Dorman 577-342 Fuel Tank Filler Neck - Front

Reliable Fuel Tank Filler Neck for Chevrolet and GMC Trucks

The Dorman 577-342 fuel tank filler neck is designed to provide a durable and precise fit for Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD models. Crafted from steel, this filler neck ensures long-lasting performance and resistance to wear.

• Constructed from sturdy steel for enhanced durability
• Length of 35 inches for proper fitment and fuel flow
• 1-inch inside diameter fill pipe for compatibility with standard fuel caps
• Includes 1 filler neck, 4 hoses, and 1 ground wire for a complete assembly
• Compatible with Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD

Durable Steel Construction and Precise Dimensions

This fuel tank filler neck by Dorman is engineered with a 35-inch length and a 1-inch inside diameter fill pipe, ensuring a secure connection to your vehicle's fuel system. The steel material offers resistance to corrosion and physical damage, making it suitable for heavy-duty use in Chevrolet and GMC trucks. The package includes four hoses and a ground wire, providing the necessary components for a reliable fuel delivery connection.

Compatible Applications and Vehicle Fitment

The Dorman 577-342 fuel tank filler neck is specifically designed for use with Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD models. This ensures a proper fit and function, maintaining the integrity of your truck's fuel system. Using the correct filler neck helps prevent fuel leaks and contamination, supporting optimal vehicle performance.

• Replaces damaged or corroded fuel tank filler necks
• Prevents fuel leaks and vapor loss
• Restores proper fuel flow during refueling
• Eliminates issues related to loose or cracked filler pipes
• Supports compliance with emissions standards by maintaining a sealed fuel system

Installation Notes and Tips

When installing the Dorman 577-342 fuel tank filler neck, ensure all hoses are securely connected and the ground wire is properly attached to prevent electrical issues. Verify the filler neck length and diameter match your vehicle’s specifications before installation. It is recommended to inspect the fuel cap seal and surrounding components during replacement to maintain a tight fuel system.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Chevrolet Silverado 3500 HD or GMC Sierra 3500 HD. While specific warranty details for part number 577-342 are not provided, Dorman typically offers limited warranties on their replacement parts to ensure customer confidence and product durability.