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Spectra ST66 Fuel Tank Strap
| Brand | Spectra ST66 |
|---|---|
| Fits | Buick, Chevrolet, Oldsmobile, and Pontiac · 112 vehicles |
OE direct replacement. Meets or exceeds original equipment performance.
Fuel tank strap. Replacement strap for secure fuel tank support.
Cross-references 4040231, IST66 and TNKST66 for the same application. See all 3.
$52.18Free shipping
In stock · usually ships same day before 1pm CST
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Spectra ST66 Fuel Tank Strap
The Spectra ST66 fuel tank strap is an OE-style replacement for select GM A-body and G-body applications. It is built for drivers restoring secure fuel tank retention on classic Buick, Chevrolet, Oldsmobile, and Pontiac models.
- Fuel tank strap for direct replacement service
- Engineered to meet or exceed original equipment performance
- Manufactured with controlled quality processes for consistent fit and function
- Fits 1982-1983 Buick Regal, N/A
- Fits 1978-1983 Chevrolet Malibu, N/A
- Fits 1980-1983 Oldsmobile Cutlass Cruiser, N/A
- Fits 1982-1983 Pontiac Bonneville, N/A
- Fits 1978-1981 Buick Century, N/A
- Fits 1978-1981 Pontiac Grand LeMans, N/A
- Fits 1978-1981 Pontiac LeMans, N/A
- Fits 1978-1979 Oldsmobile Cutlass, N/A
Detailed Fitment and Application
Built for fuel storage service, the Spectra ST66 is a replacement strap for securing the fuel tank on compatible Buick Regal, Chevrolet Malibu, and Pontiac LeMans applications, along with additional listed GM models. The ST66 part number is also referenced by 4040231, IST66, and TNKST66 for the same application.
Common Problems This Part Addresses
- Loose or sagging fuel tank support
- Corrosion-damaged original strap
- Broken or weakened tank retention hardware
- Fuel tank movement caused by failed support straps
- Service replacement during fuel tank repair or restoration
Installation Notes and Tips
Verify the vehicle year, make, and model against the listed fitment before installation. Inspect the tank mounting points and surrounding underbody area for rust, deformation, or damage that could affect strap seating. Confirm the strap aligns correctly with the fuel tank and chassis mounting locations during service.
Quality Assurance
Spectra Premium states that its engineering, manufacturing technology, and quality control processes are used to produce fuel tank straps that meet or exceed original equipment performance for the applications they replace.
This part fits 112 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1983 | Buick | Regal | Wagon | 5.7L | V8 | — | N/A | — |
| 1983 | Buick | Regal | Wagon | 4.1L | V6 | — | N/A | — |
| 1983 | Buick | Regal | Wagon | 3.8L | V6 | — | N/A | — |
| 1983 | Chevrolet | Malibu | Wagon | 5.7L | V8 | — | N/A | — |
| 1983 | Chevrolet | Malibu | Wagon | 5.0L | V8 | — | N/A | — |
| 1983 | Chevrolet | Malibu | Wagon | 4.3L | V6 | — | N/A | — |
| 1983 | Chevrolet | Malibu | Wagon | 3.8L | V6 | — | N/A | — |
| 1983 | Oldsmobile | Cutlass Cruiser | Wagon | 5.7L | V8 | DIESEL | N/A | — |
| 1983 | Oldsmobile | Cutlass Cruiser | Wagon | 5.0L | V8 | GAS | N/A | — |
| 1983 | Oldsmobile | Cutlass Cruiser | Wagon | 3.8L | V6 | GAS | N/A | — |
| 1983 | Pontiac | Bonneville | Wagon | 5.7L | V8 | — | N/A | — |
| 1983 | Pontiac | Bonneville | Wagon | 5.0L | V8 | — | N/A | — |
