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Spectra GM20B Fuel Tank
| Brand | Spectra GM20B |
|---|---|
| Fits | Pontiac, Buick, Oldsmobile, and Cadillac · 53 vehicles |
OE direct replacement. Meets or exceeds original equipment performance.
Fuel tank engineered with advanced manufacturing and quality control.
Cross-references 1495, 1525 and 1563 for the same application. See all 15.
Spectra GM20B Fuel Tank Overview
The Spectra GM20B fuel tank is an OE-style replacement for select full-size GM and Cadillac applications from 1989-1997. It is built to match original equipment dimensions and fitment details for a direct replacement on supported vehicles.
- OE-style fuel tank replacement for select Buick, Cadillac, Oldsmobile, and Pontiac models
- Built with engineering and manufacturing controls aimed at meeting or exceeding original equipment performance
- Dimensions listed at 40-1/8 in. x 28-1/2 in. x 11-1/2 in. for the covered applications
- Lock ring kit included
- Fits applications with no hole on top of the tank for the pressure sensor where noted
Fitment Details
Compatible with 1989-1995 Buick LeSabre, 1991-1996 Buick Park Avenue, 1989-1993 Cadillac Commercial Chassis, 1989-1993 Cadillac DeVille, 1989-1992 Cadillac Fleetwood, 1993 Cadillac 60 Special, 1989-1991 Oldsmobile Delta 88, 1992-1995 Oldsmobile 88, 1989-1995 Oldsmobile 98, 1989-1995 Pontiac Bonneville, and 1996-1997 Pontiac Bonneville. The Spectra GM20B is also referenced by part number GM20B for these applications.
Common Replacement Uses
- Replacing a leaking or rusted fuel tank
- Restoring proper fuel storage capacity after tank damage
- Addressing fuel odor caused by tank corrosion or seepage
- Correcting fitment issues from a damaged original tank
- Replacing a tank that no longer seals properly at the lock ring area
Installation Notes
Verify tank dimensions, sender configuration, and pressure sensor hole requirements before installation. Confirm vehicle fitment by year, make, and model, especially on 1996-1997 Pontiac Bonneville and other listed GM platforms. Inspect related fuel system components, including straps, seals, and lines, before installing the replacement tank.
Quality Assurance
Spectra Premium fuel tanks are engineered and manufactured with quality control processes intended to match original equipment specifications for the listed applications. This part cross-references FLGM20B for the same application.
| Year | Make | Model | Body Type | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1997 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | 40-1/8 in. x 28-1/2 in. x 11-1/2 in.; Lock Ring Kit Included; w/o Hole On Top Of the Tank For Pressure Sensor |
| 1996 | Buick | Park Avenue | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1996 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | 40-1/8 in. x 28-1/2 in. x 11-1/2 in.; Lock Ring Kit Included; w/o Hole On Top Of the Tank For Pressure Sensor |
| 1995 | Buick | LeSabre | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1995 | Buick | Park Avenue | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1995 | Oldsmobile | 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1995 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1995 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1994 | Buick | LeSabre | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1994 | Buick | Park Avenue | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1994 | Oldsmobile | 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1994 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1994 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Buick | LeSabre | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Buick | Park Avenue | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Cadillac | 60 Special | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Cadillac | Commercial Chassis | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Cadillac | DeVille | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Oldsmobile | 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1993 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Buick | LeSabre | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Buick | Park Avenue | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Cadillac | Commercial Chassis | — | FWD | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Cadillac | DeVille | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Cadillac | Fleetwood | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Oldsmobile | 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1992 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Buick | LeSabre | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Buick | Park Avenue | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Cadillac | Commercial Chassis | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Cadillac | DeVille | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Cadillac | Fleetwood | — | — | 4.9L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Oldsmobile | Delta 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1991 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Buick | LeSabre | Sedan | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Buick | LeSabre | Coupe | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Cadillac | Commercial Chassis | — | — | 4.5L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Cadillac | DeVille | — | — | 4.5L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Cadillac | Fleetwood | — | — | 4.5L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Oldsmobile | Delta 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1990 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Buick | LeSabre | Sedan | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Buick | LeSabre | Coupe | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Cadillac | Commercial Chassis | — | — | 4.5L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Cadillac | DeVille | — | — | 4.5L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Cadillac | Fleetwood | — | — | 4.5L | V8 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Oldsmobile | 98 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Oldsmobile | Delta 88 | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
| 1989 | Pontiac | Bonneville | — | — | 3.8L | V6 | N/A | Fuel Tank - Dimensions: 40-1/8 in. x 28-1/2 in. x 11-1/2 in. with Lock Ring Kit Included |
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