Dorman 576-340 Fuel Tank

Dorman 576-340 Fuel Tank for GM Full-Size Sedans

This Dorman fuel tank is a steel replacement built to match the fit and function of the original tank on specified vehicles. It is a direct-fit fuel storage solution for 1996-1999 Buick LeSabre, 1996-1999 Oldsmobile 88, 1996-1999 Oldsmobile LSS, 1996-1999 Pontiac Bonneville, 1997-1998 Oldsmobile Regency, and 1996 Oldsmobile 98 applications.

Part number 576-340 is engineered for OE-style installation and includes the lock ring and O-ring needed for the tank opening. The tank features a baffled sump, painted steel construction, and an 18-gallon capacity.

Key Features

• Steel fuel tank with silver finish and painted coating
• 18-gallon capacity for the listed GM applications
• Baffled sump helps manage fuel movement inside the tank
• Lock ring included for the tank opening
• Package contents: fuel tank, lock ring, and O-ring
• Direct replacement for Dorman 576-340

Detailed Description

Dorman 576-340 is a replacement fuel tank designed to match the original fit and function on select Buick, Oldsmobile, and Pontiac sedans. It is built from steel and sized to the listed dimensions for proper vehicle-specific installation. This part cross-references Spectra Premium GM20D and OE number 25624842 for the same application.

For shoppers searching for a fuel tank for a 1996-1999 Buick LeSabre, fuel tank for a 1996-1999 Pontiac Bonneville, or a replacement fuel tank for a 1997-1998 Oldsmobile Regency, this part provides a direct-fit option with the correct tank opening hardware included. The baffled sump supports fuel control inside the tank during normal driving conditions.

What This Fuel Tank Helps Address

• Rusted or corroded original fuel tank
• Fuel leaks from a damaged tank shell
• Cracked or weakened tank housing
• Failed tank replacement after collision or age-related wear
• Fuel storage issues on the listed GM full-size sedan applications

Installation Notes and Tips

Verify vehicle fitment by year, make, and model before installation. This tank does not include mounting straps, sending unit, or filler neck attachment. Transfer or replace related fuel system components as needed during service, and confirm the lock ring and O-ring are seated correctly at the tank opening.

Quality Assurance

Dorman manufactures this replacement tank as an OE-style service part for the specified applications. The steel construction, included lock ring, and application-specific dimensions support a proper replacement for the original fuel tank on compatible Buick, Oldsmobile, and Pontiac vehicles.