Dorman 579-002 Fuel Tank Sending Unit Lock Ring

Reliable Fuel Tank Sending Unit Lock Ring for Buick and Chevrolet

The Dorman 579-002 fuel tank sending unit lock ring is designed to provide a secure seal for fuel pumps in select Buick and Chevrolet vehicles. Engineered with steel and rubber materials, this lock ring ensures durability and a tight fit for models like the Camaro, Corvette, Nova, and Skylark.

• Constructed from durable steel and rubber for long-lasting performance
• Inside diameter measures 1.75 inches for precise fitment
• Outside diameter and lock ring diameter both measure 2.68 inches
• Includes a gasket or seal to maintain a secure fuel system connection
• Package contains one fuel pump lock ring, part number 579-002

Durable Construction and Precise Dimensions

The Dorman 579-002 lock ring features a steel and rubber build that balances strength with flexibility, helping to maintain a reliable seal around the fuel tank sending unit. With an inside diameter of 1.75 inches and an outside diameter of 2.68 inches, this lock ring is engineered to fit specific fuel pump assemblies accurately. The included gasket or seal enhances the integrity of the fuel system by preventing leaks and contamination.

Compatible Buick and Chevrolet Models

This fuel tank sending unit lock ring is compatible with a range of Buick and Chevrolet vehicles, including the Camaro, Corvette, Nova, and Skylark. It is designed to meet the specifications required for these models, ensuring proper fit and function when replacing the fuel pump lock ring.

Common Applications and Issues Addressed

• Secures the fuel pump sending unit to prevent fuel leaks
• Maintains proper sealing to avoid fuel system contamination
• Replaces worn or damaged lock rings that compromise fuel system integrity
• Helps restore proper fuel gauge readings by ensuring sender unit stability
• Prevents fuel odor and vapor leaks around the fuel tank area

Installation Notes and Tips

When installing the Dorman 579-002 lock ring, ensure the gasket or seal is properly seated to maintain a tight seal. Verify the lock ring diameter matches the fuel pump assembly dimensions. This part does not include mounting hardware, so retain original fasteners or acquire appropriate replacements as needed. Proper torque specifications should be followed to avoid damage to the lock ring or fuel tank components.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Buick or Chevrolet vehicle. The 579-002 fuel tank sending unit lock ring is backed by Dorman's quality assurance processes. Please refer to Dorman's official warranty policy for specific coverage details.