Dorman 576-397 Fuel Tank

Dorman 576-397 Fuel Tank for GM Suburban

This Dorman fuel tank is a steel replacement for specified Chevrolet and GMC full-size SUVs. It is precision-engineered to match the fit and function of the original tank on 1992-1997 Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, and GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban applications.

• Steel construction with a painted silver finish
• 42-gallon capacity for the listed Suburban applications
• Baffled sump included for fuel control inside the tank
• Lock ring included
• Package contents: fuel tank, lock ring, and O-ring
• Part number 576-397 for direct reference in catalog and service lookup

Detailed Product Overview

Dorman 576-397 is built as a direct replacement fuel tank for GM Suburban models that use the 42-gallon tank configuration. The steel tank measures 29.75 inches long, 33.5 inches wide, and 13.13 inches high, with a painted coating and silver finish. It includes a baffled sump to help manage fuel movement in the tank, and it is supplied with the lock ring and O-ring needed for the tank opening. This part cross-references GM OE 15662735 and Spectra Premium GM43A for the same application.

What This Fuel Tank Helps Address

• Fuel tank corrosion or rust-through on aging Chevrolet Suburban and GMC Suburban vehicles
• Cracked, leaking, or damaged original fuel tank housings
• Fuel delivery issues caused by a compromised tank interior or sump area
• Fitment problems when replacing a worn 42-gallon tank on GM full-size SUVs
• Service needs on 1992-1997 Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, and GMC equivalents

Installation Notes and Tips

Verify the vehicle uses the 42-gallon tank configuration before installation. This fuel tank does not include mounting straps, sending unit, or filler neck attachment, so reuse or source those components as required by the vehicle setup. Confirm all sealing surfaces are clean before installing the included O-ring and lock ring, and inspect related fuel system parts while the tank is removed.

Quality Assurance

Dorman manufactures this replacement tank to match the original fit and function for the listed Chevrolet and GMC Suburban applications. The part is engineered for direct replacement use on the specified vehicles and is identified by part number 576-397.