Dorman 579-102 Fuel Tank Lock Ring

Reliable Fuel Tank Lock Ring for GM Vehicles

The Dorman 579-102 fuel tank lock ring is engineered from durable steel to provide a secure seal for your fuel pump assembly. Designed specifically for a wide range of GM vehicles, this lock ring ensures proper fitment and reliable performance.

• Constructed from robust steel for strength and longevity
• Lock ring diameter of 7.36 inches for precise fit
• Includes one fuel pump lock ring per package
• Compatible with multiple Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, and Saturn models

Durable Steel Construction and Precise Dimensions

This fuel tank lock ring features a 7.36-inch diameter, matching OEM specifications to maintain a tight seal around the fuel pump. The steel material resists corrosion and wear, helping to prevent fuel leaks and maintain system integrity. The Dorman 579-102 is designed to meet the demands of various GM vehicles, including the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Buick Enclave.

Compatible GM Models and Applications

This lock ring is compatible with a broad range of GM makes and models, including Buick LaCrosse and Regal, Cadillac CTS and XT5, Chevrolet Camaro and Colorado, GMC Canyon and Yukon, Hummer H2 and H3, Pontiac G6 and Grand Prix, and Saturn Aura and Vue. The Dorman 579-102 is ideal for owners needing a reliable replacement part for their fuel tank assembly.

Common Issues Addressed by the Fuel Tank Lock Ring

• Prevents fuel leaks caused by worn or damaged lock rings
• Secures the fuel pump assembly to avoid fuel system malfunctions
• Maintains proper fuel tank pressure and sealing
• Eliminates fuel odor and vapor leaks
• Ensures safe and efficient fuel delivery system operation

Installation Notes and Tips

When installing the Dorman 579-102 fuel tank lock ring, ensure the fuel tank surface and pump assembly are clean and free of debris. Use appropriate tools to avoid damaging the lock ring or fuel pump components. Verify the lock ring diameter matches the OEM specification of 7.36 inches for proper fitment. Follow vehicle-specific service manual instructions for safe removal and installation procedures.

Quality Assurance and Warranty

Dorman manufactures this fuel tank lock ring to meet or exceed OEM standards, providing reliable performance and durability. The steel construction offers resistance to corrosion and wear. While specific warranty details may vary, Dorman typically backs their parts with a limited warranty against defects in material and workmanship.