Dorman 576-373 Fuel Tank

Replacement Fuel Tank for GM Full-Size Classics

This Dorman fuel tank is a steel replacement for specified Cadillac, Chevrolet, Buick, Oldsmobile, and Pontiac applications. Part number 576-373 is built to match the original tank’s fit and function on vehicles that use a 24-gallon tank without a filler neck attached.

Key Features

• Steel construction with a gray painted fuel tank coating
• 24-gallon capacity for original-style fuel storage
• Lock ring included
• Package contents: fuel tank, lock ring, and O-ring
• Direct replacement for specified GM full-size rear fuel tank applications

Detailed Description

Dorman 576-373 is a replacement fuel tank engineered for the original mounting and fuel storage requirements of select Cadillac Brougham, Cadillac DeVille, Cadillac Fleetwood, Chevrolet Caprice, Chevrolet Impala, Buick LeSabre, Buick Riviera, Oldsmobile Delta 88, Oldsmobile 98, Pontiac Bonneville, Pontiac Catalina, and Pontiac Parisienne models. It is a steel tank with a painted finish, 24-gallon capacity, and no attached filler neck, making it a practical choice for restoring a leaking, rusted, or damaged factory tank. This part cross-references GM 22511383 and Spectra Premium GM4A for the same application. Part number 576-373 is a direct-fit fuel tank solution for select 1977-1990 GM full-size vehicles.

What This Fuel Tank Helps Address

• Fuel leaks caused by corrosion or tank damage
• Rust-through in an original steel fuel tank
• Cracked or weakened tank seams
• Fuel storage issues on vehicles requiring a 24-gallon tank without a filler neck
• Restoration needs for classic Cadillac, Chevrolet, Buick, Oldsmobile, and Pontiac models

Installation Notes and Tips

Compatible With 1987-1990 Cadillac Brougham, N/A; 1980-1988 Chevrolet Caprice, N/A; 1986 Cadillac Fleetwood, N/A; 1977-1982 Cadillac Fleetwood, N/A; 1983-1986 Pontiac Parisienne, N/A; 1977-1985 Buick LeSabre, N/A; 1980-1985 Chevrolet Impala, N/A; 1977-1985 Oldsmobile Delta 88, N/A; 1977-1984 Oldsmobile 98, N/A; 1977-1982 Cadillac DeVille, N/A; 1980-1981 Pontiac Bonneville, N/A; 1980-1981 Pontiac Catalina, N/A; and 1977-1978 Buick Riviera, N/A. Mounting straps are not included, and the sending unit and filler neck are not included. Verify the vehicle’s tank configuration and transfer or replace related components as needed during service.

Quality Assurance

This Dorman replacement fuel tank is precision-engineered to match the fit and function of the original tank on the listed vehicles. It is built for application-specific replacement use on classic GM platforms where correct tank dimensions and fuel system layout matter.