Dorman 577-104 Fuel Filler Neck

Overview of Dorman Fuel Tank Filler Neck for Ford Mustang

The Dorman 577-104 fuel tank filler neck is designed specifically for Ford Mustang models, providing a reliable connection between the fuel cap and the fuel tank. Constructed from durable steel, this fuel filler neck ensures long-lasting performance and resistance to wear.

• Made from sturdy steel material for durability
• Length of 21.5 inches for precise fitment
• Fill pipe inside diameter of 1.25 inches
• Does not include a fuel cap
• Package contains one fuel filler neck

Detailed Product Description

This fuel tank filler neck by Dorman is engineered to meet the specifications required for Ford Mustang vehicles. The 21.5-inch length and 1.25-inch inside diameter fill pipe are designed to provide a secure and proper fit, ensuring efficient fuel delivery and minimizing the risk of leaks. The steel construction offers resistance to corrosion and physical damage, which is essential for maintaining fuel system integrity over time. Note that this part does not include a fuel cap, so the existing cap should be reused or replaced separately if needed.

Common Applications and Issues Addressed

• Replacement for damaged or corroded fuel filler necks on Ford Mustang models
• Fixes fuel leaks caused by cracks or holes in the filler neck
• Resolves issues with improper fuel flow during refueling
• Addresses fitment problems due to worn or bent filler necks
• Prevents fuel vapor leaks that can trigger check engine lights

Installation Notes and Tips

Installation of the Dorman 577-104 fuel tank filler neck requires basic automotive tools and moderate mechanical experience. Ensure the vehicle is parked on a level surface and the fuel system is depressurized before beginning. Remove the old filler neck carefully to avoid damage to surrounding components. Verify the length and diameter match the original part to ensure proper fitment. Tighten all clamps and connections securely to prevent leaks. If the fuel cap is worn or damaged, consider replacing it separately to maintain a proper seal.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for Ford Mustang fuel system repairs. The 577-104 fuel tank filler neck undergoes quality inspections to ensure durability and fitment accuracy. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.