Dorman 576-321 Fuel Tank

Brand Dorman 576-321
Material Steel
Capacity 25
Length 28.75
Color Gray
Width 28.125
Height 10.75
Lock Ring Included Yes
Filler Neck Length 5.9
Mounting Straps Included No
Sending Unit Included No
Filler Neck Attached Yes
Fuel Tank Coating Paint
Baffled Sump Yes
Attached Sump No
Package Contents Fuel tank ; lock ring; o ring
Fits Chevrolet and GMC · 9 vehicles

OE direct replacement. Precision-engineered to match original fit and function.

Steel construction. Paint coating helps resist corrosion and wear.

Baffled sump. Helps keep fuel controlled during movement.

Cross-references Spectra Premium GM15C and 15548961 for the same application. See all 2.

$171.88Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Replacement Fuel Tank for 1987 GM Trucks

This Dorman fuel tank is a direct replacement for specified 1987 Chevrolet and GMC applications, including Blazer, Jimmy, and Suburban models. Built from steel with a 25-gallon capacity, it is engineered to match the original tank’s fit and function for service replacement.

  • Steel construction for OE-style fuel storage
  • 25-gallon capacity for listed 1987 applications
  • Gray finish with painted fuel tank coating
  • Filler neck attached with 5.9 in. filler neck length
  • Lock ring included; O-ring included
  • Baffled sump for fuel control
  • Sending unit not included
  • Mounting straps not included

Fitment Details

Compatible with 1987 Chevrolet Blazer, 25 Gallon Tank; 1987 Chevrolet R10 Suburban, 25 Gallon Tank; 1987 Chevrolet R20 Suburban, 25 Gallon Tank; 1987 Chevrolet V10 Suburban, 25 Gallon Tank; 1987 Chevrolet V20 Suburban, 25 Gallon Tank; 1987 GMC Jimmy, 25 Gallon Tank; 1987 GMC R1500 Suburban, 25 Gallon Tank; 1987 GMC R2500 Suburban, 25 Gallon Tank; and 1987 GMC V1500 Suburban, 25 Gallon Tank.

This part cross-references GM 15548961 and Spectra Premium GM15C for the same application.

What This Fuel Tank Helps Address

  • Fuel leaks caused by corrosion or tank damage
  • Rust contamination inside an aging steel tank
  • Poor fuel storage from a worn or compromised original tank
  • Fitment issues when replacing a damaged OE tank on 1987 Chevrolet Blazer and GMC Jimmy models
  • Service replacement needs for 1987 Chevrolet and GMC Suburban fuel systems

Installation Notes and Tips

Verify the vehicle’s 25-gallon tank configuration before installation. Transfer or source the sending unit separately, since it is not included. Mounting straps are also not included, so inspect the existing straps and related hardware for wear before reassembly. Confirm the filler neck and lock ring/O-ring interface during installation to help ensure a proper seal.

Quality Assurance

Dorman replacement fuel tanks are engineered to match the fit and function of the original tank on specified vehicles. Part number 576-321 is built for direct replacement use on listed 1987 Chevrolet and GMC applications.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelFuel TypeNotes
1987ChevroletBlazerGAS25 Gallon Tank
1987ChevroletR10 SuburbanGAS25 Gallon Tank
1987ChevroletR20 SuburbanGAS25 Gallon Tank
1987ChevroletV10 SuburbanGAS25 Gallon Tank
1987ChevroletV20 SuburbanGAS25 Gallon Tank
1987GMCJimmyGAS25 Gallon Tank
1987GMCR1500 SuburbanGAS25 Gallon Tank
1987GMCR2500 SuburbanGAS25 Gallon Tank
1987GMCV1500 SuburbanGAS25 Gallon Tank
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — GM15C15548961