Dorman 577-870 Fuel Tank Filler Neck

Reliable Fuel Tank Filler Neck for Chevrolet and GMC Trucks

The Dorman 577-870 fuel tank filler neck is designed to provide a durable and precise fit for Chevrolet Silverado 1500 and GMC Sierra 1500 models. Constructed from steel with a black finish, this fuel filler neck ensures long-lasting performance and resistance to wear.

• Made from durable steel material for strength and corrosion resistance
• 15-inch length with a 1-inch inside diameter fill pipe
• Compatible with gasoline fuel types
• Includes one metal and rubber tube vent line for proper ventilation
• Designed for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks
• Cap type: twist (fuel cap not included)
• Does not include hose or mounting hardware

Product Details and Specifications

The Dorman 577-870 fuel tank filler neck features a 15-inch length and a 1-inch inside diameter fill pipe, making it suitable for the fuel systems of Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. Its steel construction provides durability and resistance to corrosion, while the black finish offers additional protection against environmental factors. The vent line attached is a combination of metal and rubber tube, ensuring proper fuel tank ventilation and pressure regulation. This part is designed specifically for gasoline fuel types and includes one vent line to maintain system integrity. The twist-type cap design is compatible with standard fuel caps, although the cap itself is not included with this part.

Common Applications and Problem Resolution

• Replaces damaged or rusted fuel filler necks on Chevrolet Silverado 1500 and GMC Sierra 1500
• Solves fuel leakage issues caused by cracked or corroded filler necks
• Restores proper fuel tank ventilation to prevent pressure build-up
• Addresses difficulties with fuel cap sealing due to worn filler neck components
• Improves fuel system reliability and safety for gasoline-powered trucks

Installation Notes and Tips

Installation of the Dorman 577-870 fuel tank filler neck requires basic mechanical skills and appropriate tools. Since mounting hardware and hoses are not included, ensure you have the necessary clamps and fasteners before beginning installation. Verify compatibility with your Chevrolet Silverado 1500 or GMC Sierra 1500 model year and fuel system configuration. Inspect the fuel filler area for any additional damage or corrosion that may need attention during replacement.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 577-870 fuel tank filler neck undergoes quality checks to ensure durability and reliable performance. Please refer to Dorman's official warranty policy for specific coverage details related to this part.