Dorman 576-391 Fuel Tank

OE-Style Fuel Tank for GM Vans

Dorman 576-391 is a replacement fuel tank engineered to match the fit and function of the original tank on specified Chevrolet and GMC vans. Built from steel with a painted gray finish, it supports direct replacement service for 1977-1982 Chevrolet G10, G20, and G30, plus 1977-1982 GMC G15, G25, G35 and 1979-1982 GMC G1500, G2500, and G3500 applications.

This Dorman 576-391 fuel tank includes a lock ring and O-ring for the tank opening. It is a 22-gallon steel tank with a 31-inch length, 22-inch width, and 12.38-inch height, and it does not include a sending unit, filler neck, or mounting straps.

Key Features

• Steel construction for fuel storage service
• 22-gallon capacity
• Painted gray tank coating
• Lock ring included
• Package contents: fuel tank, lock ring, and O-ring
• Direct replacement for select Chevrolet G10, G20, G30 and GMC G15, G25, G35, G1500, G2500, and G3500 vans

Detailed Description

Built for fuel storage replacement on classic GM vans, this tank follows the original fit and function expected from an OE-style service part. Dorman 576-391 is shaped for the specified Chevrolet and GMC van platforms and is a practical choice when the original tank is rusted, leaking, or no longer sealing properly. The steel body and painted coating provide a service-ready replacement for vehicles that need a tank matched to the factory layout.

This part cross-references Spectra Premium GM8A and 375312 for the same application. For buyers searching for a 1977-1982 Chevrolet G10 fuel tank, 1977-1982 Chevrolet G20 fuel tank, or 1979-1982 GMC G2500 fuel tank, Dorman 576-391 is the direct replacement reference to review.

What It Helps Solve

• Fuel tank leaks from corrosion or damage
• Rust-related contamination in the fuel storage system
• Failed tank sealing at the lock ring and O-ring area
• Replacement needs after impact or underbody deterioration
• Restoration work on Chevrolet G10/G20/G30 and GMC G15/G25/G35 vans

Installation Notes and Tips

Verify vehicle year, make, model, and tank configuration before installation. This tank does not include a sending unit, filler neck, or mounting straps, so reuse or source those components separately as needed. Confirm the lock ring and O-ring are seated correctly during assembly, and inspect the surrounding fuel lines, venting, and mounting points before placing the tank into service.

Quality Assurance

Dorman replacement fuel tanks are engineered to match original fit and function on specified vehicles. Dorman 576-391 is built as a direct replacement for select Chevrolet and GMC van applications, with dimensions and included sealing components listed to support accurate parts selection.