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Part #: GM36

Spectra GM36 Fuel Tank

33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, and Oldsmobile, Eldorado, Reatta, Riviera, Seville, and Toronado
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Spectra GM36 Fuel Tank for OE-Style Replacement

The Spectra GM36 fuel tank is a direct replacement fuel storage component for select GM vehicles from 1986-1993. It is built with engineering, manufacturing, and quality control processes aimed at matching or exceeding original equipment performance.

  • Fuel tank replacement for select Buick, Cadillac, and Oldsmobile applications
  • OE-style fitment for factory fuel storage service
  • Built to meet or exceed original equipment performance targets
  • Cross-references FEL-PRO 1468 and OSC 1394 for the same application

Vehicle Fitment

  • Fits 1986-1993 Buick Riviera, N/A; 42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
  • Fits 1988-1991 Buick Reatta, N/A; 42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
  • Fits 1986-1992 Cadillac Eldorado, N/A; 42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
  • Fits 1986-1992 Cadillac Seville, N/A; 42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
  • Fits 1986-1992 Oldsmobile Toronado, N/A; 42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included

Detailed Description

GM36 is a Spectra fuel tank replacement for classic GM front-wheel-drive platforms, including Buick Riviera, Buick Reatta, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado applications. If you are searching for a fuel tank for a 1986-1993 Buick Riviera or a 1986-1992 Cadillac Eldorado fuel tank replacement, this part number provides the correct OE-style service solution for the listed vehicles.

The Spectra GM36 is engineered for consistent fit and function in fuel storage service. Its application coverage and dimensional notes help confirm the correct tank for the vehicle before installation, making it a practical choice for restoring fuel system integrity on these models.

What This Fuel Tank Helps Address

  • Fuel leaks caused by a damaged or corroded tank
  • Rust contamination inside the fuel storage system
  • Fuel odor from a compromised tank shell
  • Failed inspection due to visible tank deterioration
  • Fuel delivery issues related to tank condition

Installation Notes and Tips

Verify the tank dimensions and vehicle application before installation. Confirm the fuel system layout on the vehicle and inspect related components such as straps, sending unit sealing surfaces, and fuel lines during replacement. Follow factory service procedures for safe fuel system handling.

Quality Assurance

Spectra Premium fuel tanks are produced with engineering, manufacturing technology, and quality control processes intended to meet or exceed original equipment performance for the applications they replace.

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1992BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1992CadillacEldorado4.9LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1992CadillacSeville4.9LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1992OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1991BuickReatta3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1991BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1991CadillacEldorado4.9LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1991CadillacSeville4.9LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1991OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1990BuickReatta3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1990BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1990CadillacEldorado4.5LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1990CadillacSeville4.5LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1990OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1989BuickReatta3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1989BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1989CadillacEldorado4.5LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1989CadillacSeville4.5LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1989OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1988BuickReatta3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1988BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1988CadillacEldorado4.5LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1988CadillacSeville4.5LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1988OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1987BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1987CadillacEldorado4.1LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1987CadillacSeville4.1LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1987OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1986BuickRiviera3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1986CadillacEldorado4.1LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1986CadillacSeville4.1LV8N/A42 in. x 28-1/2 in. x 8-5/8 in.; Lock Ring Kit Included
1986OldsmobileToronado3.8LV6N/A42 in. x 28-1/2 in. x 8-5/8 in.; 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:

1394146816430631643064576360FLGM36FT5123IGM36KGM36RGM36TNKGM36

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