Dorman OE Solutions Fuel Tank Filler Neck for 1999-2004 Ford Mustang 577-104

Fuel tank filler neck for 1999-2004 Ford Mustang used to replace leaking or corroded factory fuel filler pipes.

Built to meet the manufacturer's design intent for reliable service, this replacement part is precision-engineered and thoroughly tested to match the original equipment form, fit, and function.

Key Features

• Direct replacement for a proper fit and easy installation
• Constructed from quality materials to resist corrosion and leakage
• Thoroughly tested to ensure reliable performance
• Engineered by Dorman's team of experts in the United States
• Matches original equipment specifications for seamless integration

Benefits

• Eliminates fuel odors and leaks caused by a damaged filler neck
• Restores safe and efficient fueling operations
• Reduces the risk of repeat repairs with durable construction
• Provides a cost-effective solution compared to dealer parts
• Ensures compliance with vehicle safety standards

Application

This part is designed for owners of 1999 through 2004 Ford Mustangs experiencing rust, holes, or separation in the factory fuel filler pipe that prevents proper refueling or causes dangerous fuel vapors.

Fitment Notes

• Compatible with 1999, 2000, 2001, 2002, 2003, and 2004 Ford Mustang models
• Replaces Ford part numbers 3R3Z9034AA, XR3Z9034EC, YR3Z9034AA, and 1R3Z9034AA
• Also compatible with Spectra Premium FN703

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Backed by a strong focus on fit, durability, and dependable performance
• Validated through rigorous testing to stand up to daily driving demands
• Offers a smart way to restore your vehicle with confidence

What's in the Box

• 1 Fuel Tank Filler Neck

Item Dimensions

• Length: 23.3 inches
• Width: 7.5 inches
• Height: 5.4 inches
• Weight: 2.9 lbs