| 1983 | Pontiac | Bonneville | Wagon | 3.8L | V6 | — | N/A | — |
| 1982 | Buick | Regal | Wagon | 5.7L | V8 | — | N/A | — |
| 1982 | Buick | Regal | Wagon | 5.0L | V8 | — | N/A | — |
| 1982 | Buick | Regal | Wagon | 4.1L | V6 | — | N/A | — |
| 1982 | Buick | Regal | Wagon | 3.8L | V6 | — | N/A | — |
| 1982 | Chevrolet | Malibu | Wagon | 5.7L | V8 | — | N/A | — |
| 1982 | Chevrolet | Malibu | Wagon | 5.0L | V8 | — | N/A | — |
| 1982 | Chevrolet | Malibu | Wagon | 4.4L | V8 | — | N/A | — |
| 1982 | Chevrolet | Malibu | Wagon | 4.3L | V6 | — | N/A | — |
| 1982 | Chevrolet | Malibu | Wagon | 3.8L | V6 | — | N/A | — |
| 1982 | Oldsmobile | Cutlass Cruiser | — | 5.7L | V8 | — | N/A | — |
| 1982 | Oldsmobile | Cutlass Cruiser | — | 5.0L | V8 | — | N/A | — |
| 1982 | Oldsmobile | Cutlass Cruiser | — | 4.4L | V8 | — | N/A | — |
| 1982 | Oldsmobile | Cutlass Cruiser | — | 4.3L | V8 | — | N/A | — |
| 1982 | Oldsmobile | Cutlass Cruiser | — | 3.8L | V6 | — | N/A | — |
| 1982 | Pontiac | Bonneville | Wagon | 5.7L | V8 | — | N/A | — |
| 1982 | Pontiac | Bonneville | Wagon | 4.1L | V6 | — | N/A | — |
| 1982 | Pontiac | Bonneville | Wagon | 3.8L | V6 | — | N/A | — |
| 1981 | Buick | Century | Wagon | 5.7L | V8 | DIESEL | N/A | — |
| 1981 | Buick | Century | Wagon | 4.4L | V8 | GAS | N/A | — |
| 1981 | Buick | Century | Wagon | 4.3L | V8 | GAS | N/A | — |
| 1981 | Buick | Century | Wagon | 3.8L | V6 | GAS | N/A | — |
| 1981 | Chevrolet | Malibu | Wagon | 5.7L | V8 | — | N/A | — |
| 1981 | Chevrolet | Malibu | Wagon | 5.0L | V8 | — | N/A | — |
| 1981 | Chevrolet | Malibu | Wagon | 4.4L | V8 | — | N/A | — |
| 1981 | Chevrolet | Malibu | Wagon | 3.8L | V6 | — | N/A | — |
| 1981 | Oldsmobile | Cutlass Cruiser | — | 5.7L | V8 | — | N/A | — |
| 1981 | Oldsmobile | Cutlass Cruiser | — | 5.0L | V8 | — | N/A | — |
| 1981 | Oldsmobile | Cutlass Cruiser | — | 4.3L | V8 | — | N/A | — |
| 1981 | Oldsmobile | Cutlass Cruiser | — | 3.8L | V6 | — | N/A | — |
| 1981 | Pontiac | Grand LeMans | Wagon | 4.9L | V8 | — | N/A | — |
| 1981 | Pontiac | Grand LeMans | Wagon | 4.3L | V8 | — | N/A | — |
| 1981 | Pontiac | Grand LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1981 | Pontiac | LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1981 | Pontiac | LeMans | Wagon | 4.9L | V8 | — | N/A | — |
| 1981 | Pontiac | LeMans | Wagon | 4.4L | V8 | — | N/A | — |
| 1981 | Pontiac | LeMans | Wagon | 4.3L | V8 | — | N/A | — |
| 1981 | Pontiac | LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1980 | Buick | Century | Wagon | 5.0L | V8 | — | N/A | — |
| 1980 | Buick | Century | Wagon | 4.9L | V8 | — | N/A | — |
| 1980 | Buick | Century | Wagon | 4.3L | V8 | — | N/A | — |
| 1980 | Buick | Century | Wagon | 3.8L | V6 | — | N/A | — |
| 1980 | Chevrolet | Malibu | Wagon | 5.7L | V8 | — | N/A | — |
| 1980 | Chevrolet | Malibu | Wagon | 5.0L | V8 | — | N/A | — |
| 1980 | Chevrolet | Malibu | Wagon | 4.4L | V8 | — | N/A | — |
| 1980 | Chevrolet | Malibu | Wagon | 3.8L | V6 | — | N/A | — |
| 1980 | Oldsmobile | Cutlass Cruiser | — | 5.7L | V8 | — | N/A | — |
| 1980 | Oldsmobile | Cutlass Cruiser | — | 5.0L | V8 | — | N/A | — |
| 1980 | Oldsmobile | Cutlass Cruiser | — | 4.3L | V8 | — | N/A | — |
| 1980 | Oldsmobile | Cutlass Cruiser | — | 3.8L | V6 | — | N/A | — |
