Dorman 579-021 Fuel Tank Sending Unit Lock Ring

Reliable Fuel Tank Sending Unit Lock Ring for Chevrolet Corvette

The Dorman 579-021 fuel tank sending unit lock ring is designed specifically for Chevrolet Corvette models. Crafted from durable fiber material, this lock ring ensures a secure seal and proper fitment for your fuel tank sending unit, helping maintain fuel system integrity.

• Constructed from high-quality fiber material for durability
• Inside diameter measures 3.125 inches for precise fit
• Outside diameter of 4 inches to match OEM specifications
• Includes gasket or seal to prevent leaks
• Package contains one fuel pump lock ring

Durable Fiber Construction and Precise Dimensions

The Dorman 579-021 lock ring features a fiber construction that offers resistance to fuel and environmental factors, ensuring long-lasting performance. With an inside diameter of 3.125 inches and an outside diameter of 4 inches, this lock ring is engineered to meet the exact specifications required for the Chevrolet Corvette fuel tank sending unit. The included gasket or seal helps maintain a tight, leak-free connection between the fuel pump assembly and the tank.

Compatible Applications and Use Cases

This fuel tank sending unit lock ring is compatible with Chevrolet Corvette models, providing a reliable replacement part for fuel system maintenance or repair. It is commonly used to address issues such as:

• Fuel leaks around the sending unit
• Loose or damaged lock rings causing fuel system malfunctions
• Replacement during fuel pump or sending unit servicing
• Preventing contamination and maintaining fuel system pressure

Installation Notes and Tips

When installing the Dorman 579-021 lock ring, ensure the gasket or seal is properly seated to prevent leaks. Verify the lock ring’s dimensions match the fuel tank sending unit and tank opening. Use appropriate tools to avoid damaging the fiber material during installation. Follow vehicle-specific service manual instructions for best results.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Chevrolet Corvette. The 579-021 fuel tank sending unit lock ring undergoes quality checks to ensure fit and function. Please refer to Dorman’s warranty policy for coverage details.