Dorman 579-008 Fuel Tank Sending Unit Lock Ring

Reliable Fuel Tank Sending Unit Lock Ring for Ford, Mazda, Mercury

The Dorman 579-008 fuel tank sending unit lock ring is designed to provide a secure seal and reliable fitment for select Ford, Mazda, and Mercury vehicles. Engineered with durable rubber material, this lock ring ensures proper sealing and helps maintain fuel system integrity.

Key Features of Dorman 579-008 Lock Ring

• Constructed from durable rubber for effective sealing
• Inside diameters of 2.5 inches and 3.75 inches for precise fit
• Outside diameter measures 4.25 inches for compatibility
• Includes gasket or seal to prevent leaks
• Lock ring diameter of 4 inches ensures secure fastening
• Package contains one fuel pump lock ring

Detailed Product Description

The Dorman 579-008 fuel tank sending unit lock ring is specifically designed to fit a range of Ford, Mazda, and Mercury models including the Ford Festiva and Tracer, Mazda 323 and 626, and Mercury B2000, B2200, and B2600. Made from high-quality rubber, this lock ring provides a reliable seal around the fuel tank sending unit, helping to prevent fuel leaks and maintain proper fuel system pressure. The included gasket or seal enhances the sealing capability, ensuring a tight fit between components. With precise inside diameters of 2.5 and 3.75 inches and an outside diameter of 4.25 inches, this lock ring is engineered for exact fitment and durability.

Common Applications and Issues Addressed

• Secures the fuel tank sending unit to prevent fuel leaks
• Maintains proper fuel system pressure for accurate fuel level readings
• Replaces worn or damaged lock rings in Ford, Mazda, and Mercury vehicles
• Prevents contamination and moisture ingress into the fuel tank
• Helps avoid fuel system malfunctions related to poor sealing

Installation Notes and Tips

When installing the Dorman 579-008 lock ring, ensure the gasket or seal is properly seated to achieve an effective seal. Clean the mounting surface thoroughly before installation to remove any debris or old sealant. This lock ring is designed for direct replacement on compatible Ford, Mazda, and Mercury models, so verify fitment with your vehicle’s specifications. No additional mounting hardware is included, so retain original fasteners if applicable.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 579-008 fuel tank sending unit lock ring undergoes quality inspections to ensure proper dimensions and material integrity. Please refer to Dorman’s warranty policy for specific coverage details.