| 1980 | Pontiac | Grand LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1980 | Pontiac | Grand LeMans | Wagon | 4.9L | V8 | — | N/A | — |
| 1980 | Pontiac | Grand LeMans | Wagon | 4.3L | V8 | — | N/A | — |
| 1980 | Pontiac | Grand LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1980 | Pontiac | LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1980 | Pontiac | LeMans | Wagon | 4.9L | V8 | — | N/A | — |
| 1980 | Pontiac | LeMans | Wagon | 4.4L | V8 | — | N/A | — |
| 1980 | Pontiac | LeMans | Wagon | 4.3L | V8 | — | N/A | — |
| 1980 | Pontiac | LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1979 | Buick | Century | Wagon | 5.7L | V8 | — | N/A | — |
| 1979 | Buick | Century | Wagon | 5.0L | V8 | — | N/A | — |
| 1979 | Buick | Century | Wagon | 4.9L | V8 | — | N/A | — |
| 1979 | Buick | Century | Wagon | 3.8L | V6 | — | N/A | — |
| 1979 | Buick | Century | Wagon | 3.2L | V6 | — | N/A | — |
| 1979 | Chevrolet | Malibu | Wagon | 5.7L | V8 | — | N/A | — |
| 1979 | Chevrolet | Malibu | Wagon | 5.0L | V8 | — | N/A | — |
| 1979 | Chevrolet | Malibu | Wagon | 4.4L | V8 | — | N/A | — |
| 1979 | Chevrolet | Malibu | Wagon | 3.8L | V6 | — | N/A | — |
| 1979 | Oldsmobile | Cutlass | — | 5.7L | V8 | — | N/A | — |
| 1979 | Oldsmobile | Cutlass | — | 5.0L | V8 | — | N/A | — |
| 1979 | Oldsmobile | Cutlass | — | 4.3L | V8 | — | N/A | — |
| 1979 | Oldsmobile | Cutlass | — | 3.8L | V6 | — | N/A | — |
| 1979 | Pontiac | Grand LeMans | Wagon | 5.7L | V8 | — | N/A | — |
| 1979 | Pontiac | Grand LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1979 | Pontiac | Grand LeMans | Wagon | 4.9L | V8 | — | N/A | — |
| 1979 | Pontiac | Grand LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1979 | Pontiac | LeMans | Wagon | 5.7L | V8 | — | N/A | — |
| 1979 | Pontiac | LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1979 | Pontiac | LeMans | Wagon | 4.9L | V8 | — | N/A | — |
| 1979 | Pontiac | LeMans | Wagon | 4.4L | V8 | — | N/A | — |
| 1979 | Pontiac | LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1979 | Pontiac | LeMans | Wagon | 3.3L | V6 | — | N/A | — |
| 1978 | Buick | Century | Wagon | 5.7L | V8 | — | N/A | — |
| 1978 | Buick | Century | Wagon | 5.0L | V8 | — | N/A | — |
| 1978 | Buick | Century | Wagon | 3.8L | V6 | — | N/A | — |
| 1978 | Buick | Century | Wagon | 3.2L | V6 | — | N/A | — |
| 1978 | Chevrolet | Malibu | Wagon | 5.7L | V8 | — | N/A | — |
| 1978 | Chevrolet | Malibu | Wagon | 5.0L | V8 | — | N/A | — |
| 1978 | Chevrolet | Malibu | Wagon | 3.8L | V6 | — | N/A | — |
| 1978 | Chevrolet | Malibu | Wagon | 3.3L | V6 | — | N/A | — |
| 1978 | Oldsmobile | Cutlass | — | 5.7L | V8 | — | N/A | — |
| 1978 | Oldsmobile | Cutlass | — | 5.0L | V8 | — | N/A | — |
| 1978 | Oldsmobile | Cutlass | — | 4.3L | V8 | — | N/A | — |
| 1978 | Oldsmobile | Cutlass | — | 3.8L | V6 | — | N/A | — |
| 1978 | Pontiac | Grand LeMans | Wagon | 5.7L | V8 | — | N/A | — |
| 1978 | Pontiac | Grand LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1978 | Pontiac | Grand LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| 1978 | Pontiac | LeMans | Wagon | 5.7L | V8 | — | N/A | — |
| 1978 | Pontiac | LeMans | Wagon | 5.0L | V8 | — | N/A | — |
| 1978 | Pontiac | LeMans | Wagon | 3.8L | V6 | — | N/A | — |
| No rows match your filter. | ||||||||
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
4040231IST66TNKST66