Dorman 579-118 Fuel Tank Sending Unit Lock Ring

Fuel Tank Sending Unit Lock Ring for Acura and Honda

Dorman 579-118 is a fuel tank sending unit lock ring made to secure the fuel pump assembly to the tank opening. Built from durable rubber and supplied with a gasket or seal, it is a practical replacement when servicing the sending unit on select Acura CL, Acura TL, and Honda Accord models.

Key Features

• Fuel tank sending unit lock ring for secure fuel pump retention
• Rubber construction for dependable service in fuel system applications
• Includes gasket or seal for service replacement
• Mounting hardware included as listed in the product specifications
• Direct-fit application coverage for select Acura and Honda vehicles
• Part number 579-118 for easy identification

Detailed Description

Dorman 579-118 is a replacement fuel pump lock ring used to retain the sending unit and fuel pump assembly at the tank opening. The ring measures 6 inches in outside diameter with a 3.62-inch inside diameter, matching the service requirements for the listed applications. This part cross-references Spectra Premium LO118 for the same application. It fits 1998-1999 Acura CL, 2001-2003 Acura CL, 1998-2003 Acura TL, and 1998-2002 Honda Accord, making it a direct service part for fuel tank sending unit repairs on these vehicles. The Dorman 579-118 lock ring is a straightforward replacement choice when the original retaining ring is worn, damaged, or no longer holds the assembly securely.

Common Service Issues

• Loose or damaged fuel pump retaining ring
• Fuel tank sending unit service after pump replacement
• Worn seal at the tank opening
• Improper retention of the fuel pump assembly
• Corrosion or deterioration of the original lock ring

Installation Notes

Verify the tank opening diameter and sending unit style before installation. Clean the sealing surface thoroughly, inspect the gasket or seal, and confirm the lock ring seats evenly before returning the vehicle to service. This part is used on fuel system components, so follow proper safety procedures and relieve fuel system pressure before beginning work.

Quality Assurance

Dorman manufactures replacement hardware for service applications where fit and function matter. Part number 579-118 is built for reliable retention of the fuel pump assembly during sending unit service on the listed Acura and Honda models.