Dorman 55810 Fuel Tank Sending Unit Lock Ring

Reliable Fuel Tank Sending Unit Lock Ring for GM Vehicles

The Dorman 55810 Fuel Tank Sending Unit Lock Ring is engineered to provide a secure seal and reliable fitment for a wide range of GM vehicles. Constructed from durable steel and including a gasket for proper sealing, this lock ring is designed to maintain fuel system integrity in models such as Chevrolet Blazer, GMC Sierra, and Cadillac DeVille.

• Made from high-strength steel for durability and corrosion resistance
• Includes a gasket to ensure a proper seal and prevent fuel leaks
• Package contains the sending unit retainer lock ring only
• Compatible with multiple GM makes and models including Buick, Pontiac, and Oldsmobile
• Part number 55810 ensures exact replacement fit

Durable Steel Construction with Included Gasket

This fuel tank sending unit lock ring is manufactured from steel, providing the necessary strength to securely hold the sending unit in place under various operating conditions. The included gasket helps create a tight seal between the fuel tank and sending unit, reducing the risk of fuel vapor leaks and maintaining system pressure. Although mounting hardware is not included, the lock ring is designed to fit precisely with original equipment components for straightforward installation.

Compatible GM Models and Applications

The Dorman 55810 lock ring is compatible with a broad range of General Motors vehicles, including popular models such as the Chevrolet Camaro, GMC Suburban, Buick LeSabre, Pontiac Firebird, and Cadillac Eldorado. This part is suitable for use in trucks, SUVs, and passenger cars from the 1980s through early 2000s, covering models like the Chevrolet C1500, GMC Jimmy, and Oldsmobile 88.

Common Issues Addressed by the Fuel Tank Sending Unit Lock Ring

• Prevents fuel leaks caused by worn or damaged lock rings
• Eliminates fuel vapor odors due to improper sealing
• Secures the sending unit to maintain accurate fuel level readings
• Helps avoid fuel system pressure loss and related drivability problems
• Replaces corroded or broken lock rings in older GM vehicles

Installation Notes and Tips

When installing the Dorman 55810 lock ring, ensure the gasket is properly seated to achieve a tight seal. Clean the fuel tank opening and sending unit flange before installation to remove debris or corrosion. Use appropriate tools to avoid damaging the lock ring or sending unit during installation. Since mounting hardware is not included, retain original fasteners or source replacements as needed.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and fitment. The 55810 Fuel Tank Sending Unit Lock Ring undergoes quality checks to ensure durability and proper sealing. Please refer to Dorman's warranty policy for coverage details on this part.