Dorman 577-728 Fuel Filler Neck

Overview of Dorman Fuel Tank Filler Neck 577-728

The Dorman 577-728 fuel tank filler neck is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. Constructed from durable steel, this fuel filler neck ensures reliable fuel delivery and a secure connection between the fuel cap and tank.

• Material: Steel for enhanced durability and corrosion resistance
• Length: 17 inches to fit specified Ford Super Duty models
• Fill Pipe Inside Diameter: 1.5 inches for proper fuel flow
• Fuel Cap Included: No, sold separately
• Package Contents: One fuel filler neck

Detailed Product Description

The Dorman 577-728 fuel tank filler neck is engineered to meet the specifications of Ford F-250 Super Duty and F-350 Super Duty trucks. Its 17-inch length and 1.5-inch inside diameter fill pipe are designed to provide a precise fit and efficient fuel transfer. Made from steel, this filler neck offers resistance to wear and corrosion, which is critical for maintaining fuel system integrity over time. The part number 577-728 corresponds to this exact replacement component, ensuring compatibility and ease of installation.

Common Applications and Problem Resolution

• Replacement of damaged or rusted fuel filler necks on Ford F-250 Super Duty and F-350 Super Duty
• Eliminating fuel leaks caused by cracks or corrosion in the filler neck
• Resolving issues with improper fuel cap sealing due to filler neck deformation
• Restoring proper fuel flow and preventing contamination in the fuel system
• Addressing fitment problems with aftermarket or worn filler necks

Installation Notes and Tips

Installation of the Dorman 577-728 fuel tank filler neck requires basic mechanical skills and tools. 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 17-inch length and 1.5-inch diameter match the original part. Since the fuel cap is not included, retain or replace the fuel cap separately. Tighten all clamps and connections securely to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 577-728 fuel tank filler neck undergoes quality inspections to ensure durability and performance. 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.