Dorman 577-863 Fuel Tank Filler Neck

Durable Steel Fuel Tank Filler Neck for Dodge Ram 2500 and 3500

The Dorman 577-863 fuel tank filler neck is engineered to provide a reliable fuel delivery solution for Dodge Ram 2500 and Ram 3500 diesel models. Constructed from sturdy steel and designed with a 24-inch length, this fuel filler neck ensures a secure and efficient connection between the fuel tank and the fuel cap.

Key Features of the Dorman 577-863 Fuel Filler Neck

• Made from durable steel for long-lasting performance
• 24-inch length suitable for Dodge Ram 2500 and 3500 fuel systems
• Black finish for corrosion resistance and durability
• Compatible with diesel fuel types
• Includes one metal tube vent line for proper fuel tank ventilation
• 1.5-inch inside diameter fill pipe for optimal fuel flow
• Twist-type cap compatibility (cap not included)
• Package contains one fuel filler neck

Detailed Description of the Fuel Tank Filler Neck

The Dorman 577-863 fuel tank filler neck is designed specifically for diesel-powered Dodge Ram 2500 and Ram 3500 trucks. Its steel construction provides strength and resistance to wear, while the black coating helps protect against rust and environmental damage. The 24-inch length and 1.5-inch inside diameter fill pipe ensure proper fitment and fuel flow. This part features a single metal tube vent line to maintain correct pressure and prevent fuel vapor buildup. Note that this fuel filler neck does not include a fuel cap or mounting hardware, so those components must be sourced separately.

Common Applications and Issues Addressed

• Replacement of damaged or corroded fuel filler necks on Dodge Ram 2500 and 3500 diesel trucks
• Resolving fuel leaks or fuel odor caused by cracked or worn filler necks
• Fixing ventilation problems that lead to fuel tank pressure imbalances
• Ensuring proper fuel flow during refueling to prevent spillage
• Maintaining compliance with fuel system integrity standards

Installation Notes and Tips

When installing the Dorman 577-863 fuel tank filler neck, verify compatibility with your Dodge Ram 2500 or 3500 diesel model year. Since mounting hardware and fuel cap are not included, retain or purchase the necessary components separately. Inspect vent lines and connections for proper sealing to avoid fuel vapor leaks. Use appropriate tools to secure the filler neck firmly without over-tightening to prevent damage.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 577-863 fuel tank filler neck undergoes quality checks to ensure durability and performance. Please refer to Dorman's official warranty policy for coverage details.