Dorman 577-255 Fuel Filler Neck

Fuel Tank Filler Neck for Mitsubishi Lancer

This Dorman fuel tank filler neck is a direct replacement for select 2002-2003 Mitsubishi Lancer models. Built from steel and engineered to match the original filler neck design, it addresses leaking fuel filler neck concerns with a repair-focused fit.

Key Features

• Steel construction for fuel system durability
• Precision-engineered to match the original filler neck shape and dimensions
• Fill pipe inside diameter: 30.3
• Length: 1.5
• Fuel cap not included
• Compatible with 2002-2003 Mitsubishi Lancer, N/A

Detailed Description

Dorman Part Number 577-255 is a replacement fuel tank filler neck for 2002-2003 Mitsubishi Lancer applications. It is designed to restore the connection between the fuel door area and the tank inlet when the original neck is corroded, cracked, or leaking. This steel filler neck is built to match the OE-style layout for a reliable repair on Mitsubishi Lancer fuel storage systems. This part cross-references Mitsubishi (e.g., MR503891) for the same application.

What It Helps Fix

• Fuel odor caused by a leaking filler neck
• Visible rust or corrosion at the fuel fill tube
• Cracks or separation in the original neck assembly
• Fuel seepage during refueling
• Improper sealing at the tank fill connection

Installation Notes and Tips

Verify vehicle year and model before installation. Compare the original filler neck to the replacement to confirm routing, mounting points, and fill pipe diameter match the vehicle. Inspect surrounding hoses, clamps, and seals during service so the repaired fuel system can be reassembled cleanly. Professional installation is recommended for fuel system repairs.

Quality Assurance

Dorman tests this replacement filler neck to match the original part for specific vehicle applications. Part Number 577-255 is built for direct-fit repair use on select Mitsubishi Lancer models.