
Dorman 576-377 Fuel Tank
Dorman 576-377 Fuel Tank for GM Full-Size Cars
This Dorman fuel tank is a steel replacement built to match the fit and function of the original tank on specified vehicles. It is designed for 22-gallon applications with an attached filler neck, making it a direct-service option for classic Buick, Chevrolet, Oldsmobile, and Pontiac platforms.
- Steel construction with a silver finish and painted fuel tank coating
- 22-gallon capacity for original-style fuel storage
- Filler neck attached; filler neck length measures 27.5 inches
- Lock ring included; O-ring included in package contents
- Tank dimensions: 38.5 inches long, 25 inches wide, 10.75 inches high
- Sending unit not included
- Mounting straps not included
OE-Style Replacement Fitment
Built for direct replacement service, this tank follows the original layout for vehicles that use a 22-gallon tank with filler neck. It fits 1985-1990 Buick LeSabre, 1977-1990 Chevrolet Caprice, 1977-1990 Oldsmobile Custom Cruiser, 1987-1989 Pontiac Safari, 1983-1986 Pontiac Parisienne, 1977-1982 Chevrolet Impala, 1977-1981 Pontiac Bonneville, and 1977-1981 Pontiac Catalina. The Dorman 576-377 is also cross-referenced to part number 22527443 and Spectra Premium GM505 for the same application.
Common Problems This Tank Addresses
- Corrosion or rust damage in the original fuel tank
- Fuel leaks caused by a compromised tank shell
- Fitment issues when replacing a tank with the wrong filler-neck configuration
- Restoration needs for full-size GM vehicles with a 22-gallon tank
- Service replacement for tanks that no longer hold fuel safely
Installation Notes
Verify the vehicle uses a 22-gallon tank with an attached filler neck before installation. Transfer the sending unit from the original tank if needed, since it is not included. Confirm strap condition and hardware compatibility during removal, as mounting straps are not included. The included lock ring and O-ring support fuel system reassembly at the filler or sending-unit opening as applicable.
Quality Assurance
Dorman engineers this replacement tank to match original fit and function on the listed applications. The steel construction and OE-style dimensions support a direct-service replacement for classic Buick, Chevrolet, Oldsmobile, and Pontiac fuel tank service.
Dorman 576-377 Fuel Tank
Dorman 576-377 Fuel Tank for GM Full-Size Cars
This Dorman fuel tank is a steel replacement built to match the fit and function of the original tank on specified vehicles. It is designed for 22-gallon applications with an attached filler neck, making it a direct-service option for classic Buick, Chevrolet, Oldsmobile, and Pontiac platforms.
- Steel construction with a silver finish and painted fuel tank coating
- 22-gallon capacity for original-style fuel storage
- Filler neck attached; filler neck length measures 27.5 inches
- Lock ring included; O-ring included in package contents
- Tank dimensions: 38.5 inches long, 25 inches wide, 10.75 inches high
- Sending unit not included
- Mounting straps not included
OE-Style Replacement Fitment
Built for direct replacement service, this tank follows the original layout for vehicles that use a 22-gallon tank with filler neck. It fits 1985-1990 Buick LeSabre, 1977-1990 Chevrolet Caprice, 1977-1990 Oldsmobile Custom Cruiser, 1987-1989 Pontiac Safari, 1983-1986 Pontiac Parisienne, 1977-1982 Chevrolet Impala, 1977-1981 Pontiac Bonneville, and 1977-1981 Pontiac Catalina. The Dorman 576-377 is also cross-referenced to part number 22527443 and Spectra Premium GM505 for the same application.
Common Problems This Tank Addresses
- Corrosion or rust damage in the original fuel tank
- Fuel leaks caused by a compromised tank shell
- Fitment issues when replacing a tank with the wrong filler-neck configuration
- Restoration needs for full-size GM vehicles with a 22-gallon tank
- Service replacement for tanks that no longer hold fuel safely
Installation Notes
Verify the vehicle uses a 22-gallon tank with an attached filler neck before installation. Transfer the sending unit from the original tank if needed, since it is not included. Confirm strap condition and hardware compatibility during removal, as mounting straps are not included. The included lock ring and O-ring support fuel system reassembly at the filler or sending-unit opening as applicable.
Quality Assurance
Dorman engineers this replacement tank to match original fit and function on the listed applications. The steel construction and OE-style dimensions support a direct-service replacement for classic Buick, Chevrolet, Oldsmobile, and Pontiac fuel tank service.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 576-377 Fuel Tank for GM Full-Size Cars
This Dorman fuel tank is a steel replacement built to match the fit and function of the original tank on specified vehicles. It is designed for 22-gallon applications with an attached filler neck, making it a direct-service option for classic Buick, Chevrolet, Oldsmobile, and Pontiac platforms.
- Steel construction with a silver finish and painted fuel tank coating
- 22-gallon capacity for original-style fuel storage
- Filler neck attached; filler neck length measures 27.5 inches
- Lock ring included; O-ring included in package contents
- Tank dimensions: 38.5 inches long, 25 inches wide, 10.75 inches high
- Sending unit not included
- Mounting straps not included
OE-Style Replacement Fitment
Built for direct replacement service, this tank follows the original layout for vehicles that use a 22-gallon tank with filler neck. It fits 1985-1990 Buick LeSabre, 1977-1990 Chevrolet Caprice, 1977-1990 Oldsmobile Custom Cruiser, 1987-1989 Pontiac Safari, 1983-1986 Pontiac Parisienne, 1977-1982 Chevrolet Impala, 1977-1981 Pontiac Bonneville, and 1977-1981 Pontiac Catalina. The Dorman 576-377 is also cross-referenced to part number 22527443 and Spectra Premium GM505 for the same application.
Common Problems This Tank Addresses
- Corrosion or rust damage in the original fuel tank
- Fuel leaks caused by a compromised tank shell
- Fitment issues when replacing a tank with the wrong filler-neck configuration
- Restoration needs for full-size GM vehicles with a 22-gallon tank
- Service replacement for tanks that no longer hold fuel safely
Installation Notes
Verify the vehicle uses a 22-gallon tank with an attached filler neck before installation. Transfer the sending unit from the original tank if needed, since it is not included. Confirm strap condition and hardware compatibility during removal, as mounting straps are not included. The included lock ring and O-ring support fuel system reassembly at the filler or sending-unit opening as applicable.
Quality Assurance
Dorman engineers this replacement tank to match original fit and function on the listed applications. The steel construction and OE-style dimensions support a direct-service replacement for classic Buick, Chevrolet, Oldsmobile, and Pontiac fuel tank service.












