Dorman 577-808 Fuel Filler Neck

Overview of Dorman Fuel Tank Filler Neck 577-808

The Dorman 577-808 fuel tank filler neck is designed for reliable fuel delivery in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Constructed from durable steel, this 30-inch filler neck ensures a secure connection between the fuel cap and the fuel tank.

• Made from sturdy steel for long-lasting durability
• 30-inch length suitable for specific vehicle models
• 1.49-inch inside diameter fill pipe for proper fuel flow
• Compatible with Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, and Regal
• Includes one fuel filler neck; fuel cap not included

Detailed Product Description

The Dorman 577-808 fuel tank filler neck is engineered to meet the specifications of various GM vehicles, including the Buick Cutlass Supreme and Chevrolet Lumina. Its steel construction provides resistance to corrosion and wear, ensuring consistent fuel delivery over time. The 30-inch length and 1.49-inch inside diameter fill pipe are designed to fit precisely, reducing the risk of fuel leaks or vapor loss. This part is essential for maintaining the integrity of the fuel system and supporting proper refueling operations.

Compatible Vehicles and Applications

This fuel tank filler neck is compatible with the following makes and models:

• Buick Cutlass Supreme
• Chevrolet Lumina
• Oldsmobile Cutlass Supreme
• Pontiac Grand Prix
• Pontiac Regal

Common Issues Addressed by This Fuel Filler Neck

• Fuel leaks around the filler neck area
• Difficulty refueling due to damaged or corroded filler neck
• Fuel vapor leaks causing check engine light or emissions issues
• Corrosion or rust compromising fuel system integrity
• Loose or ill-fitting filler neck connections

Installation Notes and Tips

When installing the Dorman 577-808 fuel tank filler neck, ensure the vehicle is parked on a level surface and the fuel system is depressurized. Remove the old filler neck carefully to avoid damaging surrounding components. Verify the 30-inch length and 1.49-inch inside diameter match the original part. Use appropriate clamps and seals to secure the filler neck and prevent leaks. Since the fuel cap is not included, retain or replace the existing cap as needed.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards. The 577-808 fuel tank filler neck undergoes quality inspections to ensure fit, form, and function. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.