Dorman 579-068 Fuel Tank Sending Unit Lock Ring

Fuel Tank Sending Unit Lock Ring for OE Service

Dorman 579-068 is a fuel tank sending unit lock ring used to secure the fuel pump assembly to the tank lock during service. Built from durable rubber material, it is recommended for replacement whenever the sending unit is serviced to help maintain a secure seal and reliable retention.

Compatible with 1995-1997 Chrysler Sebring, 1995-1997 Dodge Avenger, 1995-1997 Mitsubishi Eclipse, 1995-1997 Mitsubishi Galant, 1995-1997 Mitsubishi Mirage, and 1995 Dodge Colt applications.

Key Features

• Fuel tank sending unit lock ring for securing the fuel pump assembly
• Rubber construction for dependable service in fuel system applications
• Inside diameter: 1.26 in
• Outside diameter / lock ring diameter: 2.72 in
• Gasket or seal included for service replacement
• Mounting hardware included for installation support
• Cross-reference part numbers: 4581239, LO68

Detailed Description

This Dorman fuel tank sending unit lock ring, part number 579-068, is made for fuel system service where the sending unit must be removed and reinstalled. It helps retain the fuel pump assembly at the tank opening and is sized with a 2.72-inch outside diameter and 1.26-inch inside diameter for the listed applications. The included seal and mounting hardware support a complete service replacement on vehicles such as the Mitsubishi Eclipse, Mitsubishi Galant, and Dodge Avenger.

Use 579-068 when servicing the sending unit on compatible Chrysler, Dodge, and Mitsubishi models to restore proper retention at the tank opening. This part cross-references 4581239 and LO68 for the same application.

What It Helps Fix

• Loose or improperly retained fuel pump sending unit
• Fuel tank service issues after pump or sender removal
• Seal-related concerns at the tank opening
• Retention problems caused by a worn or damaged lock ring
• Fitment concerns during fuel system reassembly on Mitsubishi Eclipse and Galant applications

Installation Notes and Tips

Replace the lock ring whenever the sending unit is serviced to help ensure proper retention during reassembly. Confirm the ring diameter and seal dimensions before installation, and inspect the tank opening and sender flange for wear or damage. Follow the vehicle service procedure for the Chrysler Sebring, Dodge Avenger, Mitsubishi Mirage, and other listed applications.

Quality Assurance

Dorman manufactures replacement hardware for automotive repair applications, and this lock ring is built from durable materials for reliable service in fuel tank maintenance.