Spectra ST49 Fuel Tank Strap

Brand Spectra ST49
Fits Buick, Chevrolet, GMC, Oldsmobile, and Pontiac · 107 vehicles

OE direct replacement. Meets or exceeds original equipment performance.

Fuel tank strap. Built for secure fuel tank support.

Spectra Premium engineering. Backed by manufacturing technology and quality control.

Cross-references 578049, 4040131 and IST49 for the same application. See all 4.

$56.07Free shipping
In stock · usually ships same day before 1pm CST
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Spectra ST49 Fuel Tank Strap

The Spectra ST49 fuel tank strap is a direct replacement for select GM A-body and G-body applications that need secure fuel tank retention. Built for 1968-1972 Buick Skylark, Chevrolet El Camino, Oldsmobile Cutlass, Pontiac GTO, and related models, it supports a proper OE-style tank mount with galvanized steel construction.

  • Galvanized steel construction for standard replacement use
  • Engineered to meet or exceed original equipment performance
  • Direct-fit fuel tank strap for select classic GM applications
  • Fits 1968-1972 Buick Skylark, N/A
  • Fits 1968-1972 Chevrolet El Camino, N/A
  • Fits 1971-1972 Chevrolet Monte Carlo, N/A
  • Fits 1968-1972 Oldsmobile Cutlass, N/A
  • Fits 1971-1972 Oldsmobile Cutlass Supreme, N/A
  • Fits 1968-1972 Pontiac GTO, N/A
  • Fits 1968-1972 Pontiac LeMans, N/A
  • Fits 1969-1970 Pontiac Grand Prix, N/A
  • Fits 1968-1970 Pontiac Tempest, N/A

Use the Spectra ST49 when replacing a worn, rusted, or weakened fuel tank strap on classic Buick, Chevrolet, Oldsmobile, or Pontiac vehicles. This part cross-references 578049 and IST49 for the same application. The ST49 is built to restore secure tank support on vehicles such as the Chevrolet El Camino and Pontiac GTO while matching the original mounting style for the listed applications.

Common Problems This Part Helps Solve

  • Corroded or rusted fuel tank strap material
  • Loose fuel tank retention caused by strap fatigue
  • Tank movement from a weakened original strap
  • Replacement needs after underbody restoration work
  • Fitment issues when restoring OE-style fuel tank support

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 hardware for corrosion or damage before reusing existing components. Confirm the strap orientation and mounting location match the original configuration for your application.

Quality Assurance

Spectra Premium fuel tank straps are manufactured with engineering, production, and quality control processes intended to match OE replacement standards for the listed vehicles.

