Dorman 577-903 Fuel Filler Neck

Overview of Dorman Fuel Tank Filler Neck 577-903

The Dorman 577-903 fuel tank filler neck is designed specifically for Ford F-150 and F-250 models, providing a reliable connection for fuel delivery. 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 31 inches for proper fitment
• 2.2-inch inside diameter fill pipe for efficient fuel flow
• Compatible with Ford F-150 and F-250 models
• Includes fuel filler neck only; fuel cap not included

Detailed Product Description

The Dorman 577-903 fuel tank filler neck is engineered to meet the specifications required for Ford F-150 and F-250 trucks. Its 31-inch length and 2.2-inch inside diameter fill pipe are designed to facilitate smooth fuel transfer while maintaining a secure seal. Made from steel, this part offers resistance to corrosion and physical damage, which is essential for fuel system components exposed to harsh conditions. This fuel filler neck does not include a fuel cap, so ensure compatibility with your existing cap or purchase separately if needed.

Common Applications and Problem Resolution

• Replacement for damaged or corroded fuel filler necks on Ford F-150 and F-250
• Fixes fuel leaks caused by cracks or holes in the filler neck
• Resolves issues with improper fuel flow due to deformed or bent filler pipes
• Addresses fuel odor problems linked to faulty filler neck seals
• Restores proper fuel system venting and filling functionality

Installation Notes and Tips

• Ensure the vehicle is parked on a level surface and the engine is cool before installation
• Remove the old filler neck carefully to avoid damage to surrounding components
• Verify the 31-inch length and 2.2-inch inside diameter match your vehicle’s requirements
• Use appropriate clamps and seals to secure the filler neck and prevent leaks
• Check for proper alignment to avoid fuel spillage during refueling

Quality Assurance and Warranty

Dorman parts, including the 577-903 fuel tank filler neck, are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or Dorman’s official documentation for exact warranty terms.