Dorman 576-355 Fuel Tank

Replacement Fuel Tank for GM Applications

This Dorman fuel tank is a steel replacement for specified Buick Regal, Buick Century, Oldsmobile Cutlass, and Oldsmobile Cutlass Supreme applications. Part number 576-355 is built to match the original tank’s fit and function, with a 17-gallon capacity and an attached filler neck for direct replacement use.

Key Features

• Steel construction with gray painted coating
• 17-gallon fuel capacity
• Filler neck attached; filler neck length measures 11.8 inches
• Lock ring included; O-ring included in package contents
• Dimensions: 36.25 inches long, 24.25 inches wide, 8.88 inches high
• Sending unit not included
• Mounting straps not included
• Baffled sump and attached sump not included

Detailed Description

Dorman 576-355 is a replacement fuel tank engineered for direct fitment on select GM rear-wheel-drive cars, including Buick Regal, Buick Century, Oldsmobile Cutlass, and Oldsmobile Cutlass Supreme models listed below. The steel tank uses a painted finish for corrosion resistance and includes the filler neck already attached, which helps simplify replacement when servicing the fuel storage system. This part cross-references Spectra Premium GM308A and 22505822 for the same application.

Compatible With: Fits 1980-1987 Oldsmobile Cutlass Supreme, N/A, w/Filler Neck; Fits 1984 Buick Regal, N/A, w/Filler Neck; Fits 1982-1983 Buick Regal, N/A, w/Filler Neck; 17 Gallon Tank; Fits 1978-1981 Buick Century, N/A, w/Filler Neck; 17 Gallon Tank; Fits 1981 Buick Century, N/A, w/Filler Neck; Fits 1980-1981 Oldsmobile Cutlass, N/A, w/Filler Neck; 17 Gallon Tank; Fits 1980 Oldsmobile Cutlass, N/A, Fastback; w/Filler Neck; 17 Gallon Tank; Fits 1978-1980 Oldsmobile Cutlass Supreme, N/A, Fastback; w/Filler Neck.

What It Helps Fix

• Fuel tank leaks caused by rust, corrosion, or impact damage
• Fuel odor from a compromised tank shell or filler neck area
• Fuel delivery issues related to a damaged storage tank
• Failed inspection due to visible tank deterioration
• Replacement needs after tank removal during restoration or repair

Installation Notes and Tips

Verify vehicle year, make, model, body style, and filler-neck configuration before ordering. This tank does not include mounting straps or the sending unit, so reuse or source those components separately as needed. Confirm the lock ring and O-ring interface during installation, and inspect the fuel lines, venting, and surrounding hardware before reinstalling the tank. For best results, compare the original tank dimensions and filler neck layout to Dorman 576-355 before final fitment.

Quality Assurance

Dorman manufactures replacement parts to match original equipment fit and function for specified vehicles. Part number 576-355 is built as a direct replacement fuel tank for the listed Buick and Oldsmobile applications.