Dorman 577-373 Fuel Tank Filler Neck

Fuel Tank Filler Neck for Toyota Pickup

This Dorman fuel tank filler neck is a direct replacement for select 1989-1995 Toyota Pickup models. Built from steel with a black finish, it is engineered to match the original filler neck design for a reliable repair when the factory neck is leaking or corroded.

Part number 577-373 is made for gas applications and includes a vent line already attached for the specified vehicle fitment. It is a practical OE-style solution for Toyota Pickup fuel filler neck replacement needs.

Key Features

• Steel construction for fuel system durability
• Black finish for a factory-style appearance
• Vent line attached with 1 metal vent
• Designed for gasoline fuel systems
• Fill pipe inside diameter: 1.69 in.
• Length: 8 in.
• Package contents: fuel filler neck only

Detailed Description

Dorman 577-373 is a replacement fuel tank filler neck for 1989-1995 Toyota Pickup trucks. It is precision-engineered and tested to match the original filler neck dimensions and layout for the listed applications, helping restore proper fuel fill function and venting. This part cross-references Spectra Premium FN954 for the same application.

For Toyota Pickup fuel filler neck replacement, this steel assembly is built to address common wear points at the fuel inlet area while maintaining the correct vent configuration. If you are servicing a 1989-1995 Toyota Pickup with a leaking or damaged filler neck, 577-373 provides a direct-fit repair path.

Common Problems It Can Solve

• Fuel leaking around the filler neck
• Rust or corrosion at the fuel inlet tube
• Cracked or damaged neck from age and road exposure
• Fuel odor caused by a compromised filler assembly
• Vent-related fueling issues on the original neck

Installation Notes and Tips

Verify vehicle year and fuel system configuration before installation. Transfer any vehicle-specific connections as needed, and inspect the surrounding hoses, clamps, and mounting points for wear before reassembly. Because mounting hardware and a fuel cap are not included, reuse or replace those components separately if required by the vehicle.

Fits 1989-1995 Toyota Pickup, N/A.

Quality Assurance

Dorman designs this replacement filler neck to match the original part for the listed Toyota Pickup applications and subjects it to testing for fit and function. Part number 577-373 is built as an OE-style repair component for fuel storage service.