This part fits 107 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1972BuickSkylark5.7LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletEl Camino7.4LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletEl Camino6.6LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletEl Camino5.7LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletEl Camino5.0LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletEl Camino4.1LL6N/AGalvanized Steel (Standard Replacement)
1972ChevroletMonte Carlo7.4LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletMonte Carlo6.6LV8N/AGalvanized Steel (Standard Replacement)
1972ChevroletMonte Carlo5.7LV8N/AGalvanized Steel (Standard Replacement)
1972OldsmobileCutlass7.5LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1972OldsmobileCutlass5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1972OldsmobileCutlass Supreme7.5LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1972OldsmobileCutlass Supreme5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1972PontiacGTO7.5LV8N/AGalvanized Steel (Standard Replacement)
1972PontiacGTO6.6LV8N/AGalvanized Steel (Standard Replacement)
1972PontiacLeMans7.5LV8N/AGalvanized Steel (Standard Replacement)
1972PontiacLeMans6.6LV8N/AGalvanized Steel (Standard Replacement)
1972PontiacLeMans5.7LV8N/AGalvanized Steel (Standard Replacement)
1972PontiacLeMans4.1LL6N/AGalvanized Steel (Standard Replacement)
1971BuickSkylark7.5LV8N/AGalvanized Steel (Standard Replacement)
1971BuickSkylark5.7LV8N/AGalvanized Steel (Standard Replacement)
1971BuickSkylark4.1LL6N/AGalvanized Steel (Standard Replacement)
1971ChevroletEl Camino7.4LV8N/AGalvanized Steel (Standard Replacement)
1971ChevroletEl Camino6.6LV8N/AGalvanized Steel (Standard Replacement)
1971ChevroletEl Camino5.7LV8N/AGalvanized Steel (Standard Replacement)
1971ChevroletEl Camino5.0LV8N/AGalvanized Steel (Standard Replacement)
1971ChevroletEl Camino4.1LL6N/AGalvanized Steel (Standard Replacement)
1971ChevroletMonte Carlo7.4LV8N/AGalvanized Steel (Standard Replacement)
1971ChevroletMonte Carlo6.6LV8N/AGalvanized Steel (Standard Replacement)
1971ChevroletMonte Carlo5.7LV8N/AGalvanized Steel (Standard Replacement)
1971OldsmobileCutlass7.5LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1971OldsmobileCutlass5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1971OldsmobileCutlass4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1971OldsmobileCutlass Supreme7.5LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1971OldsmobileCutlass Supreme5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1971PontiacGTO7.5LV8N/AGalvanized Steel (Standard Replacement)
1971PontiacGTO6.6LV8N/AGalvanized Steel (Standard Replacement)
1971PontiacLeMans7.5LV8N/AGalvanized Steel (Standard Replacement)
1971PontiacLeMans6.6LV8N/AGalvanized Steel (Standard Replacement)
1971PontiacLeMans5.7LV8N/AGalvanized Steel (Standard Replacement)
1971PontiacLeMans4.1LL6N/AGalvanized Steel (Standard Replacement)
1970BuickSkylark7.5LV8N/AGalvanized Steel (Standard Replacement)
1970BuickSkylark5.7LV8N/AGalvanized Steel (Standard Replacement)
1970BuickSkylark4.1LL6N/AGalvanized Steel (Standard Replacement)
1970ChevroletEl Camino7.4LV8N/AGalvanized Steel (Standard Replacement)
1970ChevroletEl Camino6.6LV8N/AGalvanized Steel (Standard Replacement)
1970ChevroletEl Camino6.5LV8N/AGalvanized Steel (Standard Replacement)
1970ChevroletEl Camino5.7LV8N/AGalvanized Steel (Standard Replacement)
1970ChevroletEl Camino5.0LV8N/AGalvanized Steel (Standard Replacement)
1970ChevroletEl Camino4.1LL6N/AGalvanized Steel (Standard Replacement)
1970ChevroletMonte Carlo7.4LV8N/A—
1970ChevroletMonte Carlo6.6LV8N/A—
1970ChevroletMonte Carlo5.7LV8N/A—
1970OldsmobileCutlass7.5LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970OldsmobileCutlass5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970OldsmobileCutlass4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970PontiacGrand Prix7.5LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970PontiacGrand Prix6.6LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970PontiacGTO7.5LV8N/AGalvanized Steel (Standard Replacement)
1970PontiacGTO6.6LV8N/AGalvanized Steel (Standard Replacement)
1970PontiacLeMans7.5LV8N/AGalvanized Steel (Standard Replacement)
1970PontiacLeMans6.6LV8N/AGalvanized Steel (Standard Replacement)
1970PontiacLeMans5.7LV8N/AGalvanized Steel (Standard Replacement)
1970PontiacLeMans4.1LL6N/AGalvanized Steel (Standard Replacement)
1970PontiacTempest6.6LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970PontiacTempest5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970PontiacTempest4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1970PontiacTempest-L--N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969BuickSkylark5.7LV8N/AGalvanized Steel (Standard Replacement)
1969BuickSkylark4.1LL6N/AGalvanized Steel (Standard Replacement)
1969ChevroletEl Camino6.5LV8N/AGalvanized Steel (Standard Replacement)
1969ChevroletEl Camino5.7LV8N/AGalvanized Steel (Standard Replacement)
1969ChevroletEl Camino5.3LV8N/AGalvanized Steel (Standard Replacement)
1969ChevroletEl Camino5.0LV8N/AGalvanized Steel (Standard Replacement)
1969ChevroletEl Camino4.1LL6N/AGalvanized Steel (Standard Replacement)
1969ChevroletEl Camino3.8LL6N/AGalvanized Steel (Standard Replacement)
1969OldsmobileCutlass5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969OldsmobileCutlass4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969PontiacGrand Prix7.0LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969PontiacGrand Prix6.6LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969PontiacGTO6.6LV8N/AGalvanized Steel (Standard Replacement)
1969PontiacLeMans6.6LV8N/AGalvanized Steel (Standard Replacement)
1969PontiacLeMans5.7LV8N/AGalvanized Steel (Standard Replacement)
1969PontiacLeMans4.1LL6N/AGalvanized Steel (Standard Replacement)
1969PontiacTempest6.6LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969PontiacTempest5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1969PontiacTempest4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1968BuickSkylark6.6LV8N/AGalvanized Steel (Standard Replacement)
1968BuickSkylark5.7LV8N/AGalvanized Steel (Standard Replacement)
1968BuickSkylark4.1LL6N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino6.5LV8N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino5.7LV8N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino5.4LV8N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino5.3LV8N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino5.0LV8N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino4.1LL6N/AGalvanized Steel (Standard Replacement)
1968ChevroletEl Camino3.8LL6N/AGalvanized Steel (Standard Replacement)
1968OldsmobileCutlass6.6LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1968OldsmobileCutlass5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1968OldsmobileCutlass4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1968PontiacGTO6.6LV8N/AGalvanized Steel (Standard Replacement)
1968PontiacLeMans6.6LV8N/AGalvanized Steel (Standard Replacement)
1968PontiacLeMans5.7LV8N/AGalvanized Steel (Standard Replacement)
1968PontiacLeMans4.1LL6N/AGalvanized Steel (Standard Replacement)
1968PontiacTempest6.6LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1968PontiacTempest5.7LV8N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
1968PontiacTempest4.1LL6N/AGalvanized Steel (Standard Replacement); Cover Body Type: Sedan; Coupe
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5780494040131IST49TNKST49