restore proper fuel fill routing and sealing at the tank opening. This part cross-references Ford (e.g., 2R3Z9072AA) and Spectra Premium (e.g., FN588) for the same application.

What It Helps Fix

• Fuel leaking near the filler neck
• Corrosion or rust damage in the filler tube
• Cracked or deteriorated original neck assembly
• Improper fuel fill due to damaged tube dimensions
• Fuel odor caused by a compromised filler neck

Installation Notes and Tips

Verify vehicle year and model before installation. Compare the original neck length, inside diameter, and routing to confirm proper alignment with the tank and filler opening. Transfer any vehicle-specific connections or mounting points from the original assembly as required by the application.

Quality Assurance

Dorman tests this replacement fuel filler neck against original equipment specifications for the listed applications. Part number 577-093 is engineered for a direct-fit repair on the specified Ford and Mercury vehicles.