Dorman 579-014 Fuel Tank Sending Unit Lock Ring

Fuel Tank Sending Unit Lock Ring for Toyota and More

The Dorman 579-014 fuel tank sending unit lock ring secures the fuel pump or sending unit 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 Toyota, Mitsubishi, Chevrolet, Hyundai, and Dodge applications.

Key Features

• Fuel tank sending unit lock ring for secure retention of the pump or sender assembly
• Durable rubber construction for dependable service
• Gasket or seal included for service replacement
• Inside diameter: 3.25 in; outside diameter: 3.75 in
• Lock ring diameter: 1.75 in
• Direct replacement part number 579-014

Detailed Description

Dorman 579-014 is a fuel tank sending unit lock ring used to retain the fuel pump assembly at the tank opening after service. It is a fitment-based replacement for applications including 1984-1995 Toyota 4Runner, 1984-1995 Toyota Pickup, 1980-1987 Toyota Corolla, 1983-1990 Toyota Tercel, and 1979-1984 Toyota Land Cruiser, along with select Mitsubishi, Chevrolet, Hyundai, and Dodge models. This part cross-references Spectra Premium LO14 for the same application.

For buyers searching for a Toyota 4Runner fuel tank sending unit lock ring, Toyota Pickup sending unit lock ring, or Dorman 579-014 fuel pump lock ring, this part provides the retaining hardware needed during tank service. The rubber material and included seal support a proper service replacement where the original ring has worn, distorted, or been removed during repair.

What It Is Used For

• Replacing a damaged or corroded fuel tank sending unit lock ring
• Securing the fuel pump or sending unit assembly after tank service
• Restoring a proper seal at the tank opening
• Addressing fuel odor or seepage caused by a worn retaining ring or seal
• Completing service on Toyota 4Runner, Toyota Pickup, Toyota Corolla, and related applications

Installation Notes and Tips

Verify the tank opening diameter and sender style before installation. Clean the sealing surface thoroughly, inspect the sender flange for damage, and confirm the gasket or seal seats evenly before tightening the lock ring. Use the vehicle service procedure for the specific Toyota, Mitsubishi, Chevrolet, Hyundai, or Dodge application to avoid over-tightening or misalignment.

Quality Assurance

Dorman manufactures replacement hardware for fuel system service with application-specific dimensions and materials. Part number 579-014 is built for service replacement use on listed vehicles and is backed by Dorman product engineering standards.