Dorman 576-313 Fuel Tank

Fuel Tank for Chevrolet and GMC Trucks

This Dorman fuel tank is a steel replacement for specified Chevrolet and GMC applications, built to match original fit and function. It is a direct-fit option for 1987-1991 Chevrolet Blazer, 1987-1991 GMC Jimmy, and select Suburban models that use the 31-gallon tank configuration.

Key Features

• Steel construction with gray painted coating
• 31-gallon capacity for listed applications
• Filler neck attached with 7-inch filler neck length
• Baffled sump included for fuel control
• Lock ring and O-ring included
• Fuel tank dimensions: 28.75 in. length, 28.125 in. width, 12.75 in. height
• Direct replacement for Dorman 576-313

Detailed Description

Dorman 576-313 is a replacement fuel tank engineered to match the fit and function of the original tank on specified Chevrolet and GMC vehicles. It is built from steel, finished in gray paint, and includes a baffled sump to support stable fuel delivery in the applications listed. The attached filler neck and included lock ring and O-ring help simplify service on vehicles such as the Chevrolet Blazer, GMC Jimmy, and 31-gallon Suburban configurations.

This part cross-references Spectra Premium GM14C and OE number 15615624 for the same application.

Vehicle Fitment

• Fits 1988-1991 Chevrolet Blazer, N/A
• Fits 1989-1991 Chevrolet R1500 Suburban, N/A, 31 Gallon Tank
• Fits 1989-1991 Chevrolet R2500 Suburban, N/A, 31 Gallon Tank
• Fits 1989-1991 Chevrolet V1500 Suburban, N/A, 31 Gallon Tank
• Fits 1989-1991 Chevrolet V2500 Suburban, N/A, 31 Gallon Tank
• Fits 1988-1991 GMC Jimmy, N/A
• Fits 1987-1991 GMC R1500 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1991 GMC R2500 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1991 GMC V1500 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1991 GMC V2500 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1988 Chevrolet R10 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1988 Chevrolet R20 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1988 Chevrolet V10 Suburban, N/A, 31 Gallon Tank
• Fits 1987-1988 Chevrolet V20 Suburban, N/A, 31 Gallon Tank
• Fits 1987 Chevrolet Blazer, N/A, 31 Gallon Tank
• Fits 1987 GMC Jimmy, N/A, 31 Gallon Tank

Common Issues This Part Addresses

• Corrosion or rust in the original fuel tank
• Fuel leaks caused by tank damage or deterioration
• Fuel delivery problems related to a damaged baffled sump area
• Fitment issues when replacing a worn 31-gallon tank on listed Chevrolet and GMC models
• Service delays from a missing or damaged filler neck assembly

Installation Notes and Tips

Verify the vehicle’s tank configuration before installation, including the 31-gallon application where noted. This fuel tank does not include mounting straps or a sending unit, so reuse or replace those components as needed during service. Confirm the filler neck, lock ring, and O-ring are seated correctly and inspect all fuel system connections for wear before returning the vehicle to service.

Quality Assurance

Dorman designs this replacement tank to match original equipment fit and function for the listed Chevrolet and GMC applications. The steel construction, coated finish, and application-specific dimensions support a direct replacement approach for service on classic Blazer, Jimmy, and Suburban fuel systems.