HomeAir and Fuel Delivery > Fuel StorageSpectra GM20A Fuel Tank
Part #: GM20A

Spectra GM20A Fuel Tank

⚙️ 33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Oldsmobile, and Pontiac, Electra, LeSabre, Commercial Chassis, DeVille, Fleetwood, 98, Delta 88, and Bonneville
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Reliable Fuel Tank Replacement for Classic GM Vehicles

The Spectra GM20A fuel tank is designed to provide a dependable fuel storage solution for select Buick, Cadillac, Oldsmobile, and Pontiac models. Engineered to meet OEM specifications, this fuel tank ensures proper fitment and function for vehicles like the Buick LeSabre and Pontiac Bonneville.

  • Compatible with Buick 98, LeSabre, and Delta 88 models
  • Fits Cadillac DeVille and Fleetwood vehicles
  • Designed for Oldsmobile Commercial Chassis applications
  • Also suitable for Pontiac Bonneville and other specified models
  • Manufactured by Spectra for consistent quality and durability

Product Details and Compatibility

The Spectra GM20A fuel tank is crafted to match the original equipment dimensions and mounting points for a seamless installation. This fuel tank supports proper fuel storage and delivery for a range of GM vehicles, including the Cadillac DeVille and Buick Delta 88. Its construction ensures resistance to corrosion and wear, maintaining fuel integrity over time. The GM20A part number corresponds to a direct replacement fuel tank compatible with multiple GM makes and models, including the Oldsmobile Commercial Chassis and Pontiac Bonneville.

Common Applications and Problem Resolution

  • Replacement for leaking or damaged fuel tanks in Buick LeSabre and 98 models
  • Solves fuel contamination issues caused by rust or corrosion
  • Addresses fuel delivery interruptions in Cadillac Fleetwood and DeVille vehicles
  • Restores proper fuel storage capacity for Oldsmobile Commercial Chassis
  • Eliminates fuel odors and potential safety hazards in Pontiac Bonneville

Installation Notes and Tips

  • Ensure vehicle is safely supported and fuel system depressurized before removal
  • Verify compatibility with specific model year and chassis prior to installation
  • Inspect fuel lines and connections for wear during replacement
  • Use OEM or equivalent hardware for secure mounting
  • Test for leaks after installation and before vehicle operation

Quality Assurance and Warranty Information

Manufactured by Spectra, the GM20A fuel tank undergoes rigorous quality control to meet industry standards. While specific warranty details may vary, Spectra products typically include coverage against manufacturing defects. Confirm warranty terms with the product documentation or supplier to ensure coverage.

This part fits 33 vehicles. Search below:

YearMakeModelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
1988BuickLeSabreSedan3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988BuickLeSabreCoupe3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988CadillacCommercial Chassis4.5LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988CadillacDeVille4.5LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988CadillacFleetwood4.5LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988Oldsmobile983.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988OldsmobileDelta 883.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1988PontiacBonneville3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987BuickLeSabreSedan3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987BuickLeSabreCoupe3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987CadillacCommercial Chassis4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987CadillacDeVille4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987CadillacFleetwood4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987Oldsmobile983.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987OldsmobileDelta 883.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1987PontiacBonneville3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986BuickLeSabreSedan3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986BuickLeSabreCoupe3.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986BuickLeSabreSedan3.0LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986BuickLeSabreCoupe3.0LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986CadillacCommercial Chassis4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986CadillacDeVille4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986CadillacFleetwoodFWD4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986Oldsmobile983.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986OldsmobileDelta 883.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1986OldsmobileDelta 883.0LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985CadillacCommercial ChassisFWD4.1LV8GASN/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985CadillacDeVille4.3LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985CadillacDeVille4.1LV8N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985CadillacFleetwoodFWD4.1LV8GASN/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985Oldsmobile984.3LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985Oldsmobile983.8LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included
1985Oldsmobile983.0LV6N/AFuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

138825635148576337FLGM20AFT544KGM20ARGM20ATNKGM20A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.